./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan --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 e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 ............................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan --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 e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 11:11:35,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:11:35,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:11:35,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:11:35,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:11:35,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:11:35,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:11:35,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:11:35,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:11:35,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:11:35,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:11:35,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:11:35,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:11:35,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:11:35,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:11:35,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:11:35,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:11:35,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:11:35,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:11:35,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:11:35,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:11:35,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:11:35,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:11:35,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:11:35,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:11:35,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:11:35,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:11:35,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:11:35,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:11:35,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:11:35,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:11:35,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:11:35,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:11:35,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:11:35,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:11:35,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:11:35,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:11:35,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:11:35,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:11:35,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:11:35,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:11:35,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 11:11:35,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:11:35,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:11:35,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:11:35,498 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:11:35,498 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:11:35,498 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:11:35,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 11:11:35,499 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:11:35,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:11:35,499 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 11:11:35,499 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 11:11:35,499 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:11:35,499 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 11:11:35,500 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 11:11:35,500 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 11:11:35,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:11:35,500 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:11:35,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:11:35,501 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:11:35,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:11:35,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:11:35,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:11:35,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:11:35,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:11:35,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:11:35,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:11:35,502 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 11:11:35,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 11:11:35,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:11:35,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:11:35,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:11:35,503 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-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 [2020-12-09 11:11:35,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:11:35,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:11:35,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:11:35,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:11:35,694 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:11:35,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2020-12-09 11:11:35,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data/1df5b5779/a826df716af74c6387accfd38544d95f/FLAG758388a62 [2020-12-09 11:11:36,113 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:11:36,113 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2020-12-09 11:11:36,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data/1df5b5779/a826df716af74c6387accfd38544d95f/FLAG758388a62 [2020-12-09 11:11:36,131 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data/1df5b5779/a826df716af74c6387accfd38544d95f [2020-12-09 11:11:36,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:11:36,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:11:36,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:11:36,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:11:36,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:11:36,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:11:36" (1/1) ... [2020-12-09 11:11:36,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f6183a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:36, skipping insertion in model container [2020-12-09 11:11:36,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:11:36" (1/1) ... [2020-12-09 11:11:36,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:11:36,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:11:36,347 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:358) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1972) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1601) 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) [2020-12-09 11:11:36,351 INFO L168 Benchmark]: Toolchain (without parser) took 210.68 ms. Allocated memory is still 88.1 MB. Free memory was 68.5 MB in the beginning and 64.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:11:36,352 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 88.1 MB. Free memory was 66.8 MB in the beginning and 66.7 MB in the end (delta: 60.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:11:36,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.69 ms. Allocated memory is still 88.1 MB. Free memory was 68.2 MB in the beginning and 64.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:11:36,354 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 88.1 MB. Free memory was 66.8 MB in the beginning and 66.7 MB in the end (delta: 60.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 208.69 ms. Allocated memory is still 88.1 MB. Free memory was 68.2 MB in the beginning and 64.1 MB in the end (delta: 4.2 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: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 11:11:37,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:11:37,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:11:37,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:11:37,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:11:37,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:11:37,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:11:37,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:11:37,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:11:37,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:11:37,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:11:37,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:11:37,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:11:37,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:11:37,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:11:37,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:11:37,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:11:37,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:11:37,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:11:37,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:11:37,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:11:37,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:11:37,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:11:37,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:11:37,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:11:37,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:11:37,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:11:37,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:11:37,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:11:37,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:11:37,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:11:37,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:11:37,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:11:37,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:11:37,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:11:37,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:11:37,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:11:37,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:11:37,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:11:37,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:11:37,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:11:37,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 11:11:37,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:11:37,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:11:37,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:11:37,699 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:11:37,699 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:11:37,700 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:11:37,700 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:11:37,700 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:11:37,700 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:11:37,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:11:37,701 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:11:37,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:11:37,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:11:37,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:11:37,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:11:37,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:11:37,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:11:37,701 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 11:11:37,702 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 11:11:37,702 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:11:37,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:11:37,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:11:37,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:11:37,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:11:37,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 11:11:37,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:11:37,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:11:37,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:11:37,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:11:37,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:11:37,707 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 11:11:37,707 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 11:11:37,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:11:37,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:11:37,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:11:37,708 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 [2020-12-09 11:11:37,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:11:37,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:11:37,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:11:37,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:11:37,979 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:11:37,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2020-12-09 11:11:38,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data/36681621a/89cccb49364e4396b042e356b9dfa604/FLAGd8c5ccd88 [2020-12-09 11:11:38,432 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:11:38,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2020-12-09 11:11:38,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data/36681621a/89cccb49364e4396b042e356b9dfa604/FLAGd8c5ccd88 [2020-12-09 11:11:38,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/data/36681621a/89cccb49364e4396b042e356b9dfa604 [2020-12-09 11:11:38,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:11:38,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:11:38,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:11:38,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:11:38,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:11:38,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e95b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38, skipping insertion in model container [2020-12-09 11:11:38,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:11:38,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:11:38,704 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c[13947,13960] [2020-12-09 11:11:38,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:11:38,721 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 11:11:38,811 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c[13947,13960] [2020-12-09 11:11:38,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:11:38,836 INFO L208 MainTranslator]: Completed translation [2020-12-09 11:11:38,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38 WrapperNode [2020-12-09 11:11:38,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:11:38,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 11:11:38,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 11:11:38,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 11:11:38,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 11:11:38,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 11:11:38,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 11:11:38,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 11:11:38,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... [2020-12-09 11:11:38,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 11:11:39,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 11:11:39,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 11:11:39,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 11:11:39,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:11:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-09 11:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-09 11:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 11:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 11:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-09 11:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 11:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 11:11:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 11:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 11:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 11:12:58,284 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 11:12:58,285 INFO L299 CfgBuilder]: Removed 88 assume(true) statements. [2020-12-09 11:12:58,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:12:58 BoogieIcfgContainer [2020-12-09 11:12:58,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 11:12:58,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 11:12:58,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 11:12:58,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 11:12:58,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:11:38" (1/3) ... [2020-12-09 11:12:58,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfe1b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:12:58, skipping insertion in model container [2020-12-09 11:12:58,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:38" (2/3) ... [2020-12-09 11:12:58,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfe1b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:12:58, skipping insertion in model container [2020-12-09 11:12:58,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:12:58" (3/3) ... [2020-12-09 11:12:58,293 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0873b.c [2020-12-09 11:12:58,303 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 11:12:58,305 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 11:12:58,312 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 11:12:58,329 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 11:12:58,329 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 11:12:58,329 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 11:12:58,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 11:12:58,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 11:12:58,330 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 11:12:58,330 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 11:12:58,330 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 11:12:58,343 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2020-12-09 11:12:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 11:12:58,348 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:12:58,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:12:58,349 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:12:58,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:12:58,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1640331358, now seen corresponding path program 1 times [2020-12-09 11:12:58,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:12:58,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459445473] [2020-12-09 11:12:58,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 11:12:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:12:58,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 11:12:58,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:12:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:12:58,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:12:58,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459445473] [2020-12-09 11:12:58,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:12:58,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 11:12:58,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819048414] [2020-12-09 11:12:58,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 11:12:58,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:12:58,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 11:12:58,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:12:58,662 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 2 states. [2020-12-09 11:12:58,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:12:58,695 INFO L93 Difference]: Finished difference Result 418 states and 716 transitions. [2020-12-09 11:12:58,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 11:12:58,696 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-09 11:12:58,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:12:58,705 INFO L225 Difference]: With dead ends: 418 [2020-12-09 11:12:58,705 INFO L226 Difference]: Without dead ends: 207 [2020-12-09 11:12:58,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:12:58,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-12-09 11:12:58,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-12-09 11:12:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-09 11:12:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2020-12-09 11:12:58,750 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 9 [2020-12-09 11:12:58,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:12:58,750 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2020-12-09 11:12:58,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 11:12:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2020-12-09 11:12:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 11:12:58,751 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:12:58,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:12:58,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 11:12:58,952 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:12:58,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:12:58,953 INFO L82 PathProgramCache]: Analyzing trace with hash 559153733, now seen corresponding path program 1 times [2020-12-09 11:12:58,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:12:58,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208695711] [2020-12-09 11:12:58,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 11:12:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:12:59,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 11:12:59,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:12:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:12:59,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:12:59,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208695711] [2020-12-09 11:12:59,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:12:59,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 11:12:59,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553750455] [2020-12-09 11:12:59,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 11:12:59,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:12:59,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 11:12:59,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 11:12:59,807 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand 5 states. [2020-12-09 11:13:00,193 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 11:13:00,556 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-09 11:13:12,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:13:12,787 INFO L93 Difference]: Finished difference Result 332 states and 449 transitions. [2020-12-09 11:13:12,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 11:13:12,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-09 11:13:12,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:13:12,905 INFO L225 Difference]: With dead ends: 332 [2020-12-09 11:13:12,906 INFO L226 Difference]: Without dead ends: 137 [2020-12-09 11:13:12,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 11:13:12,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-09 11:13:12,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2020-12-09 11:13:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-09 11:13:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 166 transitions. [2020-12-09 11:13:12,919 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 166 transitions. Word has length 11 [2020-12-09 11:13:12,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:13:12,919 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 166 transitions. [2020-12-09 11:13:12,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 11:13:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 166 transitions. [2020-12-09 11:13:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 11:13:12,920 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:13:12,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:13:13,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 11:13:13,122 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:13:13,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:13:13,124 INFO L82 PathProgramCache]: Analyzing trace with hash -305805344, now seen corresponding path program 1 times [2020-12-09 11:13:13,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:13:13,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444997555] [2020-12-09 11:13:13,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 11:13:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:13:13,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 11:13:13,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:13:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:13:13,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:13:13,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444997555] [2020-12-09 11:13:13,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:13:13,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 11:13:13,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124330144] [2020-12-09 11:13:13,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 11:13:13,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:13:13,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 11:13:13,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 11:13:13,884 INFO L87 Difference]: Start difference. First operand 133 states and 166 transitions. Second operand 5 states. [2020-12-09 11:13:14,364 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 11:13:14,712 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-09 11:15:04,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:15:04,604 INFO L93 Difference]: Finished difference Result 141 states and 172 transitions. [2020-12-09 11:15:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 11:15:04,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-09 11:15:04,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:15:04,638 INFO L225 Difference]: With dead ends: 141 [2020-12-09 11:15:04,638 INFO L226 Difference]: Without dead ends: 137 [2020-12-09 11:15:04,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 11:15:04,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-09 11:15:04,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2020-12-09 11:15:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-09 11:15:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 164 transitions. [2020-12-09 11:15:04,647 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 164 transitions. Word has length 13 [2020-12-09 11:15:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:15:04,647 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 164 transitions. [2020-12-09 11:15:04,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 11:15:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2020-12-09 11:15:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 11:15:04,648 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:15:04,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:15:04,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 11:15:04,850 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:15:04,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:15:04,851 INFO L82 PathProgramCache]: Analyzing trace with hash -305745762, now seen corresponding path program 1 times [2020-12-09 11:15:04,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:15:04,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254126788] [2020-12-09 11:15:04,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 11:15:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:15:05,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-09 11:15:05,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:15:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 11:15:05,677 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-09 11:15:05,680 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 11:15:06,135 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 11:15:06,135 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:06,144 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-09 11:15:06,145 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:52, output treesize:52 [2020-12-09 11:15:06,682 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 11:15:06,683 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:06,683 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 44 [2020-12-09 11:15:06,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 11:15:06,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 11:15:06,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 11:15:06,730 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_2], 2=[v_arrayElimCell_1]} [2020-12-09 11:15:07,342 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 11:15:07,343 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:07,344 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 44 [2020-12-09 11:15:07,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 11:15:07,348 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 11:15:07,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 11:15:07,383 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 2=[v_arrayElimCell_3]} [2020-12-09 11:15:07,663 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 11:15:07,664 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:07,664 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 46 [2020-12-09 11:15:07,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 11:15:07,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 11:15:07,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 11:15:07,698 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_6], 2=[v_arrayElimCell_5]} [2020-12-09 11:15:08,367 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 11:15:08,367 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:08,368 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 46 [2020-12-09 11:15:08,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 11:15:08,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 11:15:08,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 11:15:08,407 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_8], 2=[v_arrayElimCell_7]} [2020-12-09 11:15:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:15:08,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:15:08,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254126788] [2020-12-09 11:15:08,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:15:08,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 11:15:08,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453074283] [2020-12-09 11:15:08,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 11:15:08,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:15:08,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 11:15:08,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 11:15:08,470 INFO L87 Difference]: Start difference. First operand 133 states and 164 transitions. Second operand 6 states. [2020-12-09 11:15:09,085 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-09 11:15:09,775 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-09 11:15:10,391 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-09 11:15:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:15:11,229 INFO L93 Difference]: Finished difference Result 136 states and 168 transitions. [2020-12-09 11:15:11,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 11:15:11,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-09 11:15:11,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:15:11,231 INFO L225 Difference]: With dead ends: 136 [2020-12-09 11:15:11,231 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 11:15:11,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-12-09 11:15:11,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 11:15:11,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 11:15:11,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 11:15:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 11:15:11,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-09 11:15:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:15:11,233 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 11:15:11,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 11:15:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 11:15:11,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 11:15:11,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 11:15:11,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 11:15:12,113 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2020-12-09 11:15:12,336 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 11:15:13,099 INFO L262 CegarLoopResult]: For program point L366(lines 366 367) no Hoare annotation was computed. [2020-12-09 11:15:13,099 INFO L262 CegarLoopResult]: For program point L168(lines 168 169) no Hoare annotation was computed. [2020-12-09 11:15:13,099 INFO L262 CegarLoopResult]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2020-12-09 11:15:13,099 INFO L262 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-12-09 11:15:13,099 INFO L262 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-12-09 11:15:13,100 INFO L262 CegarLoopResult]: For program point L367-2(line 367) no Hoare annotation was computed. [2020-12-09 11:15:13,100 INFO L262 CegarLoopResult]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2020-12-09 11:15:13,100 INFO L258 CegarLoopResult]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2020-12-09 11:15:13,100 INFO L258 CegarLoopResult]: At program point L37(lines 19 38) the Hoare annotation is: false [2020-12-09 11:15:13,100 INFO L262 CegarLoopResult]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2020-12-09 11:15:13,100 INFO L258 CegarLoopResult]: At program point L37-1(lines 19 38) the Hoare annotation is: false [2020-12-09 11:15:13,101 INFO L258 CegarLoopResult]: At program point L37-2(lines 19 38) the Hoare annotation is: false [2020-12-09 11:15:13,101 INFO L262 CegarLoopResult]: For program point L500(lines 500 501) no Hoare annotation was computed. [2020-12-09 11:15:13,101 INFO L262 CegarLoopResult]: For program point L303(lines 303 304) no Hoare annotation was computed. [2020-12-09 11:15:13,101 INFO L262 CegarLoopResult]: For program point L503(lines 503 510) no Hoare annotation was computed. [2020-12-09 11:15:13,101 INFO L262 CegarLoopResult]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2020-12-09 11:15:13,101 INFO L262 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2020-12-09 11:15:13,101 INFO L262 CegarLoopResult]: For program point L504(lines 504 509) no Hoare annotation was computed. [2020-12-09 11:15:13,101 INFO L262 CegarLoopResult]: For program point L307(lines 307 308) no Hoare annotation was computed. [2020-12-09 11:15:13,102 INFO L262 CegarLoopResult]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2020-12-09 11:15:13,102 INFO L258 CegarLoopResult]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2020-12-09 11:15:13,102 INFO L262 CegarLoopResult]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2020-12-09 11:15:13,102 INFO L262 CegarLoopResult]: For program point L507(lines 507 508) no Hoare annotation was computed. [2020-12-09 11:15:13,102 INFO L262 CegarLoopResult]: For program point L178(lines 178 192) no Hoare annotation was computed. [2020-12-09 11:15:13,102 INFO L262 CegarLoopResult]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2020-12-09 11:15:13,102 INFO L258 CegarLoopResult]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2020-12-09 11:15:13,102 INFO L262 CegarLoopResult]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2020-12-09 11:15:13,102 INFO L262 CegarLoopResult]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L258 CegarLoopResult]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L180(lines 180 191) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L114(lines 114 119) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L577(lines 577 580) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L313(lines 313 334) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L115(lines 115 118) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-12-09 11:15:13,103 INFO L262 CegarLoopResult]: For program point L314(lines 314 321) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L182(lines 182 190) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L315(lines 315 320) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L515(lines 515 529) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L317(lines 317 320) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L185(lines 185 190) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L53(lines 53 65) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L262 CegarLoopResult]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2020-12-09 11:15:13,104 INFO L265 CegarLoopResult]: At program point L582(lines 564 583) the Hoare annotation is: true [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L318-2(line 318) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L186(lines 186 187) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L385(lines 385 393) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L320-2(line 320) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L122(lines 122 133) no Hoare annotation was computed. [2020-12-09 11:15:13,105 INFO L262 CegarLoopResult]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2020-12-09 11:15:13,106 INFO L262 CegarLoopResult]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2020-12-09 11:15:13,106 INFO L258 CegarLoopResult]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2020-12-09 11:15:13,106 INFO L262 CegarLoopResult]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2020-12-09 11:15:13,106 INFO L258 CegarLoopResult]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2020-12-09 11:15:13,106 INFO L262 CegarLoopResult]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2020-12-09 11:15:13,106 INFO L262 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-12-09 11:15:13,106 INFO L258 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-12-09 11:15:13,106 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-12-09 11:15:13,106 INFO L262 CegarLoopResult]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2020-12-09 11:15:13,106 INFO L262 CegarLoopResult]: For program point L322(lines 322 327) no Hoare annotation was computed. [2020-12-09 11:15:13,107 INFO L258 CegarLoopResult]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2020-12-09 11:15:13,107 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 11:15:13,107 INFO L262 CegarLoopResult]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2020-12-09 11:15:13,107 INFO L258 CegarLoopResult]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2020-12-09 11:15:13,107 INFO L262 CegarLoopResult]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2020-12-09 11:15:13,107 INFO L262 CegarLoopResult]: For program point L323(lines 323 326) no Hoare annotation was computed. [2020-12-09 11:15:13,107 INFO L262 CegarLoopResult]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2020-12-09 11:15:13,107 INFO L258 CegarLoopResult]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2020-12-09 11:15:13,107 INFO L262 CegarLoopResult]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2020-12-09 11:15:13,107 INFO L262 CegarLoopResult]: For program point L195(lines 195 196) no Hoare annotation was computed. [2020-12-09 11:15:13,107 INFO L262 CegarLoopResult]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L63(lines 63 64) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L526(lines 526 527) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L328(lines 328 329) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2020-12-09 11:15:13,108 INFO L262 CegarLoopResult]: For program point L331(lines 331 332) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L398(lines 398 406) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L258 CegarLoopResult]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L69(lines 69 70) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L136(lines 136 139) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L258 CegarLoopResult]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2020-12-09 11:15:13,109 INFO L262 CegarLoopResult]: For program point L71(lines 71 79) no Hoare annotation was computed. [2020-12-09 11:15:13,110 INFO L262 CegarLoopResult]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2020-12-09 11:15:13,110 INFO L258 CegarLoopResult]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= ULTIMATE.start___ieee754_pow_~y (fp.div currentRoundingMode .cse0 (_ +zero 11 53))) (= .cse0 ULTIMATE.start___ieee754_pow_~x))))) [2020-12-09 11:15:13,110 INFO L258 CegarLoopResult]: At program point L204(lines 97 205) the Hoare annotation is: false [2020-12-09 11:15:13,110 INFO L262 CegarLoopResult]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2020-12-09 11:15:13,110 INFO L258 CegarLoopResult]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2020-12-09 11:15:13,110 INFO L262 CegarLoopResult]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2020-12-09 11:15:13,110 INFO L262 CegarLoopResult]: For program point L338(lines 338 351) no Hoare annotation was computed. [2020-12-09 11:15:13,110 INFO L262 CegarLoopResult]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2020-12-09 11:15:13,110 INFO L262 CegarLoopResult]: For program point L339(lines 339 350) no Hoare annotation was computed. [2020-12-09 11:15:13,110 INFO L262 CegarLoopResult]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2020-12-09 11:15:13,110 INFO L258 CegarLoopResult]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L407(lines 407 412) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L407-1(lines 381 474) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L341(lines 341 342) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L276(lines 276 281) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L276-1(lines 263 562) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L343(lines 343 348) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L344(lines 344 347) no Hoare annotation was computed. [2020-12-09 11:15:13,111 INFO L262 CegarLoopResult]: For program point L80(lines 80 85) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L477(lines 477 478) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L213(lines 213 218) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L213-1(lines 206 220) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L258 CegarLoopResult]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L81(lines 81 84) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L346(lines 346 347) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L149(lines 149 153) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2020-12-09 11:15:13,112 INFO L262 CegarLoopResult]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2020-12-09 11:15:13,113 INFO L258 CegarLoopResult]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2020-12-09 11:15:13,113 INFO L262 CegarLoopResult]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2020-12-09 11:15:13,113 INFO L262 CegarLoopResult]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2020-12-09 11:15:13,113 INFO L258 CegarLoopResult]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2020-12-09 11:15:13,113 INFO L262 CegarLoopResult]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2020-12-09 11:15:13,113 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 11:15:13,113 INFO L262 CegarLoopResult]: For program point L285(lines 285 286) no Hoare annotation was computed. [2020-12-09 11:15:13,113 INFO L258 CegarLoopResult]: At program point L219(lines 206 220) the Hoare annotation is: false [2020-12-09 11:15:13,113 INFO L262 CegarLoopResult]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2020-12-09 11:15:13,113 INFO L258 CegarLoopResult]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2020-12-09 11:15:13,113 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-09 11:15:13,113 INFO L262 CegarLoopResult]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L258 CegarLoopResult]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L258 CegarLoopResult]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L552(lines 552 560) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L288(lines 288 294) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L356(lines 356 474) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L290(lines 290 293) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2020-12-09 11:15:13,114 INFO L262 CegarLoopResult]: For program point L26-1(lines 19 38) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L26-4(lines 19 38) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L26-6(lines 26 30) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L26-7(lines 19 38) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L258 CegarLoopResult]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L357(lines 357 362) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L258 CegarLoopResult]: At program point L93(lines 44 94) the Hoare annotation is: false [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L258 CegarLoopResult]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L262 CegarLoopResult]: For program point L358(lines 358 359) no Hoare annotation was computed. [2020-12-09 11:15:13,115 INFO L258 CegarLoopResult]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L359-2(line 359) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L360(lines 360 361) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L258 CegarLoopResult]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L361-2(line 361) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L163(lines 163 172) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L31(lines 31 36) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L31-1(lines 19 38) no Hoare annotation was computed. [2020-12-09 11:15:13,116 INFO L262 CegarLoopResult]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L31-3(lines 31 36) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L31-4(lines 19 38) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L31-5(lines 31 36) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L31-6(lines 31 36) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L31-7(lines 19 38) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L31-8(lines 31 36) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L296(lines 296 311) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L258 CegarLoopResult]: At program point L561(lines 263 562) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= ~one_pow~0 .cse0) (= |ULTIMATE.start___ieee754_pow_#res| .cse0))) [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L297(lines 297 310) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L165(lines 165 166) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L497(lines 497 502) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-12-09 11:15:13,117 INFO L262 CegarLoopResult]: For program point L299(lines 299 310) no Hoare annotation was computed. [2020-12-09 11:15:13,118 INFO L262 CegarLoopResult]: For program point L365-2(line 365) no Hoare annotation was computed. [2020-12-09 11:15:13,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:15:13 BoogieIcfgContainer [2020-12-09 11:15:13,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 11:15:13,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 11:15:13,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 11:15:13,134 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 11:15:13,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:12:58" (3/4) ... [2020-12-09 11:15:13,137 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 11:15:13,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 11:15:13,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 11:15:13,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 11:15:13,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 11:15:13,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) [2020-12-09 11:15:13,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4bedcfb7-8038-4151-9172-dac5398c08a2/bin/utaipan/witness.graphml [2020-12-09 11:15:13,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 11:15:13,219 INFO L168 Benchmark]: Toolchain (without parser) took 214764.65 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.0 MB in the beginning and 37.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:13,219 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:15:13,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.36 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.7 MB in the beginning and 41.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:13,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.88 ms. Allocated memory is still 71.3 MB. Free memory was 41.3 MB in the beginning and 52.9 MB in the end (delta: -11.6 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:13,220 INFO L168 Benchmark]: Boogie Preprocessor took 82.27 ms. Allocated memory is still 71.3 MB. Free memory was 52.9 MB in the beginning and 47.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:13,220 INFO L168 Benchmark]: RCFGBuilder took 79286.53 ms. Allocated memory is still 71.3 MB. Free memory was 47.9 MB in the beginning and 45.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:13,221 INFO L168 Benchmark]: TraceAbstraction took 134846.09 ms. Allocated memory is still 71.3 MB. Free memory was 45.1 MB in the beginning and 29.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:13,221 INFO L168 Benchmark]: Witness Printer took 84.38 ms. Allocated memory is still 71.3 MB. Free memory was 29.2 MB in the beginning and 37.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:13,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 381.36 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.7 MB in the beginning and 41.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.88 ms. Allocated memory is still 71.3 MB. Free memory was 41.3 MB in the beginning and 52.9 MB in the end (delta: -11.6 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.27 ms. Allocated memory is still 71.3 MB. Free memory was 52.9 MB in the beginning and 47.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 79286.53 ms. Allocated memory is still 71.3 MB. Free memory was 47.9 MB in the beginning and 45.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 134846.09 ms. Allocated memory is still 71.3 MB. Free memory was 45.1 MB in the beginning and 29.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * Witness Printer took 84.38 ms. Allocated memory is still 71.3 MB. Free memory was 29.2 MB in the beginning and 37.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant [2020-12-09 11:15:13,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 11:15:13,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 133.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 126.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 594 SDtfs, 253 SDslu, 657 SDs, 0 SdLazy, 94 SolverSat, 16 SolverUnsat, 48 SolverUnknown, 0 SolverNotchecked, 120.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 36 PreInvPairs, 39 NumberOfFragments, 68 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 13 QuantifiedInterpolants, 7102 SizeOfPredicates, 26 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...