./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P --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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:33:05,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:33:05,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:33:05,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:33:05,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:33:05,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:33:05,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:33:05,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:33:05,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:33:05,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:33:05,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:33:05,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:33:05,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:33:05,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:33:05,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:33:05,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:33:05,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:33:05,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:33:05,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:33:05,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:33:05,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:33:05,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:33:05,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:33:05,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:33:05,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:33:05,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:33:05,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:33:05,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:33:05,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:33:05,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:33:05,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:33:05,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:33:05,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:33:05,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:33:05,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:33:05,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:33:05,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:33:05,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:33:05,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:33:05,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:33:05,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:33:05,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:33:06,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:33:06,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:33:06,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:33:06,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:33:06,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:33:06,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:33:06,021 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:33:06,021 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:33:06,021 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:33:06,022 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:33:06,023 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:33:06,023 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:33:06,023 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:33:06,024 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:33:06,024 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:33:06,024 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:33:06,025 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:33:06,025 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:33:06,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:33:06,026 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:33:06,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:33:06,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:33:06,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:33:06,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:33:06,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:33:06,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:33:06,028 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:33:06,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:33:06,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:33:06,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:33:06,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:33:06,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:33:06,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:33:06,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:33:06,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:33:06,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:33:06,031 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:33:06,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:33:06,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:33:06,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:33:06,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:33:06,033 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2021-11-21 00:33:06,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:33:06,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:33:06,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:33:06,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:33:06,405 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:33:06,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-11-21 00:33:06,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data/94ed7f0e6/47207f15424143a1a35a2f9f33a199b1/FLAGd0d1ca1d9 [2021-11-21 00:33:07,009 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:33:07,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-11-21 00:33:07,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data/94ed7f0e6/47207f15424143a1a35a2f9f33a199b1/FLAGd0d1ca1d9 [2021-11-21 00:33:07,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data/94ed7f0e6/47207f15424143a1a35a2f9f33a199b1 [2021-11-21 00:33:07,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:33:07,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:33:07,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:33:07,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:33:07,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:33:07,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ca14d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07, skipping insertion in model container [2021-11-21 00:33:07,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:33:07,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:33:07,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-11-21 00:33:07,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-11-21 00:33:07,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-11-21 00:33:07,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-11-21 00:33:07,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:33:07,754 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:33:07,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-11-21 00:33:07,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-11-21 00:33:07,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-11-21 00:33:07,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-11-21 00:33:07,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:33:07,798 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:33:07,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07 WrapperNode [2021-11-21 00:33:07,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:33:07,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:33:07,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:33:07,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:33:07,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,841 INFO L137 Inliner]: procedures = 21, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2021-11-21 00:33:07,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:33:07,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:33:07,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:33:07,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:33:07,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:33:07,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:33:07,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:33:07,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:33:07,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (1/1) ... [2021-11-21 00:33:07,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:33:07,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:33:07,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:33:07,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:33:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:33:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2021-11-21 00:33:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2021-11-21 00:33:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:33:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:33:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-21 00:33:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:33:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-21 00:33:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2021-11-21 00:33:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2021-11-21 00:33:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:33:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:33:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:33:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:33:08,102 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:33:08,104 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:33:08,465 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:33:08,503 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:33:08,503 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 00:33:08,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:33:08 BoogieIcfgContainer [2021-11-21 00:33:08,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:33:08,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:33:08,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:33:08,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:33:08,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:33:07" (1/3) ... [2021-11-21 00:33:08,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59824b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:33:08, skipping insertion in model container [2021-11-21 00:33:08,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:07" (2/3) ... [2021-11-21 00:33:08,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59824b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:33:08, skipping insertion in model container [2021-11-21 00:33:08,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:33:08" (3/3) ... [2021-11-21 00:33:08,523 INFO L111 eAbstractionObserver]: Analyzing ICFG float22.i [2021-11-21 00:33:08,528 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:33:08,529 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-21 00:33:08,591 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:33:08,599 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:33:08,599 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-21 00:33:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 states have internal predecessors, (30), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:33:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 00:33:08,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:33:08,627 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:33:08,628 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:33:08,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:33:08,634 INFO L85 PathProgramCache]: Analyzing trace with hash -682083065, now seen corresponding path program 1 times [2021-11-21 00:33:08,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:33:08,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74151383] [2021-11-21 00:33:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:33:08,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:33:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 00:33:08,893 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 00:33:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 00:33:09,022 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 00:33:09,026 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 00:33:09,027 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-21 00:33:09,029 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-11-21 00:33:09,030 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-11-21 00:33:09,030 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-11-21 00:33:09,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:33:09,036 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-21 00:33:09,040 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 00:33:09,048 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2021-11-21 00:33:09,049 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2021-11-21 00:33:09,050 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2021-11-21 00:33:09,050 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2021-11-21 00:33:09,050 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2021-11-21 00:33:09,050 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2021-11-21 00:33:09,051 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2021-11-21 00:33:09,051 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2021-11-21 00:33:09,051 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2021-11-21 00:33:09,052 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2021-11-21 00:33:09,052 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2021-11-21 00:33:09,053 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2021-11-21 00:33:09,053 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2021-11-21 00:33:09,054 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2021-11-21 00:33:09,055 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2021-11-21 00:33:09,055 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2021-11-21 00:33:09,055 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2021-11-21 00:33:09,055 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2021-11-21 00:33:09,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:33:09 BoogieIcfgContainer [2021-11-21 00:33:09,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 00:33:09,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 00:33:09,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 00:33:09,080 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 00:33:09,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:33:08" (3/4) ... [2021-11-21 00:33:09,084 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 00:33:09,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 00:33:09,086 INFO L158 Benchmark]: Toolchain (without parser) took 1704.20ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 53.0MB in the beginning and 96.8MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:33:09,087 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:33:09,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.62ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 69.6MB in the end (delta: -16.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-21 00:33:09,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.62ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 67.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:33:09,095 INFO L158 Benchmark]: Boogie Preprocessor took 39.91ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:33:09,096 INFO L158 Benchmark]: RCFGBuilder took 629.12ms. Allocated memory is still 96.5MB. Free memory was 65.8MB in the beginning and 48.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-21 00:33:09,096 INFO L158 Benchmark]: TraceAbstraction took 563.05ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 97.4MB in the end (delta: -49.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-21 00:33:09,098 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 127.9MB. Free memory was 97.4MB in the beginning and 96.8MB in the end (delta: 555.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:33:09,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.62ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 69.6MB in the end (delta: -16.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.62ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 67.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.91ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.12ms. Allocated memory is still 96.5MB. Free memory was 65.8MB in the beginning and 48.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 563.05ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 97.4MB in the end (delta: -49.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 127.9MB. Free memory was 97.4MB in the beginning and 96.8MB in the end (delta: 555.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 144]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 130. Possible FailurePath: [L179] CALL testOne() [L139] ieee754_float f1, f2; VAL [f1={6:0}, f2={5:0}] [L141] CALL, EXPR returnsStructure(0) VAL [\old(index)=0] [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; [L141] RET, EXPR returnsStructure(0) VAL [f1={6:0}, f2={5:0}, returnsStructure(0)=56returnsStructure(0)=0returnsStructure(0)=0returnsStructure(0)=0] [L141] f1 = returnsStructure(0) [L142] CALL, EXPR returnsStructure(1) VAL [\old(index)=1] [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; [L142] RET, EXPR returnsStructure(1) VAL [f1={6:0}, f2={5:0}, returnsStructure(1)=49returnsStructure(1)=0returnsStructure(1)=0returnsStructure(1)=0] [L142] f2 = returnsStructure(1) [L144] EXPR f1.ieee.negative [L144] EXPR f2.ieee.negative VAL [f1={6:0}, f1.ieee.negative=0, f2={5:0}, f2.ieee.negative=0] [L144] COND TRUE !(f1.ieee.negative != f2.ieee.negative) [L144] reach_error() VAL [f1={6:0}, f2={5:0}] - UnprovableResult [Line: 156]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 161]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 173]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces [2021-11-21 00:33:09,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P --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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:33:11,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:33:11,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:33:11,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:33:11,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:33:11,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:33:11,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:33:11,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:33:11,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:33:11,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:33:11,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:33:11,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:33:11,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:33:11,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:33:11,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:33:11,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:33:11,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:33:11,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:33:11,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:33:11,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:33:11,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:33:11,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:33:11,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:33:11,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:33:11,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:33:11,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:33:11,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:33:11,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:33:11,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:33:11,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:33:11,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:33:11,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:33:11,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:33:11,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:33:11,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:33:11,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:33:11,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:33:11,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:33:11,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:33:11,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:33:11,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:33:11,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-21 00:33:11,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:33:11,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:33:11,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:33:11,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:33:11,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:33:11,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:33:11,771 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:33:11,771 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:33:11,771 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:33:11,771 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:33:11,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:33:11,773 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:33:11,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:33:11,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:33:11,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:33:11,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:33:11,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:33:11,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:33:11,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:33:11,776 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 00:33:11,777 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 00:33:11,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:33:11,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:33:11,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:33:11,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:33:11,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:33:11,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 00:33:11,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:33:11,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:33:11,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:33:11,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:33:11,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:33:11,780 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 00:33:11,780 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 00:33:11,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:33:11,781 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:33:11,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:33:11,782 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2021-11-21 00:33:12,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:33:12,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:33:12,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:33:12,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:33:12,259 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:33:12,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-11-21 00:33:12,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data/79c2e96f5/83df88fd4ad948e29c5f30a4dd3e72e6/FLAG5da78e3b4 [2021-11-21 00:33:12,839 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:33:12,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-11-21 00:33:12,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data/79c2e96f5/83df88fd4ad948e29c5f30a4dd3e72e6/FLAG5da78e3b4 [2021-11-21 00:33:13,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/data/79c2e96f5/83df88fd4ad948e29c5f30a4dd3e72e6 [2021-11-21 00:33:13,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:33:13,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:33:13,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:33:13,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:33:13,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:33:13,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3ca58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13, skipping insertion in model container [2021-11-21 00:33:13,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:33:13,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:33:13,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-11-21 00:33:13,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-11-21 00:33:13,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-11-21 00:33:13,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-11-21 00:33:13,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:33:13,420 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:33:13,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-11-21 00:33:13,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-11-21 00:33:13,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-11-21 00:33:13,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-11-21 00:33:13,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:33:13,527 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:33:13,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13 WrapperNode [2021-11-21 00:33:13,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:33:13,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:33:13,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:33:13,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:33:13,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,584 INFO L137 Inliner]: procedures = 24, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2021-11-21 00:33:13,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:33:13,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:33:13,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:33:13,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:33:13,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:33:13,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:33:13,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:33:13,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:33:13,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (1/1) ... [2021-11-21 00:33:13,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:33:13,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:33:13,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:33:13,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:33:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:33:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2021-11-21 00:33:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2021-11-21 00:33:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 00:33:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:33:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-21 00:33:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 00:33:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2021-11-21 00:33:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2021-11-21 00:33:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:33:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:33:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-21 00:33:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:33:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 00:33:13,867 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:33:13,869 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:33:14,160 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:33:14,172 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:33:14,185 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 00:33:14,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:33:14 BoogieIcfgContainer [2021-11-21 00:33:14,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:33:14,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:33:14,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:33:14,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:33:14,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:33:13" (1/3) ... [2021-11-21 00:33:14,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21520a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:33:14, skipping insertion in model container [2021-11-21 00:33:14,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:13" (2/3) ... [2021-11-21 00:33:14,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21520a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:33:14, skipping insertion in model container [2021-11-21 00:33:14,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:33:14" (3/3) ... [2021-11-21 00:33:14,195 INFO L111 eAbstractionObserver]: Analyzing ICFG float22.i [2021-11-21 00:33:14,212 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:33:14,212 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-21 00:33:14,277 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:33:14,286 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:33:14,287 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-21 00:33:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:33:14,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 00:33:14,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:33:14,326 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:33:14,327 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:33:14,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:33:14,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1402952998, now seen corresponding path program 1 times [2021-11-21 00:33:14,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:33:14,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867046759] [2021-11-21 00:33:14,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:33:14,351 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:33:14,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:33:14,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:33:14,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 00:33:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:33:14,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 00:33:14,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:33:14,716 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:33:14,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-11-21 00:33:14,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2021-11-21 00:33:15,020 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-21 00:33:15,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 84 [2021-11-21 00:33:15,534 INFO L354 Elim1Store]: treesize reduction 449, result has 16.9 percent of original size [2021-11-21 00:33:15,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 78 treesize of output 127 [2021-11-21 00:33:18,661 INFO L354 Elim1Store]: treesize reduction 171, result has 16.2 percent of original size [2021-11-21 00:33:18,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 186 treesize of output 198 [2021-11-21 00:33:18,759 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-21 00:33:18,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 197 treesize of output 205 [2021-11-21 00:33:19,312 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-21 00:33:19,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 803 treesize of output 759 [2021-11-21 00:33:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:33:19,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:33:21,676 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_testOne_~#f2~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem8#1_9| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (or (not (= |c_ULTIMATE.start_testOne_#t~ret7#1.f| (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_9|)))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_testOne_~#f2~0#1.base| (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_testOne_~#f2~0#1.base|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |v_ULTIMATE.start_testOne_#t~mem8#1_9|)) |c_ULTIMATE.start_testOne_~#f1~0#1.base|) |c_ULTIMATE.start_testOne_~#f1~0#1.offset|) |v_ULTIMATE.start_testOne_#t~mem8#1_9|)))) is different from false [2021-11-21 00:33:24,026 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_returnsStructure_~#c~1.base_11| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem8#1_9| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (let ((.cse1 (store (store (store (select |c_#memory_int| |v_returnsStructure_~#c~1.base_11|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_returnsStructure_~#c~1.base_11|))))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_9|)) (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (not (= |v_ULTIMATE.start_testOne_#t~mem8#1_9| (select (select (let ((.cse2 (store |c_#memory_int| |v_returnsStructure_~#c~1.base_11| .cse1))) (store .cse2 |c_ULTIMATE.start_testOne_~#f2~0#1.base| (store (store (store (store (select .cse2 |c_ULTIMATE.start_testOne_~#f2~0#1.base|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |v_ULTIMATE.start_testOne_#t~mem8#1_9|))) |c_ULTIMATE.start_testOne_~#f1~0#1.base|) |c_ULTIMATE.start_testOne_~#f1~0#1.offset|)))))) is different from false [2021-11-21 00:33:26,687 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem8#1_9| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_returnsStructure_~#c~1.base_11| (_ BitVec 32)) (v_subst_1 (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (let ((.cse1 (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_11|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (and (= (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) v_subst_1) ((_ extract 30 23) v_subst_1) ((_ extract 22 0) v_subst_1))) (= v_subst_1 (select (select (let ((.cse2 (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_11| .cse1))) (store .cse2 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3| (store (store (store (store (select .cse2 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |ULTIMATE.start_testOne_~#f2~0#1.offset| v_subst_1))) |v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_2|)) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_11|))))))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_9|)) |c_returnsStructure_#res.f|)) (not (= (select (select (store |c_#memory_int| |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3| (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |v_ULTIMATE.start_testOne_#t~mem8#1_9|)) |v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_2|) |v_ULTIMATE.start_testOne_#t~mem8#1_9|)))) (not (= |c_returnsStructure_#in~index| (_ bv1 32)))) is different from true [2021-11-21 00:33:30,107 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_returnsStructure_#in~index| (_ bv1 32))) (forall ((|v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem8#1_9| (_ BitVec 32)) (|v_returnsStructure_~#c~1.base_5| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse4 (store (store (store (select |c_#memory_int| |v_returnsStructure_~#c~1.base_5|) (_ bv0 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (exists ((|v_returnsStructure_~#c~1.base_11| (_ BitVec 32)) (v_subst_1 (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (let ((.cse1 (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_11|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (and (= (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) v_subst_1) ((_ extract 30 23) v_subst_1) ((_ extract 22 0) v_subst_1))) (= v_subst_1 (select (select (let ((.cse2 (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_11| .cse1))) (store .cse2 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3| (store (store (store (store (select .cse2 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |ULTIMATE.start_testOne_~#f2~0#1.offset| v_subst_1))) |v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_2|)) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_11|))))))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_returnsStructure_~#c~1.base_5|)))) (not (= |v_ULTIMATE.start_testOne_#t~mem8#1_9| (select (select (let ((.cse3 (store |c_#memory_int| |v_returnsStructure_~#c~1.base_5| .cse4))) (store .cse3 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3| (store (store (store (store (select .cse3 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_3|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |v_ULTIMATE.start_testOne_#t~mem8#1_9|))) |v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_2|))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_9|)) (let ((.cse5 (select .cse4 (_ bv0 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))))))) is different from true [2021-11-21 00:33:33,022 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_testOne_#t~ret6#1.ieee.exponent| (_ BitVec 32)) (|v_returnsStructure_~#c~1.base_11| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f1~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret6#1.ieee.mantissa| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem8#1_9| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret6#1.ieee.negative| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_17| (_ BitVec 32))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_testOne_~#f1~0#1.base| (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_testOne_~#f1~0#1.base|) |ULTIMATE.start_testOne_~#f1~0#1.offset| |ULTIMATE.start_testOne_#t~ret6#1.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f1~0#1.offset|) |ULTIMATE.start_testOne_#t~ret6#1.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f1~0#1.offset|) |ULTIMATE.start_testOne_#t~ret6#1.ieee.mantissa|) |ULTIMATE.start_testOne_~#f1~0#1.offset| |v_skolemized_q#valueAsBitvector_17|)))) (let ((.cse2 (store (store (store (select .cse1 |v_returnsStructure_~#c~1.base_11|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= (select (select (let ((.cse0 (store .cse1 |v_returnsStructure_~#c~1.base_11| .cse2))) (store .cse0 |c_ULTIMATE.start_testOne_~#f2~0#1.base| (store (store (store (store (select .cse0 |c_ULTIMATE.start_testOne_~#f2~0#1.base|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |ULTIMATE.start_testOne_~#f2~0#1.offset| |v_ULTIMATE.start_testOne_#t~mem8#1_9|))) |c_ULTIMATE.start_testOne_~#f1~0#1.base|) |ULTIMATE.start_testOne_~#f1~0#1.offset|) |v_ULTIMATE.start_testOne_#t~mem8#1_9|)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_returnsStructure_~#c~1.base_11|))))) (not (= |c_ULTIMATE.start_testOne_#t~ret6#1.f| (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_17|)))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_9|)) (let ((.cse3 (select .cse2 (_ bv0 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))))))) is different from false [2021-11-21 00:33:33,248 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:33:33,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40323 treesize of output 40248 [2021-11-21 00:33:36,971 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:33:36,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 34068 treesize of output 34077 [2021-11-21 00:33:37,796 INFO L354 Elim1Store]: treesize reduction 483, result has 19.4 percent of original size [2021-11-21 00:33:37,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 34077 treesize of output 34117 [2021-11-21 00:33:38,454 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:33:38,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34153 treesize of output 34127 [2021-11-21 00:33:42,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2021-11-21 00:33:42,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-11-21 00:33:42,374 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:33:42,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 160 treesize of output 172 [2021-11-21 00:34:02,977 WARN L227 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 00:34:06,712 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:34:06,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 74991 treesize of output 74906 [2021-11-21 00:34:13,645 WARN L227 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 326 DAG size of output: 326 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 00:34:13,859 INFO L354 Elim1Store]: treesize reduction 26, result has 61.8 percent of original size [2021-11-21 00:34:13,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 70298 treesize of output 70274 [2021-11-21 00:34:14,373 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:34:14,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70274 treesize of output 70288 [2021-11-21 00:34:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:15,055 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:34:15,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 70255 treesize of output 70260 [2021-11-21 00:34:22,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:22,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:22,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:22,718 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:34:22,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 23 [2021-11-21 00:34:24,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 138 [2021-11-21 00:34:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2021-11-21 00:34:32,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:34:32,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867046759] [2021-11-21 00:34:32,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867046759] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:34:32,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [175508367] [2021-11-21 00:34:32,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:34:32,704 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:34:32,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:34:32,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:34:32,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625d47e9-ee2a-4bc5-908f-e38a1fb95208/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2021-11-21 00:34:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:34:32,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 00:34:32,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:34:33,035 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-21 00:34:33,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-11-21 00:34:35,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2021-11-21 00:34:35,362 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-21 00:34:35,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 84 [2021-11-21 00:34:37,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:37,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:37,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:37,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:37,734 INFO L354 Elim1Store]: treesize reduction 40, result has 42.9 percent of original size [2021-11-21 00:34:37,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 84 [2021-11-21 00:34:44,791 INFO L354 Elim1Store]: treesize reduction 68, result has 32.7 percent of original size [2021-11-21 00:34:44,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 162 treesize of output 162 [2021-11-21 00:34:44,856 INFO L354 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2021-11-21 00:34:44,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 155 treesize of output 159 [2021-11-21 00:34:47,186 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:34:47,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 183 treesize of output 143 [2021-11-21 00:34:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:34:47,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:34:51,728 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_testOne_#t~mem8#1_13| (_ BitVec 32)) (|v_returnsStructure_~#c~1.base_26| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (let ((.cse1 (store (store (store (select |c_#memory_int| |v_returnsStructure_~#c~1.base_26|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= (select (select (let ((.cse0 (store |c_#memory_int| |v_returnsStructure_~#c~1.base_26| .cse1))) (store .cse0 |c_ULTIMATE.start_testOne_~#f2~0#1.base| (store (store (store (store (select .cse0 |c_ULTIMATE.start_testOne_~#f2~0#1.base|) |c_ULTIMATE.start_testOne_~#f2~0#1.offset| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |c_ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |c_ULTIMATE.start_testOne_~#f2~0#1.offset|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |c_ULTIMATE.start_testOne_~#f2~0#1.offset| |v_ULTIMATE.start_testOne_#t~mem8#1_13|))) |c_ULTIMATE.start_testOne_~#f1~0#1.base|) |c_ULTIMATE.start_testOne_~#f1~0#1.offset|) |v_ULTIMATE.start_testOne_#t~mem8#1_13|)) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_13|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_13|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_13|)) (let ((.cse2 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_returnsStructure_~#c~1.base_26|))))))) is different from false [2021-11-21 00:34:54,262 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_testOne_#t~mem8#1_13| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_5| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_7| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (or (not (= |v_ULTIMATE.start_testOne_#t~mem8#1_13| (select (select (store |c_#memory_int| |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7| (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| |v_ULTIMATE.start_testOne_#t~mem8#1_13|)) |v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_5|))) (not (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_13|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_13|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_13|)))) (exists ((|v_ULTIMATE.start_testOne_#t~mem8#1_13| (_ BitVec 32)) (|v_returnsStructure_~#c~1.base_26| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (let ((.cse1 (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_26|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (and (= (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_13|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_13|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_13|))) (= |v_ULTIMATE.start_testOne_#t~mem8#1_13| (select (select (let ((.cse2 (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_26| .cse1))) (store .cse2 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7| (store (store (store (store (select .cse2 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| |v_ULTIMATE.start_testOne_#t~mem8#1_13|))) |v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_5|)) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_26|))))))))) (not (= |c_returnsStructure_#in~index| (_ bv1 32)))) is different from true [2021-11-21 00:34:57,401 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_testOne_#t~mem8#1_13| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_5| (_ BitVec 32)) (|v_returnsStructure_~#c~1.base_21| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_7| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (let ((.cse1 (store (store (store (select |c_#memory_int| |v_returnsStructure_~#c~1.base_21|) (_ bv0 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= |v_ULTIMATE.start_testOne_#t~mem8#1_13| (select (select (let ((.cse0 (store |c_#memory_int| |v_returnsStructure_~#c~1.base_21| .cse1))) (store .cse0 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7| (store (store (store (store (select .cse0 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| |v_ULTIMATE.start_testOne_#t~mem8#1_13|))) |v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_5|))) (exists ((|v_returnsStructure_~#c~1.base_26| (_ BitVec 32)) (v_subst_2 (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa| (_ BitVec 32))) (let ((.cse3 (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_26|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (and (= v_subst_2 (select (select (let ((.cse2 (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_26| .cse3))) (store .cse2 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7| (store (store (store (store (select .cse2 |v_ULTIMATE.start_testOne_~#f2~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| |ULTIMATE.start_testOne_#t~ret7#1.ieee.negative|) (bvadd (_ bv4 32) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.exponent|) (bvadd (_ bv8 32) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3|) |ULTIMATE.start_testOne_#t~ret7#1.ieee.mantissa|) |v_ULTIMATE.start_testOne_~#f2~0#1.offset_BEFORE_CALL_3| v_subst_2))) |v_ULTIMATE.start_testOne_~#f1~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_testOne_~#f1~0#1.offset_BEFORE_CALL_5|)) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_26|)))) (= (let ((.cse4 (select .cse3 (_ bv0 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (fp ((_ extract 31 31) v_subst_2) ((_ extract 30 23) v_subst_2) ((_ extract 22 0) v_subst_2)))))) (not (= (_ bv0 1) (select |c_#valid| |v_returnsStructure_~#c~1.base_21|))) (not (= (let ((.cse5 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem8#1_13|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem8#1_13|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem8#1_13|))))))) (not (= |c_returnsStructure_#in~index| (_ bv1 32)))) is different from true [2021-11-21 00:35:19,269 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:35:19,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 4618107 treesize of output 4618032