./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f0f01afc4ff6f43b4bc9d2fa2add6f57b41dad4 ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f0f01afc4ff6f43b4bc9d2fa2add6f57b41dad4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 14:02:43,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:02:43,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:02:43,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:02:43,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:02:43,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:02:43,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:02:43,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:02:43,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:02:43,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:02:43,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:02:43,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:02:43,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:02:43,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:02:43,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:02:43,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:02:43,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:02:43,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:02:43,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:02:43,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:02:43,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:02:43,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:02:43,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:02:43,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:02:43,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:02:43,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:02:43,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:02:43,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:02:43,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:02:43,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:02:43,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:02:43,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:02:43,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:02:43,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:02:43,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:02:43,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:02:43,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:02:43,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:02:43,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:02:43,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:02:43,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:02:43,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 14:02:43,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:02:43,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:02:43,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:02:43,689 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:02:43,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:02:43,689 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:02:43,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 14:02:43,689 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:02:43,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:02:43,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 14:02:43,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 14:02:43,690 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:02:43,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 14:02:43,690 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 14:02:43,690 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 14:02:43,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:02:43,691 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:02:43,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 14:02:43,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:02:43,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:02:43,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:02:43,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:02:43,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:02:43,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:02:43,692 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:02:43,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:02:43,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:02:43,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:02:43,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:02:43,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:02:43,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:02:43,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:02:43,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:02:43,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:02:43,693 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 14:02:43,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 14:02:43,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:02:43,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:02:43,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:02:43,693 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0f01afc4ff6f43b4bc9d2fa2add6f57b41dad4 [2020-12-09 14:02:43,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:02:43,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:02:43,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:02:43,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:02:43,901 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:02:43,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c [2020-12-09 14:02:43,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data/c93c8d00a/6b64c92ac47f4a0383fabb4941921d75/FLAG5b0c481c4 [2020-12-09 14:02:44,367 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:02:44,368 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/sv-benchmarks/c/float-newlib/double_req_bl_0460.c [2020-12-09 14:02:44,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data/c93c8d00a/6b64c92ac47f4a0383fabb4941921d75/FLAG5b0c481c4 [2020-12-09 14:02:44,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data/c93c8d00a/6b64c92ac47f4a0383fabb4941921d75 [2020-12-09 14:02:44,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:02:44,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:02:44,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:02:44,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:02:44,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:02:44,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb1b6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44, skipping insertion in model container [2020-12-09 14:02:44,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:02:44,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:02:44,552 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/sv-benchmarks/c/float-newlib/double_req_bl_0460.c[5763,5776] [2020-12-09 14:02:44,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:02:44,561 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:02:44,594 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/sv-benchmarks/c/float-newlib/double_req_bl_0460.c[5763,5776] [2020-12-09 14:02:44,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:02:44,605 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:02:44,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44 WrapperNode [2020-12-09 14:02:44,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:02:44,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:02:44,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:02:44,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:02:44,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:02:44,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:02:44,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:02:44,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:02:44,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... [2020-12-09 14:02:44,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:02:44,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:02:44,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:02:44,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:02:44,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:02:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 14:02:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:02:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 14:02:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 14:02:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 14:02:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:02:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:02:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 14:02:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 14:02:45,660 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:02:45,661 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-09 14:02:45,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:02:45 BoogieIcfgContainer [2020-12-09 14:02:45,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:02:45,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:02:45,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:02:45,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:02:45,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:02:44" (1/3) ... [2020-12-09 14:02:45,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6526e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:02:45, skipping insertion in model container [2020-12-09 14:02:45,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:44" (2/3) ... [2020-12-09 14:02:45,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6526e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:02:45, skipping insertion in model container [2020-12-09 14:02:45,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:02:45" (3/3) ... [2020-12-09 14:02:45,668 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460.c [2020-12-09 14:02:45,677 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:02:45,679 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 14:02:45,686 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 14:02:45,702 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:02:45,702 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 14:02:45,702 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:02:45,703 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:02:45,703 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:02:45,703 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:02:45,703 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:02:45,703 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:02:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-12-09 14:02:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 14:02:45,715 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:02:45,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:02:45,716 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:02:45,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:02:45,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1568734712, now seen corresponding path program 1 times [2020-12-09 14:02:45,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:02:45,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428270323] [2020-12-09 14:02:45,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:02:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:02:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:02:45,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428270323] [2020-12-09 14:02:45,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:02:45,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:02:45,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028371828] [2020-12-09 14:02:45,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 14:02:45,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:02:45,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 14:02:45,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 14:02:45,838 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2020-12-09 14:02:45,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:02:45,853 INFO L93 Difference]: Finished difference Result 108 states and 179 transitions. [2020-12-09 14:02:45,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 14:02:45,853 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-09 14:02:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:02:45,860 INFO L225 Difference]: With dead ends: 108 [2020-12-09 14:02:45,860 INFO L226 Difference]: Without dead ends: 52 [2020-12-09 14:02:45,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 14:02:45,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-12-09 14:02:45,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-12-09 14:02:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-09 14:02:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-12-09 14:02:45,886 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 9 [2020-12-09 14:02:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:02:45,886 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-12-09 14:02:45,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 14:02:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-12-09 14:02:45,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 14:02:45,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:02:45,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:02:45,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 14:02:45,887 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:02:45,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:02:45,888 INFO L82 PathProgramCache]: Analyzing trace with hash 757476748, now seen corresponding path program 1 times [2020-12-09 14:02:45,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:02:45,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490662538] [2020-12-09 14:02:45,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:02:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 14:02:45,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 14:02:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 14:02:45,942 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 14:02:45,961 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 14:02:45,961 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 14:02:45,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 14:02:45,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:02:45 BoogieIcfgContainer [2020-12-09 14:02:45,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:02:45,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:02:45,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:02:45,985 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:02:45,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:02:45" (3/4) ... [2020-12-09 14:02:45,987 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 14:02:45,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:02:45,989 INFO L168 Benchmark]: Toolchain (without parser) took 1602.01 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 60.3 MB in the beginning and 78.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-12-09 14:02:45,989 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 76.8 MB in the beginning and 76.6 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:02:45,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.46 ms. Allocated memory is still 100.7 MB. Free memory was 60.1 MB in the beginning and 71.7 MB in the end (delta: -11.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-12-09 14:02:45,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.32 ms. Allocated memory is still 100.7 MB. Free memory was 71.3 MB in the beginning and 68.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 14:02:45,991 INFO L168 Benchmark]: Boogie Preprocessor took 33.75 ms. Allocated memory is still 100.7 MB. Free memory was 68.3 MB in the beginning and 65.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:02:45,991 INFO L168 Benchmark]: RCFGBuilder took 982.08 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 65.4 MB in the beginning and 59.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2020-12-09 14:02:45,992 INFO L168 Benchmark]: TraceAbstraction took 320.92 ms. Allocated memory is still 123.7 MB. Free memory was 58.2 MB in the beginning and 78.0 MB in the end (delta: -19.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:02:45,992 INFO L168 Benchmark]: Witness Printer took 2.83 ms. Allocated memory is still 123.7 MB. Free memory is still 78.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:02:45,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 76.8 MB in the beginning and 76.6 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 218.46 ms. Allocated memory is still 100.7 MB. Free memory was 60.1 MB in the beginning and 71.7 MB in the end (delta: -11.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.32 ms. Allocated memory is still 100.7 MB. Free memory was 71.3 MB in the beginning and 68.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.75 ms. Allocated memory is still 100.7 MB. Free memory was 68.3 MB in the beginning and 65.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 982.08 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 65.4 MB in the beginning and 59.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 320.92 ms. Allocated memory is still 123.7 MB. Free memory was 58.2 MB in the beginning and 78.0 MB in the end (delta: -19.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.83 ms. Allocated memory is still 123.7 MB. Free memory is still 78.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of bitwiseAnd at line 152, overapproximation of someBinaryArithmeticDOUBLEoperation at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 215. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L129-L142] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; [L223] double x = __VERIFIER_nondet_double(); [L225] COND TRUE x < -1.0 || x > 1.0 [L145] double z, p, q, r, w, s, c, df; [L146] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L148] ieee_double_shape_type gh_u; [L149] gh_u.value = (x) [L150] EXPR gh_u.parts.msw [L150] (hx) = gh_u.parts.msw [L152] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L168] COND TRUE ix < 0x3fe00000 [L169] COND FALSE !(ix <= 0x3c600000) [L171] z = x * x [L172-L175] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L176-L177] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L178] r = p / q [L179] return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L227] double res = __ieee754_acos(x); [L215] return x != x; [L230] COND TRUE !isnan_double(res) [L231] reach_error() VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 76 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 14:02:47,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:02:47,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:02:47,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:02:47,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:02:47,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:02:47,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:02:47,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:02:47,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:02:47,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:02:47,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:02:47,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:02:47,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:02:47,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:02:47,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:02:47,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:02:47,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:02:47,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:02:47,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:02:47,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:02:47,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:02:47,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:02:47,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:02:47,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:02:47,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:02:47,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:02:47,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:02:47,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:02:47,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:02:47,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:02:47,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:02:47,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:02:47,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:02:47,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:02:47,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:02:47,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:02:47,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:02:47,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:02:47,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:02:47,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:02:47,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:02:47,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 14:02:47,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:02:47,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:02:47,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:02:47,728 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:02:47,728 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:02:47,728 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:02:47,728 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:02:47,729 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:02:47,729 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:02:47,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:02:47,729 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:02:47,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:02:47,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:02:47,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:02:47,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:02:47,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:02:47,730 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:02:47,730 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 14:02:47,730 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 14:02:47,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:02:47,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:02:47,731 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:02:47,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:02:47,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:02:47,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 14:02:47,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:02:47,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:02:47,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:02:47,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:02:47,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:02:47,732 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 14:02:47,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 14:02:47,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:02:47,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:02:47,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:02:47,732 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0f01afc4ff6f43b4bc9d2fa2add6f57b41dad4 [2020-12-09 14:02:47,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:02:47,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:02:47,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:02:47,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:02:47,990 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:02:47,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c [2020-12-09 14:02:48,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data/4e9be5850/2847a73e5cfd4734a7eb57fec39adcc3/FLAG204f93567 [2020-12-09 14:02:48,431 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:02:48,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/sv-benchmarks/c/float-newlib/double_req_bl_0460.c [2020-12-09 14:02:48,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data/4e9be5850/2847a73e5cfd4734a7eb57fec39adcc3/FLAG204f93567 [2020-12-09 14:02:48,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/data/4e9be5850/2847a73e5cfd4734a7eb57fec39adcc3 [2020-12-09 14:02:48,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:02:48,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:02:48,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:02:48,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:02:48,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:02:48,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763db33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48, skipping insertion in model container [2020-12-09 14:02:48,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:02:48,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:02:48,641 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/sv-benchmarks/c/float-newlib/double_req_bl_0460.c[5763,5776] [2020-12-09 14:02:48,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:02:48,652 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:02:48,690 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/sv-benchmarks/c/float-newlib/double_req_bl_0460.c[5763,5776] [2020-12-09 14:02:48,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:02:48,707 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:02:48,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48 WrapperNode [2020-12-09 14:02:48,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:02:48,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:02:48,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:02:48,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:02:48,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:02:48,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:02:48,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:02:48,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:02:48,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... [2020-12-09 14:02:48,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:02:48,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:02:48,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:02:48,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:02:48,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:02:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-09 14:02:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-09 14:02:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 14:02:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:02:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 14:02:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:02:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:02:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 14:02:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 14:03:19,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:03:19,902 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-09 14:03:19,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:03:19 BoogieIcfgContainer [2020-12-09 14:03:19,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:03:19,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:03:19,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:03:19,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:03:19,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:02:48" (1/3) ... [2020-12-09 14:03:19,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ead1278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:03:19, skipping insertion in model container [2020-12-09 14:03:19,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:02:48" (2/3) ... [2020-12-09 14:03:19,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ead1278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:03:19, skipping insertion in model container [2020-12-09 14:03:19,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:03:19" (3/3) ... [2020-12-09 14:03:19,911 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460.c [2020-12-09 14:03:19,923 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:03:19,926 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 14:03:19,934 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 14:03:19,954 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:03:19,954 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 14:03:19,954 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:03:19,954 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:03:19,955 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:03:19,955 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:03:19,955 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:03:19,955 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:03:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2020-12-09 14:03:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 14:03:19,970 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:03:19,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:03:19,971 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:03:19,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:03:19,975 INFO L82 PathProgramCache]: Analyzing trace with hash 8448415, now seen corresponding path program 1 times [2020-12-09 14:03:19,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:03:19,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60673471] [2020-12-09 14:03:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 14:03:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:03:20,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 14:03:20,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:03:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:03:20,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:03:20,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60673471] [2020-12-09 14:03:20,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:03:20,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:03:20,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405812651] [2020-12-09 14:03:20,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 14:03:20,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:03:20,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 14:03:20,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 14:03:20,755 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 2 states. [2020-12-09 14:03:20,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:03:20,774 INFO L93 Difference]: Finished difference Result 209 states and 346 transitions. [2020-12-09 14:03:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 14:03:20,775 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-09 14:03:20,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:03:20,782 INFO L225 Difference]: With dead ends: 209 [2020-12-09 14:03:20,782 INFO L226 Difference]: Without dead ends: 102 [2020-12-09 14:03:20,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 14:03:20,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-12-09 14:03:20,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-12-09 14:03:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-12-09 14:03:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 147 transitions. [2020-12-09 14:03:20,810 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 147 transitions. Word has length 12 [2020-12-09 14:03:20,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:03:20,811 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 147 transitions. [2020-12-09 14:03:20,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 14:03:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2020-12-09 14:03:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 14:03:20,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:03:20,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:03:21,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 14:03:21,013 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:03:21,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:03:21,016 INFO L82 PathProgramCache]: Analyzing trace with hash -409380025, now seen corresponding path program 1 times [2020-12-09 14:03:21,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:03:21,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319300141] [2020-12-09 14:03:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 14:03:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:03:21,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 14:03:21,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:03:21,480 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-09 14:03:21,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:03:21,812 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 14:03:26,231 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 14:03:26,240 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:03:30,900 WARN L197 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 14:03:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:03:30,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:03:30,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319300141] [2020-12-09 14:03:30,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:03:30,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 14:03:30,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19725589] [2020-12-09 14:03:30,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 14:03:30,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:03:30,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 14:03:30,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=19, Unknown=2, NotChecked=0, Total=30 [2020-12-09 14:03:30,925 INFO L87 Difference]: Start difference. First operand 102 states and 147 transitions. Second operand 6 states. [2020-12-09 14:03:35,779 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 14:03:49,501 WARN L197 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-12-09 14:04:06,500 WARN L197 SmtUtils]: Spent 16.88 s on a formula simplification that was a NOOP. DAG size: 50 [2020-12-09 14:04:11,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:04:11,531 INFO L93 Difference]: Finished difference Result 112 states and 155 transitions. [2020-12-09 14:04:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 14:04:11,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-09 14:04:11,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:04:11,551 INFO L225 Difference]: With dead ends: 112 [2020-12-09 14:04:11,551 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 14:04:11,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.9s TimeCoverageRelationStatistics Valid=27, Invalid=41, Unknown=4, NotChecked=0, Total=72 [2020-12-09 14:04:11,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 14:04:11,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2020-12-09 14:04:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 14:04:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-12-09 14:04:11,561 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 13 [2020-12-09 14:04:11,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:04:11,562 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-12-09 14:04:11,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 14:04:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-12-09 14:04:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 14:04:11,563 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:04:11,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:04:11,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 14:04:11,765 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:04:11,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:04:11,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1384827201, now seen corresponding path program 1 times [2020-12-09 14:04:11,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:04:11,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863461223] [2020-12-09 14:04:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 14:04:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:04:12,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 14:04:12,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:04:14,864 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start___ieee754_acos_~x (_ FloatingPoint 11 53))) (= |c_ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acos_~x ULTIMATE.start___ieee754_acos_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) is different from false [2020-12-09 14:04:26,902 WARN L838 $PredicateComparison]: unable to prove that (or (and (exists ((ULTIMATE.start___ieee754_acos_~x (_ FloatingPoint 11 53))) (let ((.cse0 (let ((.cse1 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acos_~x ULTIMATE.start___ieee754_acos_~x))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0))) (= (_ bv0 32) |c_ULTIMATE.start_isnan_double_#res|)) (and (exists ((v_prenex_3 (_ FloatingPoint 11 53))) (not (let ((.cse2 (let ((.cse3 (fp.sub roundNearestTiesToEven v_prenex_3 v_prenex_3))) (fp.div roundNearestTiesToEven .cse3 .cse3)))) (fp.eq .cse2 .cse2)))) (= (_ bv1 32) |c_ULTIMATE.start_isnan_double_#res|))) is different from false [2020-12-09 14:04:38,121 WARN L838 $PredicateComparison]: unable to prove that (or (and (= (_ bv1 32) |c_ULTIMATE.start_main_#t~ret18|) (exists ((v_prenex_3 (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.sub roundNearestTiesToEven v_prenex_3 v_prenex_3))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0))))) (and (= (_ bv0 32) |c_ULTIMATE.start_main_#t~ret18|) (exists ((ULTIMATE.start___ieee754_acos_~x (_ FloatingPoint 11 53))) (let ((.cse2 (let ((.cse3 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acos_~x ULTIMATE.start___ieee754_acos_~x))) (fp.div roundNearestTiesToEven .cse3 .cse3)))) (fp.eq .cse2 .cse2))))) is different from false [2020-12-09 14:04:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:04:39,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:04:39,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863461223] [2020-12-09 14:04:39,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:04:39,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 14:04:39,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563985968] [2020-12-09 14:04:39,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 14:04:39,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:04:39,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 14:04:39,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=6, Unknown=3, NotChecked=12, Total=30 [2020-12-09 14:04:39,139 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2020-12-09 14:04:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:04:44,037 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2020-12-09 14:04:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 14:04:44,055 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-12-09 14:04:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:04:44,056 INFO L225 Difference]: With dead ends: 26 [2020-12-09 14:04:44,056 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 14:04:44,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=9, Invalid=6, Unknown=3, NotChecked=12, Total=30 [2020-12-09 14:04:44,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 14:04:44,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2020-12-09 14:04:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 14:04:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-09 14:04:44,059 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2020-12-09 14:04:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:04:44,060 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-09 14:04:44,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 14:04:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-09 14:04:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-09 14:04:44,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:04:44,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:04:44,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 14:04:44,262 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:04:44,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:04:44,264 INFO L82 PathProgramCache]: Analyzing trace with hash -588057197, now seen corresponding path program 1 times [2020-12-09 14:04:44,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:04:44,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911936537] [2020-12-09 14:04:44,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 14:04:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:04:44,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 14:04:44,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:04:44,678 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-09 14:04:45,110 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-09 14:04:45,112 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 14:04:45,484 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-09 14:04:45,486 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-09 14:04:46,709 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 14:04:46,710 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 14:04:46,716 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-12-09 14:04:46,717 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:78, output treesize:78 [2020-12-09 14:04:47,684 WARN L197 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-09 14:04:47,713 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:04:48,732 WARN L197 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-09 14:04:48,760 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:04:49,071 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 14:04:49,072 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 14:04:49,073 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2020-12-09 14:04:49,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:04:49,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:04:49,083 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 14:04:49,118 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_2], 2=[v_arrayElimCell_1]} [2020-12-09 14:04:49,763 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-09 14:04:50,095 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 14:04:50,096 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 14:04:50,097 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2020-12-09 14:04:50,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:04:50,102 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:04:50,104 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 14:04:50,141 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 2=[v_arrayElimCell_3]} [2020-12-09 14:04:50,922 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-09 14:04:50,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:04:50,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:04:50,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911936537] [2020-12-09 14:04:50,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:04:50,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 14:04:50,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794573673] [2020-12-09 14:04:50,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 14:04:50,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:04:50,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 14:04:50,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=24, Unknown=5, NotChecked=0, Total=42 [2020-12-09 14:04:50,959 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 7 states. [2020-12-09 14:04:53,918 WARN L197 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-09 14:04:57,730 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 91 [2020-12-09 14:04:57,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:04:57,732 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-12-09 14:04:57,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 14:04:57,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-09 14:04:57,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:04:57,733 INFO L225 Difference]: With dead ends: 16 [2020-12-09 14:04:57,733 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 14:04:57,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=22, Invalid=40, Unknown=10, NotChecked=0, Total=72 [2020-12-09 14:04:57,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 14:04:57,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 14:04:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 14:04:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 14:04:57,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-12-09 14:04:57,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:04:57,735 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 14:04:57,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 14:04:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 14:04:57,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 14:04:57,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 14:04:57,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 14:04:58,764 WARN L197 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 15 [2020-12-09 14:05:01,847 WARN L197 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 7 [2020-12-09 14:05:09,637 WARN L197 SmtUtils]: Spent 7.53 s on a formula simplification. DAG size of input: 20 DAG size of output: 3 [2020-12-09 14:05:24,713 WARN L197 SmtUtils]: Spent 15.00 s on a formula simplification. DAG size of input: 101 DAG size of output: 77 [2020-12-09 14:05:24,716 INFO L262 CegarLoopResult]: For program point L168(lines 168 212) no Hoare annotation was computed. [2020-12-09 14:05:24,717 INFO L262 CegarLoopResult]: For program point L102(lines 102 113) no Hoare annotation was computed. [2020-12-09 14:05:24,717 INFO L262 CegarLoopResult]: For program point L36(lines 36 41) no Hoare annotation was computed. [2020-12-09 14:05:24,717 INFO L262 CegarLoopResult]: For program point L102-2(lines 102 113) no Hoare annotation was computed. [2020-12-09 14:05:24,717 INFO L258 CegarLoopResult]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2020-12-09 14:05:24,717 INFO L262 CegarLoopResult]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2020-12-09 14:05:24,717 INFO L262 CegarLoopResult]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2020-12-09 14:05:24,717 INFO L262 CegarLoopResult]: For program point L36-3(lines 36 41) no Hoare annotation was computed. [2020-12-09 14:05:24,718 INFO L262 CegarLoopResult]: For program point L36-5(lines 36 41) no Hoare annotation was computed. [2020-12-09 14:05:24,718 INFO L258 CegarLoopResult]: At program point L69-6(lines 69 79) the Hoare annotation is: false [2020-12-09 14:05:24,718 INFO L262 CegarLoopResult]: For program point L69-7(lines 69 79) no Hoare annotation was computed. [2020-12-09 14:05:24,718 INFO L262 CegarLoopResult]: For program point L169(lines 169 170) no Hoare annotation was computed. [2020-12-09 14:05:24,718 INFO L262 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-12-09 14:05:24,718 INFO L262 CegarLoopResult]: For program point L37-1(lines 37 40) no Hoare annotation was computed. [2020-12-09 14:05:24,718 INFO L265 CegarLoopResult]: At program point L236(lines 217 237) the Hoare annotation is: true [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L71(lines 71 75) no Hoare annotation was computed. [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L71-5(lines 71 75) no Hoare annotation was computed. [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2020-12-09 14:05:24,719 INFO L262 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2020-12-09 14:05:24,720 INFO L262 CegarLoopResult]: For program point L107-3(lines 107 112) no Hoare annotation was computed. [2020-12-09 14:05:24,720 INFO L262 CegarLoopResult]: For program point L108(lines 108 109) no Hoare annotation was computed. [2020-12-09 14:05:24,720 INFO L262 CegarLoopResult]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2020-12-09 14:05:24,720 INFO L262 CegarLoopResult]: For program point L108-3(lines 108 109) no Hoare annotation was computed. [2020-12-09 14:05:24,720 INFO L262 CegarLoopResult]: For program point L108-5(lines 108 109) no Hoare annotation was computed. [2020-12-09 14:05:24,720 INFO L262 CegarLoopResult]: For program point L44(lines 44 55) no Hoare annotation was computed. [2020-12-09 14:05:24,720 INFO L262 CegarLoopResult]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2020-12-09 14:05:24,720 INFO L262 CegarLoopResult]: For program point L44-3(lines 44 55) no Hoare annotation was computed. [2020-12-09 14:05:24,721 INFO L262 CegarLoopResult]: For program point L44-5(lines 44 55) no Hoare annotation was computed. [2020-12-09 14:05:24,721 INFO L258 CegarLoopResult]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2020-12-09 14:05:24,721 INFO L262 CegarLoopResult]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2020-12-09 14:05:24,721 INFO L258 CegarLoopResult]: At program point L45-6(lines 45 49) the Hoare annotation is: false [2020-12-09 14:05:24,721 INFO L262 CegarLoopResult]: For program point L45-7(lines 45 49) no Hoare annotation was computed. [2020-12-09 14:05:24,721 INFO L258 CegarLoopResult]: At program point L211(lines 144 213) the Hoare annotation is: (exists ((ULTIMATE.start___ieee754_acos_~x (_ FloatingPoint 11 53))) (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acos_~x ULTIMATE.start___ieee754_acos_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) [2020-12-09 14:05:24,721 INFO L262 CegarLoopResult]: For program point L180(lines 180 212) no Hoare annotation was computed. [2020-12-09 14:05:24,721 INFO L262 CegarLoopResult]: For program point L147-1(lines 147 151) no Hoare annotation was computed. [2020-12-09 14:05:24,722 INFO L258 CegarLoopResult]: At program point L147-2(lines 147 151) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (or (exists ((v_prenex_4 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acos_~x (fp.neg ((_ to_fp 11 53) v_prenex_4 1.0)))) (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))))) [2020-12-09 14:05:24,722 INFO L262 CegarLoopResult]: For program point L147-3(lines 147 151) no Hoare annotation was computed. [2020-12-09 14:05:24,722 INFO L258 CegarLoopResult]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2020-12-09 14:05:24,722 INFO L262 CegarLoopResult]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2020-12-09 14:05:24,722 INFO L258 CegarLoopResult]: At program point L82-6(lines 82 98) the Hoare annotation is: false [2020-12-09 14:05:24,722 INFO L262 CegarLoopResult]: For program point L82-7(lines 19 127) no Hoare annotation was computed. [2020-12-09 14:05:24,722 INFO L258 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) [2020-12-09 14:05:24,723 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2020-12-09 14:05:24,723 INFO L258 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2020-12-09 14:05:24,723 INFO L262 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2020-12-09 14:05:24,723 INFO L262 CegarLoopResult]: For program point L50-7(lines 50 51) no Hoare annotation was computed. [2020-12-09 14:05:24,723 INFO L258 CegarLoopResult]: At program point L50-8(lines 50 51) the Hoare annotation is: false [2020-12-09 14:05:24,723 INFO L262 CegarLoopResult]: For program point L50-9(lines 50 51) no Hoare annotation was computed. [2020-12-09 14:05:24,723 INFO L262 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-12-09 14:05:24,723 INFO L262 CegarLoopResult]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2020-12-09 14:05:24,723 INFO L262 CegarLoopResult]: For program point L117-3(lines 117 118) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point L117-5(lines 117 118) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point L85-3(lines 85 94) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point L85-5(lines 85 94) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point L153(lines 153 167) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point L87(lines 87 88) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L262 CegarLoopResult]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2020-12-09 14:05:24,724 INFO L258 CegarLoopResult]: At program point L120-2(lines 120 125) the Hoare annotation is: false [2020-12-09 14:05:24,725 INFO L262 CegarLoopResult]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2020-12-09 14:05:24,725 INFO L262 CegarLoopResult]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2020-12-09 14:05:24,725 INFO L262 CegarLoopResult]: For program point L87-3(lines 87 88) no Hoare annotation was computed. [2020-12-09 14:05:24,725 INFO L262 CegarLoopResult]: For program point L120-5(lines 120 125) no Hoare annotation was computed. [2020-12-09 14:05:24,725 INFO L262 CegarLoopResult]: For program point L87-5(lines 87 88) no Hoare annotation was computed. [2020-12-09 14:05:24,725 INFO L258 CegarLoopResult]: At program point L120-6(lines 120 125) the Hoare annotation is: false [2020-12-09 14:05:24,725 INFO L262 CegarLoopResult]: For program point L120-7(lines 120 125) no Hoare annotation was computed. [2020-12-09 14:05:24,725 INFO L262 CegarLoopResult]: For program point L155-1(lines 155 159) no Hoare annotation was computed. [2020-12-09 14:05:24,726 INFO L258 CegarLoopResult]: At program point L155-2(lines 155 159) the Hoare annotation is: (and (or (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (v_prenex_1 RoundingMode)) (and (fp.lt (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (fp.neg ((_ to_fp 11 53) v_prenex_1 1.0))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start___ieee754_acos_~hx~0))) (exists ((v_prenex_2 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (fp.gt (fp ((_ extract 63 63) v_prenex_2) ((_ extract 62 52) v_prenex_2) ((_ extract 51 0) v_prenex_2)) ((_ to_fp 11 53) currentRoundingMode 1.0)) (= ((_ extract 63 32) v_prenex_2) ULTIMATE.start___ieee754_acos_~hx~0)))) (exists ((v_prenex_5 (_ BitVec 64)) (v_prenex_6 (_ BitVec 32))) (let ((.cse1 (select |#memory_int| v_prenex_6))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start___ieee754_acos_~x (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5))) (= (bvand (_ bv2147483647 32) .cse0) ULTIMATE.start___ieee754_acos_~ix~0) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) v_prenex_5)) (= .cse0 ((_ extract 63 32) v_prenex_5)))))) (= currentRoundingMode roundNearestTiesToEven) (or (exists ((v_prenex_1 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acos_~x (fp.neg ((_ to_fp 11 53) v_prenex_1 1.0)))) (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0)))) (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6|))) (let ((.cse2 (select .cse3 (_ bv4 32)))) (and (= ULTIMATE.start___ieee754_acos_~x (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= .cse2 ULTIMATE.start___ieee754_acos_~hx~0) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_12|) (select .cse3 (_ bv0 32))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) .cse2)))))) [2020-12-09 14:05:24,726 INFO L262 CegarLoopResult]: For program point L155-3(lines 153 167) no Hoare annotation was computed. [2020-12-09 14:05:24,726 INFO L262 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2020-12-09 14:05:24,726 INFO L262 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2020-12-09 14:05:24,726 INFO L262 CegarLoopResult]: For program point L90-3(lines 90 91) no Hoare annotation was computed. [2020-12-09 14:05:24,726 INFO L262 CegarLoopResult]: For program point L90-5(lines 90 91) no Hoare annotation was computed. [2020-12-09 14:05:24,726 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 14:05:24,726 INFO L262 CegarLoopResult]: For program point L58(lines 58 61) no Hoare annotation was computed. [2020-12-09 14:05:24,726 INFO L262 CegarLoopResult]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2020-12-09 14:05:24,727 INFO L262 CegarLoopResult]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2020-12-09 14:05:24,727 INFO L258 CegarLoopResult]: At program point L25-2(lines 25 30) the Hoare annotation is: false [2020-12-09 14:05:24,727 INFO L262 CegarLoopResult]: For program point L58-3(lines 58 61) no Hoare annotation was computed. [2020-12-09 14:05:24,727 INFO L262 CegarLoopResult]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2020-12-09 14:05:24,727 INFO L262 CegarLoopResult]: For program point L58-5(lines 58 61) no Hoare annotation was computed. [2020-12-09 14:05:24,727 INFO L262 CegarLoopResult]: For program point L25-5(lines 25 30) no Hoare annotation was computed. [2020-12-09 14:05:24,727 INFO L258 CegarLoopResult]: At program point L25-6(lines 25 30) the Hoare annotation is: false [2020-12-09 14:05:24,727 INFO L262 CegarLoopResult]: For program point L25-7(lines 19 127) no Hoare annotation was computed. [2020-12-09 14:05:24,727 INFO L262 CegarLoopResult]: For program point L225(lines 225 234) no Hoare annotation was computed. [2020-12-09 14:05:24,727 INFO L262 CegarLoopResult]: For program point L225-2(lines 225 234) no Hoare annotation was computed. [2020-12-09 14:05:24,728 INFO L258 CegarLoopResult]: At program point L126(lines 19 127) the Hoare annotation is: false [2020-12-09 14:05:24,728 INFO L258 CegarLoopResult]: At program point L126-1(lines 19 127) the Hoare annotation is: false [2020-12-09 14:05:24,728 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 14:05:24,728 INFO L262 CegarLoopResult]: For program point L161(lines 161 164) no Hoare annotation was computed. [2020-12-09 14:05:24,728 INFO L262 CegarLoopResult]: For program point L196-1(lines 196 201) no Hoare annotation was computed. [2020-12-09 14:05:24,728 INFO L258 CegarLoopResult]: At program point L196-2(lines 196 201) the Hoare annotation is: false [2020-12-09 14:05:24,728 INFO L262 CegarLoopResult]: For program point L196-3(lines 196 201) no Hoare annotation was computed. [2020-12-09 14:05:24,728 INFO L262 CegarLoopResult]: For program point L230(lines 230 233) no Hoare annotation was computed. [2020-12-09 14:05:24,728 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 14:05:24,728 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 231) no Hoare annotation was computed. [2020-12-09 14:05:24,729 INFO L262 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-12-09 14:05:24,729 INFO L262 CegarLoopResult]: For program point L100(lines 100 114) no Hoare annotation was computed. [2020-12-09 14:05:24,729 INFO L262 CegarLoopResult]: For program point L100-1(lines 100 114) no Hoare annotation was computed. [2020-12-09 14:05:24,738 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-12-09 14:05:24,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,745 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-12-09 14:05:24,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,747 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,747 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,747 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 14:05:24,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 14:05:24,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 14:05:24,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 14:05:24,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:05:24 BoogieIcfgContainer [2020-12-09 14:05:24,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:05:24,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:05:24,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:05:24,762 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:05:24,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:03:19" (3/4) ... [2020-12-09 14:05:24,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 14:05:24,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-09 14:05:24,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-09 14:05:24,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 14:05:24,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 14:05:24,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((\exists v_prenex_4 : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_4, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) [2020-12-09 14:05:24,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_skolemized_q#valueAsBitvector_11 : bv64, v_prenex_1 : FloatRoundingMode :: ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))) && v_skolemized_q#valueAsBitvector_11[63:32] == hx) || (\exists v_prenex_2 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_prenex_2[63:63], v_prenex_2[62:52], v_prenex_2[51:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) && v_prenex_2[63:32] == hx)) && (\exists v_prenex_5 : bv64, v_prenex_6 : bv32 :: ((x == ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_prenex_6][4bv32]) == ix) && unknown-#memory_int-unknown[v_prenex_6][0bv32] == v_prenex_5[31:0]) && unknown-#memory_int-unknown[v_prenex_6][4bv32] == v_prenex_5[63:32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6][4bv32] == hx) && v_skolemized_q#valueAsBitvector_12[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6][0bv32]) && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6][4bv32]) [2020-12-09 14:05:24,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start___ieee754_acos_~x : C_DOUBLE :: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acos_~x, ULTIMATE.start___ieee754_acos_~x), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acos_~x, ULTIMATE.start___ieee754_acos_~x))) [2020-12-09 14:05:24,799 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1bv32 == \result [2020-12-09 14:05:24,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f20f997-faf3-4ffb-81b3-ff3bba7f4b0f/bin/utaipan/witness.graphml [2020-12-09 14:05:24,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:05:24,854 INFO L168 Benchmark]: Toolchain (without parser) took 156394.16 ms. Allocated memory is still 60.8 MB. Free memory was 46.1 MB in the beginning and 26.5 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:05:24,854 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:05:24,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.70 ms. Allocated memory is still 60.8 MB. Free memory was 45.9 MB in the beginning and 39.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 14:05:24,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.13 ms. Allocated memory is still 60.8 MB. Free memory was 39.1 MB in the beginning and 36.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 14:05:24,855 INFO L168 Benchmark]: Boogie Preprocessor took 40.03 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 33.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 14:05:24,855 INFO L168 Benchmark]: RCFGBuilder took 31112.72 ms. Allocated memory is still 60.8 MB. Free memory was 33.4 MB in the beginning and 37.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-12-09 14:05:24,856 INFO L168 Benchmark]: TraceAbstraction took 124855.83 ms. Allocated memory is still 60.8 MB. Free memory was 36.6 MB in the beginning and 36.2 MB in the end (delta: 411.4 kB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:05:24,856 INFO L168 Benchmark]: Witness Printer took 91.59 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 26.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:05:24,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 246.70 ms. Allocated memory is still 60.8 MB. Free memory was 45.9 MB in the beginning and 39.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.13 ms. Allocated memory is still 60.8 MB. Free memory was 39.1 MB in the beginning and 36.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.03 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 33.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 31112.72 ms. Allocated memory is still 60.8 MB. Free memory was 33.4 MB in the beginning and 37.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 124855.83 ms. Allocated memory is still 60.8 MB. Free memory was 36.6 MB in the beginning and 36.2 MB in the end (delta: 411.4 kB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Witness Printer took 91.59 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 26.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 231]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant [2020-12-09 14:05:24,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-12-09 14:05:24,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-12-09 14:05:24,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((\exists v_prenex_4 : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_4, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2020-12-09 14:05:24,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,865 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,865 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] [2020-12-09 14:05:24,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acos_~x,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start___ieee754_acos_~x : C_DOUBLE :: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acos_~x, ULTIMATE.start___ieee754_acos_~x), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acos_~x, ULTIMATE.start___ieee754_acos_~x))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 14:05:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 14:05:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-12-09 14:05:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] [2020-12-09 14:05:24,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 14:05:24,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6,QUANTIFIED] Derived loop invariant: (((((\exists v_skolemized_q#valueAsBitvector_11 : bv64, v_prenex_1 : FloatRoundingMode :: ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))) && v_skolemized_q#valueAsBitvector_11[63:32] == hx) || (\exists v_prenex_2 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_prenex_2[63:63], v_prenex_2[62:52], v_prenex_2[51:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) && v_prenex_2[63:32] == hx)) && (\exists v_prenex_5 : bv64, v_prenex_6 : bv32 :: ((x == ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_prenex_6][4bv32]) == ix) && unknown-#memory_int-unknown[v_prenex_6][0bv32] == v_prenex_5[31:0]) && unknown-#memory_int-unknown[v_prenex_6][4bv32] == v_prenex_5[63:32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6][4bv32] == hx) && v_skolemized_q#valueAsBitvector_12[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6][0bv32]) && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~0.base_6][4bv32]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 97.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 52.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 55 SDslu, 50 SDs, 0 SdLazy, 23 SolverSat, 0 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 58.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 25 NumberOfFragments, 174 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 191 FormulaSimplificationTreeSizeReductionInter, 26.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 42.9s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 14 QuantifiedInterpolants, 12640 SizeOfPredicates, 22 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...