./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs --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 c47cab6e9e67c4b3363cebe5303809f696c66d6509c3a11e62d36bdf941dfec0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:34:26,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:34:26,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:34:26,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:34:26,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:34:26,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:34:26,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:34:26,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:34:26,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:34:26,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:34:26,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:34:26,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:34:26,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:34:26,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:34:26,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:34:26,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:34:26,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:34:26,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:34:26,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:34:26,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:34:26,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:34:26,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:34:26,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:34:26,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:34:26,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:34:26,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:34:26,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:34:26,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:34:26,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:34:26,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:34:26,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:34:26,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:34:26,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:34:26,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:34:26,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:34:26,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:34:26,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:34:26,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:34:26,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:34:26,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:34:26,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:34:26,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:34:26,894 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:34:26,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:34:26,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:34:26,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:34:26,897 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:34:26,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:34:26,897 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:34:26,898 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:34:26,905 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:34:26,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:34:26,907 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:34:26,907 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:34:26,908 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:34:26,908 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:34:26,908 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:34:26,909 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:34:26,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:34:26,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:34:26,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:34:26,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:34:26,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:34:26,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:34:26,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:34:26,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:34:26,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:34:26,913 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:34:26,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:34:26,913 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:34:26,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:34:26,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:34:26,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:34:26,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:34:26,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:34:26,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:34:26,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:34:26,916 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:34:26,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:34:26,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:34:26,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:34:26,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:34:26,918 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c47cab6e9e67c4b3363cebe5303809f696c66d6509c3a11e62d36bdf941dfec0 [2021-11-19 14:34:27,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:34:27,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:34:27,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:34:27,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:34:27,274 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:34:27,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c [2021-11-19 14:34:27,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data/29dd906b1/7f7033d863a940ff9ff4c671e5710f3c/FLAG5e27b8c5c [2021-11-19 14:34:27,918 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:34:27,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c [2021-11-19 14:34:27,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data/29dd906b1/7f7033d863a940ff9ff4c671e5710f3c/FLAG5e27b8c5c [2021-11-19 14:34:28,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data/29dd906b1/7f7033d863a940ff9ff4c671e5710f3c [2021-11-19 14:34:28,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:34:28,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:34:28,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:34:28,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:34:28,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:34:28,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9fdb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28, skipping insertion in model container [2021-11-19 14:34:28,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:34:28,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:34:28,522 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c[1998,2011] [2021-11-19 14:34:28,531 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c[2367,2380] [2021-11-19 14:34:28,575 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:34:28,584 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:34:28,598 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c[1998,2011] [2021-11-19 14:34:28,600 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c[2367,2380] [2021-11-19 14:34:28,629 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:34:28,644 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:34:28,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28 WrapperNode [2021-11-19 14:34:28,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:34:28,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:34:28,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:34:28,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:34:28,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,701 INFO L137 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 133 [2021-11-19 14:34:28,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:34:28,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:34:28,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:34:28,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:34:28,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:34:28,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:34:28,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:34:28,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:34:28,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (1/1) ... [2021-11-19 14:34:28,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:34:28,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:34:28,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:34:28,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:34:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:34:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-19 14:34:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-19 14:34:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:34:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:34:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:34:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:34:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:34:28,914 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:34:28,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:34:29,290 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:34:29,367 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:34:29,367 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 14:34:29,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:29 BoogieIcfgContainer [2021-11-19 14:34:29,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:34:29,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:34:29,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:34:29,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:34:29,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:34:28" (1/3) ... [2021-11-19 14:34:29,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d904120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:34:29, skipping insertion in model container [2021-11-19 14:34:29,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:28" (2/3) ... [2021-11-19 14:34:29,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d904120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:34:29, skipping insertion in model container [2021-11-19 14:34:29,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:29" (3/3) ... [2021-11-19 14:34:29,378 INFO L111 eAbstractionObserver]: Analyzing ICFG square_5+soft_float_3a.c.cil.c [2021-11-19 14:34:29,384 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:34:29,385 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 14:34:29,436 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:34:29,443 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 [2021-11-19 14:34:29,444 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 14:34:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 35 states have (on average 1.5714285714285714) internal successors, (55), 38 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 14:34:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-19 14:34:29,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:29,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-19 14:34:29,468 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:34:29,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:29,474 INFO L85 PathProgramCache]: Analyzing trace with hash 7112936, now seen corresponding path program 1 times [2021-11-19 14:34:29,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:34:29,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084219282] [2021-11-19 14:34:29,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:29,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:34:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 14:34:29,629 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 14:34:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 14:34:29,683 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-19 14:34:29,685 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 14:34:29,686 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-19 14:34:29,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-19 14:34:29,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:34:29,695 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-19 14:34:29,698 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:34:29,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:34:29 BoogieIcfgContainer [2021-11-19 14:34:29,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:34:29,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:34:29,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:34:29,727 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:34:29,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:29" (3/4) ... [2021-11-19 14:34:29,734 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 14:34:29,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:34:29,736 INFO L158 Benchmark]: Toolchain (without parser) took 1506.41ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.5MB in the beginning and 85.0MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:34:29,737 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:34:29,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.49ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.3MB in the beginning and 87.5MB in the end (delta: -33.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-19 14:34:29,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.00ms. Allocated memory is still 115.3MB. Free memory was 87.5MB in the beginning and 85.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:34:29,745 INFO L158 Benchmark]: Boogie Preprocessor took 30.38ms. Allocated memory is still 115.3MB. Free memory was 85.5MB in the beginning and 84.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:34:29,746 INFO L158 Benchmark]: RCFGBuilder took 636.52ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 67.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 14:34:29,747 INFO L158 Benchmark]: TraceAbstraction took 352.13ms. Allocated memory is still 115.3MB. Free memory was 67.0MB in the beginning and 85.5MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:34:29,747 INFO L158 Benchmark]: Witness Printer took 7.79ms. Allocated memory is still 115.3MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:34:29,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.49ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.3MB in the beginning and 87.5MB in the end (delta: -33.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.00ms. Allocated memory is still 115.3MB. Free memory was 87.5MB in the beginning and 85.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.38ms. Allocated memory is still 115.3MB. Free memory was 85.5MB in the beginning and 84.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 636.52ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 67.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 352.13ms. Allocated memory is still 115.3MB. Free memory was 67.0MB in the beginning and 85.5MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.79ms. Allocated memory is still 115.3MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=49, x=49] [L47] COND TRUE !(result >= 0.0f && result < 1.3985f) VAL [IN=49, x=49] [L48] reach_error() VAL [IN=49, x=49] - UnprovableResult [Line: 60]: 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, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, 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=45occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 [2021-11-19 14:34:29,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs --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 c47cab6e9e67c4b3363cebe5303809f696c66d6509c3a11e62d36bdf941dfec0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:34:32,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:34:32,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:34:32,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:34:32,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:34:32,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:34:32,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:34:32,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:34:32,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:34:32,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:34:32,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:34:32,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:34:32,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:34:32,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:34:32,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:34:32,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:34:32,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:34:32,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:34:32,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:34:32,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:34:32,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:34:32,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:34:32,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:34:32,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:34:32,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:34:32,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:34:32,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:34:32,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:34:32,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:34:32,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:34:32,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:34:32,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:34:32,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:34:32,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:34:32,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:34:32,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:34:32,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:34:32,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:34:32,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:34:32,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:34:32,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:34:32,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 14:34:32,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:34:32,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:34:32,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:34:32,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:34:32,531 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:34:32,531 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:34:32,531 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:34:32,531 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:34:32,532 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:34:32,532 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:34:32,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:34:32,535 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:34:32,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:34:32,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:34:32,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:34:32,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:34:32,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:34:32,536 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:34:32,536 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:34:32,537 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:34:32,537 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:34:32,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:34:32,537 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:34:32,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:34:32,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:34:32,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:34:32,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:34:32,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:34:32,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:34:32,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:34:32,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:34:32,540 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:34:32,540 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:34:32,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:34:32,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:34:32,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:34:32,541 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c47cab6e9e67c4b3363cebe5303809f696c66d6509c3a11e62d36bdf941dfec0 [2021-11-19 14:34:32,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:34:33,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:34:33,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:34:33,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:34:33,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:34:33,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c [2021-11-19 14:34:33,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data/696557c0b/92b99bd0b4f54eb7934b77ee3b4dc08b/FLAGb4fafa876 [2021-11-19 14:34:33,910 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:34:33,910 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c [2021-11-19 14:34:33,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data/696557c0b/92b99bd0b4f54eb7934b77ee3b4dc08b/FLAGb4fafa876 [2021-11-19 14:34:34,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/data/696557c0b/92b99bd0b4f54eb7934b77ee3b4dc08b [2021-11-19 14:34:34,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:34:34,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:34:34,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:34:34,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:34:34,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:34:34,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562ee27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34, skipping insertion in model container [2021-11-19 14:34:34,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:34:34,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:34:34,501 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c[1998,2011] [2021-11-19 14:34:34,507 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c[2367,2380] [2021-11-19 14:34:34,559 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:34:34,617 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:34:34,654 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c[1998,2011] [2021-11-19 14:34:34,656 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_4cfbadf3-047a-44a2-afef-4942ca51c6a3/sv-benchmarks/c/combinations/square_5+soft_float_3a.c.cil.c[2367,2380] [2021-11-19 14:34:34,691 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:34:34,708 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:34:34,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34 WrapperNode [2021-11-19 14:34:34,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:34:34,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:34:34,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:34:34,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:34:34,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,760 INFO L137 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 129 [2021-11-19 14:34:34,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:34:34,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:34:34,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:34:34,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:34:34,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:34:34,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:34:34,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:34:34,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:34:34,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (1/1) ... [2021-11-19 14:34:34,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:34:34,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:34:34,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:34:34,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:34:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:34:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:34:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-19 14:34:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-19 14:34:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:34:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:34:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:34:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:34:34,990 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:34:34,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:34:37,520 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:34:37,529 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:34:37,529 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 14:34:37,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:37 BoogieIcfgContainer [2021-11-19 14:34:37,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:34:37,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:34:37,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:34:37,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:34:37,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:34:34" (1/3) ... [2021-11-19 14:34:37,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466ca7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:34:37, skipping insertion in model container [2021-11-19 14:34:37,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:34" (2/3) ... [2021-11-19 14:34:37,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466ca7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:34:37, skipping insertion in model container [2021-11-19 14:34:37,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:37" (3/3) ... [2021-11-19 14:34:37,540 INFO L111 eAbstractionObserver]: Analyzing ICFG square_5+soft_float_3a.c.cil.c [2021-11-19 14:34:37,546 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:34:37,546 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 14:34:37,631 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:34:37,648 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 [2021-11-19 14:34:37,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 14:34:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 50 states have (on average 1.56) internal successors, (78), 53 states have internal predecessors, (78), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 14:34:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 14:34:37,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:37,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:37,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:34:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:37,697 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2021-11-19 14:34:37,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:37,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413236219] [2021-11-19 14:34:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:37,712 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:37,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:37,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:37,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:34:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:38,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:34:38,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:34:38,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:34:38,457 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:38,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413236219] [2021-11-19 14:34:38,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413236219] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:38,458 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:38,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 14:34:38,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97163791] [2021-11-19 14:34:38,461 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:38,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:34:38,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:38,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:34:38,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:34:38,501 INFO L87 Difference]: Start difference. First operand has 60 states, 50 states have (on average 1.56) internal successors, (78), 53 states have internal predecessors, (78), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:34:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:38,535 INFO L93 Difference]: Finished difference Result 115 states and 173 transitions. [2021-11-19 14:34:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:34:38,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-19 14:34:38,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:38,546 INFO L225 Difference]: With dead ends: 115 [2021-11-19 14:34:38,546 INFO L226 Difference]: Without dead ends: 51 [2021-11-19 14:34:38,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:34:38,555 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:38,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:34:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-19 14:34:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-19 14:34:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 44 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 14:34:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2021-11-19 14:34:38,604 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 7 [2021-11-19 14:34:38,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:38,604 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2021-11-19 14:34:38,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:34:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2021-11-19 14:34:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 14:34:38,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:38,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:38,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:38,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:38,827 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:34:38,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:38,828 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2021-11-19 14:34:38,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:38,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280558899] [2021-11-19 14:34:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:38,830 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:38,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:38,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfbadf3-047a-44a2-afef-4942ca51c6a3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:46:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:46:54,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 14:46:54,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:09,764 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (and (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse0) (= |c_ULTIMATE.start_main1_~result~0#1| (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-19 14:48:00,056 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))) (or (not (fp.lt .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 2797.0 2000.0)))) (not (fp.geq .cse0 (_ +zero 8 24))))) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse1)))) is different from false [2021-11-19 14:48:02,107 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))) (or (not (fp.lt .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 2797.0 2000.0)))) (not (fp.geq .cse0 (_ +zero 8 24))))) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse1)))) is different from true [2021-11-19 14:48:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:48:02,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:12,893 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse0 (_ +zero 8 24)))) is different from false [2021-11-19 14:48:14,969 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse0 (_ +zero 8 24)))) is different from true [2021-11-19 14:48:29,821 WARN L838 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse0 (_ +zero 8 24))))) is different from false [2021-11-19 14:48:31,897 WARN L860 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse0 (_ +zero 8 24))))) is different from true