./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7 --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 b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:40:34,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:40:34,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:40:34,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:40:34,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:40:34,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:40:34,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:40:34,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:40:34,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:40:34,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:40:34,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:40:34,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:40:34,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:40:34,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:40:34,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:40:34,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:40:34,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:40:34,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:40:34,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:40:34,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:40:34,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:40:34,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:40:34,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:40:34,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:40:34,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:40:34,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:40:34,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:40:34,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:40:34,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:40:34,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:40:34,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:40:34,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:40:34,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:40:34,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:40:34,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:40:34,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:40:34,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:40:34,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:40:34,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:40:34,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:40:34,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:40:34,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:40:34,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:40:34,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:40:34,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:40:34,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:40:34,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:40:34,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:40:34,617 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:40:34,617 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:40:34,617 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:40:34,617 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:40:34,618 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:40:34,618 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:40:34,618 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:40:34,619 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:40:34,619 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:40:34,619 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:40:34,619 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:40:34,620 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:40:34,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:40:34,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:40:34,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:40:34,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:40:34,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:40:34,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:40:34,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:40:34,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:40:34,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:40:34,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:40:34,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:40:34,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:40:34,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:40:34,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:40:34,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:40:34,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:40:34,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:40:34,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:40:34,625 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:40:34,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:40:34,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:40:34,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:40:34,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:40:34,626 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd [2021-11-25 20:40:34,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:40:34,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:40:34,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:40:34,930 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:40:34,930 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:40:34,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2021-11-25 20:40:35,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data/ac28d1a75/78f2529ff54445f2b63965f66fba6f91/FLAGb60cd5489 [2021-11-25 20:40:35,637 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:40:35,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2021-11-25 20:40:35,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data/ac28d1a75/78f2529ff54445f2b63965f66fba6f91/FLAGb60cd5489 [2021-11-25 20:40:35,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data/ac28d1a75/78f2529ff54445f2b63965f66fba6f91 [2021-11-25 20:40:35,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:40:35,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:40:35,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:40:35,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:40:35,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:40:35,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:40:35" (1/1) ... [2021-11-25 20:40:35,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3795b7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:35, skipping insertion in model container [2021-11-25 20:40:35,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:40:35" (1/1) ... [2021-11-25 20:40:35,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:40:35,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:40:36,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2021-11-25 20:40:36,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:40:36,378 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:40:36,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2021-11-25 20:40:36,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:40:36,539 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:40:36,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36 WrapperNode [2021-11-25 20:40:36,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:40:36,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:40:36,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:40:36,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:40:36,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,681 INFO L137 Inliner]: procedures = 25, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1066 [2021-11-25 20:40:36,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:40:36,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:40:36,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:40:36,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:40:36,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:40:36,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:40:36,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:40:36,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:40:36,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (1/1) ... [2021-11-25 20:40:36,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:40:36,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:40:36,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:40:36,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:40:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:40:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:40:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 20:40:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:40:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-25 20:40:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-25 20:40:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-25 20:40:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-25 20:40:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-25 20:40:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:40:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 20:40:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-25 20:40:36,934 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-25 20:40:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:40:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2021-11-25 20:40:36,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2021-11-25 20:40:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:40:36,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:40:36,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:40:37,184 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:40:37,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:40:38,229 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:40:38,500 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:40:38,501 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-25 20:40:38,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:40:38 BoogieIcfgContainer [2021-11-25 20:40:38,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:40:38,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:40:38,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:40:38,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:40:38,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:40:35" (1/3) ... [2021-11-25 20:40:38,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6c05ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:40:38, skipping insertion in model container [2021-11-25 20:40:38,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:36" (2/3) ... [2021-11-25 20:40:38,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6c05ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:40:38, skipping insertion in model container [2021-11-25 20:40:38,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:40:38" (3/3) ... [2021-11-25 20:40:38,514 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530a.c [2021-11-25 20:40:38,524 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:40:38,525 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:40:38,569 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:40:38,577 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:40:38,577 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:40:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 151 states have internal predecessors, (254), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 20:40:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 20:40:38,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:40:38,605 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:40:38,605 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:40:38,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:40:38,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1439887409, now seen corresponding path program 1 times [2021-11-25 20:40:38,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:40:38,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304174251] [2021-11-25 20:40:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:40:38,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:40:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:40:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:40:38,951 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:40:38,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304174251] [2021-11-25 20:40:38,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304174251] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:40:38,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:40:38,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:40:38,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140495966] [2021-11-25 20:40:38,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:40:38,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 20:40:38,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:40:38,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 20:40:38,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:40:38,991 INFO L87 Difference]: Start difference. First operand has 167 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 151 states have internal predecessors, (254), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:40:39,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:40:39,163 INFO L93 Difference]: Finished difference Result 333 states and 562 transitions. [2021-11-25 20:40:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 20:40:39,166 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 20:40:39,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:40:39,177 INFO L225 Difference]: With dead ends: 333 [2021-11-25 20:40:39,177 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 20:40:39,183 INFO L932 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 [2021-11-25 20:40:39,187 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:40:39,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:40:39,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 20:40:39,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-25 20:40:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 149 states have (on average 1.3691275167785235) internal successors, (204), 149 states have internal predecessors, (204), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 20:40:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2021-11-25 20:40:39,243 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 9 [2021-11-25 20:40:39,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:40:39,244 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2021-11-25 20:40:39,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:40:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2021-11-25 20:40:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 20:40:39,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:40:39,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:40:39,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:40:39,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:40:39,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:40:39,247 INFO L85 PathProgramCache]: Analyzing trace with hash -364122791, now seen corresponding path program 1 times [2021-11-25 20:40:39,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:40:39,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931852510] [2021-11-25 20:40:39,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:40:39,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:40:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:40:39,475 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 20:40:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:40:39,615 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 20:40:39,616 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 20:40:39,618 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:40:39,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:40:39,624 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 20:40:39,627 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:40:39,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:40:39 BoogieIcfgContainer [2021-11-25 20:40:39,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:40:39,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:40:39,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:40:39,713 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:40:39,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:40:38" (3/4) ... [2021-11-25 20:40:39,719 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 20:40:39,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:40:39,722 INFO L158 Benchmark]: Toolchain (without parser) took 3802.38ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 85.7MB in the beginning and 107.2MB in the end (delta: -21.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-25 20:40:39,723 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:40:39,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.19ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 77.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 20:40:39,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.86ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 70.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:40:39,732 INFO L158 Benchmark]: Boogie Preprocessor took 159.07ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 63.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:40:39,733 INFO L158 Benchmark]: RCFGBuilder took 1662.14ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 63.7MB in the beginning and 102.6MB in the end (delta: -38.9MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-11-25 20:40:39,734 INFO L158 Benchmark]: TraceAbstraction took 1204.12ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 108.3MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:40:39,735 INFO L158 Benchmark]: Witness Printer took 8.51ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:40:39,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.19ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 77.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.86ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 70.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.07ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 63.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1662.14ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 63.7MB in the beginning and 102.6MB in the end (delta: -38.9MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1204.12ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 108.3MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.51ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 629]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 497, overapproximation of bitwiseAnd at line 591, overapproximation of someBinaryArithmeticFLOAToperation at line 596. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L149] static const int init_jk_krempio[] = {4, 7, 9}; [L151-L155] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L334-L352] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L354-L360] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L624] float x = 0.0f; [L625] CALL, EXPR tan_float(x) [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L586] ieee_float_shape_type gf_u; [L587] gf_u.value = (x) [L588] EXPR gf_u.word [L588] (ix) = gf_u.word [L591] ix &= 0x7fffffff VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L592] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND TRUE !((ix) < 0x7f800000L) [L596] return x - x; [L596] return x - x; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR tan_float(x) [L625] float res = tan_float(x); [L628] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, res == 0.0f && __signbit_float(res) == 0=0, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L629] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 167 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 175 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 175 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=167occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2021-11-25 20:40:39,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7 --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 b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:40:42,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:40:42,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:40:42,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:40:42,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:40:42,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:40:42,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:40:42,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:40:42,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:40:42,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:40:42,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:40:42,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:40:42,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:40:42,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:40:42,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:40:42,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:40:42,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:40:42,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:40:42,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:40:42,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:40:42,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:40:42,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:40:42,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:40:42,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:40:42,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:40:42,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:40:42,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:40:42,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:40:42,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:40:42,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:40:42,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:40:42,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:40:42,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:40:42,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:40:42,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:40:42,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:40:42,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:40:42,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:40:42,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:40:42,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:40:42,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:40:42,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 20:40:42,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:40:42,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:40:42,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:40:42,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:40:42,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:40:42,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:40:42,382 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:40:42,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:40:42,383 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:40:42,383 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:40:42,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:40:42,383 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:40:42,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:40:42,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:40:42,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:40:42,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:40:42,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:40:42,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:40:42,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:40:42,386 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:40:42,386 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 20:40:42,386 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 20:40:42,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:40:42,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:40:42,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:40:42,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:40:42,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:40:42,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 20:40:42,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:40:42,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:40:42,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:40:42,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:40:42,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:40:42,389 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 20:40:42,389 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 20:40:42,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:40:42,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:40:42,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:40:42,390 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd [2021-11-25 20:40:42,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:40:42,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:40:42,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:40:42,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:40:42,843 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:40:42,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2021-11-25 20:40:42,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data/4702ce3b8/493b53faa2434aa28e382f9a084faa3a/FLAG8f746548d [2021-11-25 20:40:43,456 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:40:43,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2021-11-25 20:40:43,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data/4702ce3b8/493b53faa2434aa28e382f9a084faa3a/FLAG8f746548d [2021-11-25 20:40:43,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/data/4702ce3b8/493b53faa2434aa28e382f9a084faa3a [2021-11-25 20:40:43,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:40:43,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:40:43,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:40:43,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:40:43,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:40:43,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:40:43" (1/1) ... [2021-11-25 20:40:43,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abc72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:43, skipping insertion in model container [2021-11-25 20:40:43,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:40:43" (1/1) ... [2021-11-25 20:40:43,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:40:43,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:40:44,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2021-11-25 20:40:44,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:40:44,377 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:40:44,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2021-11-25 20:40:44,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:40:44,603 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:40:44,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44 WrapperNode [2021-11-25 20:40:44,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:40:44,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:40:44,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:40:44,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:40:44,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,758 INFO L137 Inliner]: procedures = 29, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1064 [2021-11-25 20:40:44,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:40:44,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:40:44,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:40:44,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:40:44,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:40:44,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:40:44,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:40:44,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:40:44,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (1/1) ... [2021-11-25 20:40:44,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:40:44,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:40:44,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:40:44,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:40:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:40:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 20:40:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 20:40:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:40:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-25 20:40:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-25 20:40:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-25 20:40:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 20:40:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-25 20:40:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-25 20:40:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-25 20:40:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-25 20:40:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-25 20:40:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-25 20:40:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2021-11-25 20:40:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2021-11-25 20:40:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:40:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:40:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 20:40:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:40:45,300 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:40:45,302 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:41:22,946 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:41:22,955 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:41:22,956 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-25 20:41:22,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:41:22 BoogieIcfgContainer [2021-11-25 20:41:22,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:41:22,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:41:22,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:41:22,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:41:22,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:40:43" (1/3) ... [2021-11-25 20:41:22,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c8e038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:41:22, skipping insertion in model container [2021-11-25 20:41:22,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:40:44" (2/3) ... [2021-11-25 20:41:22,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c8e038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:41:22, skipping insertion in model container [2021-11-25 20:41:22,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:41:22" (3/3) ... [2021-11-25 20:41:22,967 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530a.c [2021-11-25 20:41:22,973 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:41:22,973 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:41:23,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:41:23,042 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:41:23,043 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:41:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 20:41:23,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 20:41:23,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:23,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:23,073 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:41:23,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:23,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1661351645, now seen corresponding path program 1 times [2021-11-25 20:41:23,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:41:23,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269894761] [2021-11-25 20:41:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:23,096 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:41:23,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:41:23,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:41:23,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 20:41:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:41:24,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 20:41:24,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:41:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:41:24,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:41:24,853 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:41:24,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269894761] [2021-11-25 20:41:24,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269894761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:41:24,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:41:24,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:41:24,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084265683] [2021-11-25 20:41:24,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:41:24,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 20:41:24,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:41:24,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 20:41:24,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:41:24,919 INFO L87 Difference]: Start difference. First operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:41:24,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:41:24,982 INFO L93 Difference]: Finished difference Result 492 states and 821 transitions. [2021-11-25 20:41:24,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 20:41:24,984 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 20:41:24,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:41:24,998 INFO L225 Difference]: With dead ends: 492 [2021-11-25 20:41:24,998 INFO L226 Difference]: Without dead ends: 244 [2021-11-25 20:41:25,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:41:25,009 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:41:25,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 20:41:25,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-11-25 20:41:25,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2021-11-25 20:41:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 228 states have (on average 1.381578947368421) internal successors, (315), 228 states have internal predecessors, (315), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 20:41:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 337 transitions. [2021-11-25 20:41:25,072 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 337 transitions. Word has length 10 [2021-11-25 20:41:25,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:41:25,073 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 337 transitions. [2021-11-25 20:41:25,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:41:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 337 transitions. [2021-11-25 20:41:25,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 20:41:25,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:25,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:25,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-25 20:41:25,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:41:25,280 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:41:25,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:25,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1285007371, now seen corresponding path program 1 times [2021-11-25 20:41:25,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:41:25,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894122250] [2021-11-25 20:41:25,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:25,281 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:41:25,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:41:25,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:41:25,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 20:41:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:41:26,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 20:41:26,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:41:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:41:27,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:41:27,157 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:41:27,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894122250] [2021-11-25 20:41:27,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894122250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:41:27,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:41:27,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:41:27,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267090554] [2021-11-25 20:41:27,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:41:27,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:41:27,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:41:27,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:41:27,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:41:27,161 INFO L87 Difference]: Start difference. First operand 244 states and 337 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:41:27,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:41:27,325 INFO L93 Difference]: Finished difference Result 290 states and 390 transitions. [2021-11-25 20:41:27,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:41:27,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 20:41:27,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:41:27,328 INFO L225 Difference]: With dead ends: 290 [2021-11-25 20:41:27,328 INFO L226 Difference]: Without dead ends: 54 [2021-11-25 20:41:27,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:41:27,333 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 24 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:41:27,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 151 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:41:27,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-25 20:41:27,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-25 20:41:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:41:27,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2021-11-25 20:41:27,348 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 11 [2021-11-25 20:41:27,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:41:27,348 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2021-11-25 20:41:27,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:41:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2021-11-25 20:41:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 20:41:27,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:27,349 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:27,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:41:27,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:41:27,550 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:41:27,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:27,551 INFO L85 PathProgramCache]: Analyzing trace with hash 632012606, now seen corresponding path program 1 times [2021-11-25 20:41:27,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:41:27,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052474924] [2021-11-25 20:41:27,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:27,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:41:27,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:41:27,554 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:41:27,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 20:41:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:41:30,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:41:30,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:41:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:41:31,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:41:31,455 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:41:31,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052474924] [2021-11-25 20:41:31,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052474924] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:41:31,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:41:31,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 20:41:31,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407184499] [2021-11-25 20:41:31,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:41:31,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 20:41:31,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:41:31,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 20:41:31,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:41:31,458 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:32,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:41:32,543 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2021-11-25 20:41:32,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:41:32,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-25 20:41:32,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:41:32,581 INFO L225 Difference]: With dead ends: 82 [2021-11-25 20:41:32,581 INFO L226 Difference]: Without dead ends: 54 [2021-11-25 20:41:32,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:41:32,584 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 31 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:41:32,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 299 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 25 Unchecked, 0.7s Time] [2021-11-25 20:41:32,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-25 20:41:32,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-25 20:41:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:41:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2021-11-25 20:41:32,597 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 22 [2021-11-25 20:41:32,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:41:32,601 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2021-11-25 20:41:32,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:32,602 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2021-11-25 20:41:32,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 20:41:32,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:32,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:32,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:41:32,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:41:32,804 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:41:32,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:32,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2039574363, now seen corresponding path program 1 times [2021-11-25 20:41:32,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:41:32,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638648150] [2021-11-25 20:41:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:32,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:41:32,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:41:32,808 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:41:32,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 20:41:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:41:35,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 20:41:35,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:41:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:41:36,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:41:36,466 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:41:36,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638648150] [2021-11-25 20:41:36,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [638648150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:41:36,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:41:36,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:41:36,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306274858] [2021-11-25 20:41:36,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:41:36,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:41:36,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:41:36,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:41:36,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:41:36,469 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:39,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:40,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:44,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:45,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:47,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:41:47,475 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2021-11-25 20:41:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:41:47,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-25 20:41:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:41:47,478 INFO L225 Difference]: With dead ends: 68 [2021-11-25 20:41:47,478 INFO L226 Difference]: Without dead ends: 38 [2021-11-25 20:41:47,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:41:47,480 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 38 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:41:47,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 157 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2021-11-25 20:41:47,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-25 20:41:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-11-25 20:41:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:41:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2021-11-25 20:41:47,485 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 23 [2021-11-25 20:41:47,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:41:47,485 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2021-11-25 20:41:47,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-11-25 20:41:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 20:41:47,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:47,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:47,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:41:47,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:41:47,699 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:41:47,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:47,700 INFO L85 PathProgramCache]: Analyzing trace with hash 521946787, now seen corresponding path program 1 times [2021-11-25 20:41:47,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:41:47,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412426687] [2021-11-25 20:41:47,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:47,701 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:41:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:41:47,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:41:47,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 20:41:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:41:49,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:41:49,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:41:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:41:49,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:41:49,984 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:41:49,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412426687] [2021-11-25 20:41:49,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412426687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:41:49,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:41:49,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 20:41:49,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955190702] [2021-11-25 20:41:49,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:41:49,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 20:41:49,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:41:49,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 20:41:49,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:41:49,986 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:54,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:54,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:41:54,198 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2021-11-25 20:41:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 20:41:54,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-25 20:41:54,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:41:54,199 INFO L225 Difference]: With dead ends: 54 [2021-11-25 20:41:54,200 INFO L226 Difference]: Without dead ends: 51 [2021-11-25 20:41:54,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-25 20:41:54,201 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:41:54,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 215 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 20:41:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-25 20:41:54,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2021-11-25 20:41:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 20:41:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2021-11-25 20:41:54,208 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2021-11-25 20:41:54,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:41:54,208 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2021-11-25 20:41:54,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2021-11-25 20:41:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 20:41:54,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:54,210 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:54,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-25 20:41:54,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:41:54,410 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:41:54,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:54,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1202005157, now seen corresponding path program 1 times [2021-11-25 20:41:54,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:41:54,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509198395] [2021-11-25 20:41:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:54,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:41:54,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:41:54,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:41:54,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-25 20:41:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:41:56,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:41:56,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:41:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:41:56,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:41:56,294 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:41:56,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509198395] [2021-11-25 20:41:56,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509198395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:41:56,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:41:56,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:41:56,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187842502] [2021-11-25 20:41:56,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:41:56,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:41:56,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:41:56,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:41:56,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:41:56,296 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:58,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:58,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:41:58,647 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2021-11-25 20:41:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:41:58,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-25 20:41:58,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:41:58,649 INFO L225 Difference]: With dead ends: 53 [2021-11-25 20:41:58,649 INFO L226 Difference]: Without dead ends: 28 [2021-11-25 20:41:58,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:41:58,651 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:41:58,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 92 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 20:41:58,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-25 20:41:58,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-25 20:41:58,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:58,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-11-25 20:41:58,655 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 23 [2021-11-25 20:41:58,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:41:58,655 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-11-25 20:41:58,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:41:58,656 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-11-25 20:41:58,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 20:41:58,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:58,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:58,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-25 20:41:58,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:41:58,871 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:41:58,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:58,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1963668792, now seen corresponding path program 1 times [2021-11-25 20:41:58,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:41:58,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282338198] [2021-11-25 20:41:58,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:58,873 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:41:58,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:41:58,874 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:41:58,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-25 20:42:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:42:00,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-25 20:42:00,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:42:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:42:01,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:42:01,953 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:42:01,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282338198] [2021-11-25 20:42:01,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282338198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:42:01,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:42:01,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 20:42:01,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571830872] [2021-11-25 20:42:01,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:42:01,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:42:01,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:42:01,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:42:01,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-11-25 20:42:01,956 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:42:04,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:42:04,554 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-11-25 20:42:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 20:42:04,555 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2021-11-25 20:42:04,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:42:04,555 INFO L225 Difference]: With dead ends: 28 [2021-11-25 20:42:04,556 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 20:42:04,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-11-25 20:42:04,557 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:42:04,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 130 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:42:04,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 20:42:04,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 20:42:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:42:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 20:42:04,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-25 20:42:04,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:42:04,560 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 20:42:04,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:42:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 20:42:04,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 20:42:04,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:42:04,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-25 20:42:04,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:42:04,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 20:42:06,217 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 59 77) no Hoare annotation was computed. [2021-11-25 20:42:06,217 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 59 77) no Hoare annotation was computed. [2021-11-25 20:42:06,217 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-11-25 20:42:06,217 INFO L858 garLoopResultBuilder]: For program point L71-1(lines 59 77) no Hoare annotation was computed. [2021-11-25 20:42:06,217 INFO L858 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-11-25 20:42:06,217 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-11-25 20:42:06,217 INFO L861 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: true [2021-11-25 20:42:06,217 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 59 77) the Hoare annotation is: true [2021-11-25 20:42:06,218 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 59 77) no Hoare annotation was computed. [2021-11-25 20:42:06,218 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-25 20:42:06,218 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 517) no Hoare annotation was computed. [2021-11-25 20:42:06,218 INFO L858 garLoopResultBuilder]: For program point L510-2(lines 501 579) no Hoare annotation was computed. [2021-11-25 20:42:06,218 INFO L858 garLoopResultBuilder]: For program point __kernel_tanfFINAL(lines 501 579) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 522) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L858 garLoopResultBuilder]: For program point L519-2(lines 519 522) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L858 garLoopResultBuilder]: For program point L515-2(line 515) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 516) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L858 garLoopResultBuilder]: For program point __kernel_tanfEXIT(lines 501 579) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L861 garLoopResultBuilder]: At program point __kernel_tanfENTRY(lines 501 579) the Hoare annotation is: true [2021-11-25 20:42:06,219 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 515) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L858 garLoopResultBuilder]: For program point L504-1(lines 504 508) no Hoare annotation was computed. [2021-11-25 20:42:06,219 INFO L854 garLoopResultBuilder]: At program point L504-2(lines 504 508) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|)) [2021-11-25 20:42:06,220 INFO L858 garLoopResultBuilder]: For program point L504-3(lines 504 508) no Hoare annotation was computed. [2021-11-25 20:42:06,220 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 566 570) no Hoare annotation was computed. [2021-11-25 20:42:06,220 INFO L854 garLoopResultBuilder]: At program point L566-2(lines 566 570) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2021-11-25 20:42:06,220 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 554 558) no Hoare annotation was computed. [2021-11-25 20:42:06,220 INFO L854 garLoopResultBuilder]: At program point L554-2(lines 554 558) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2021-11-25 20:42:06,221 INFO L854 garLoopResultBuilder]: At program point L513(line 513) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|) (not (= (_ bv1 32) |__kernel_tanf_#in~iy|))) [2021-11-25 20:42:06,221 INFO L858 garLoopResultBuilder]: For program point L513-1(line 513) no Hoare annotation was computed. [2021-11-25 20:42:06,221 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2021-11-25 20:42:06,221 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-11-25 20:42:06,221 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 549 578) no Hoare annotation was computed. [2021-11-25 20:42:06,221 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 549 578) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L559-2(lines 559 563) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 518 527) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 578) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 134 147) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 134 147) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 134 147) the Hoare annotation is: true [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 134 147) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2021-11-25 20:42:06,222 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L861 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: true [2021-11-25 20:42:06,223 INFO L854 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: false [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L300-2(lines 300 301) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L854 garLoopResultBuilder]: At program point L300-3(lines 300 301) the Hoare annotation is: false [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L300-4(lines 290 330) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 452) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 421 453) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 275) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 236) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L854 garLoopResultBuilder]: At program point L268-2(lines 259 276) the Hoare annotation is: false [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2021-11-25 20:42:06,223 INFO L858 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2021-11-25 20:42:06,224 INFO L854 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: false [2021-11-25 20:42:06,224 INFO L858 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2021-11-25 20:42:06,224 INFO L861 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2021-11-25 20:42:06,224 INFO L854 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: false [2021-11-25 20:42:06,224 INFO L858 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2021-11-25 20:42:06,224 INFO L854 garLoopResultBuilder]: At program point L600-2(lines 581 602) the Hoare annotation is: (and (= |ULTIMATE.start_tan_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start_tan_float_#res#1| (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start_tan_float_~ix~6#1|) ((_ extract 30 23) |ULTIMATE.start_tan_float_~ix~6#1|) ((_ extract 22 0) |ULTIMATE.start_tan_float_~ix~6#1|)) (_ +zero 8 24))) [2021-11-25 20:42:06,224 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed. [2021-11-25 20:42:06,225 INFO L858 garLoopResultBuilder]: For program point L171-2(lines 171 172) no Hoare annotation was computed. [2021-11-25 20:42:06,225 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed. [2021-11-25 20:42:06,225 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2021-11-25 20:42:06,225 INFO L854 garLoopResultBuilder]: At program point L469-2(lines 469 473) the Hoare annotation is: false [2021-11-25 20:42:06,225 INFO L858 garLoopResultBuilder]: For program point L469-3(lines 469 473) no Hoare annotation was computed. [2021-11-25 20:42:06,225 INFO L858 garLoopResultBuilder]: For program point L304-2(lines 304 305) no Hoare annotation was computed. [2021-11-25 20:42:06,226 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 208) no Hoare annotation was computed. [2021-11-25 20:42:06,226 INFO L854 garLoopResultBuilder]: At program point L304-3(lines 304 305) the Hoare annotation is: false [2021-11-25 20:42:06,226 INFO L858 garLoopResultBuilder]: For program point L304-4(lines 290 330) no Hoare annotation was computed. [2021-11-25 20:42:06,226 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2021-11-25 20:42:06,226 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 40 41) no Hoare annotation was computed. [2021-11-25 20:42:06,226 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 411) no Hoare annotation was computed. [2021-11-25 20:42:06,226 INFO L858 garLoopResultBuilder]: For program point L404-2(lines 404 411) no Hoare annotation was computed. [2021-11-25 20:42:06,226 INFO L858 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2021-11-25 20:42:06,227 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 208) no Hoare annotation was computed. [2021-11-25 20:42:06,228 INFO L858 garLoopResultBuilder]: For program point L240-1(lines 162 332) no Hoare annotation was computed. [2021-11-25 20:42:06,228 INFO L858 garLoopResultBuilder]: For program point L207-2(lines 162 332) no Hoare annotation was computed. [2021-11-25 20:42:06,228 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2021-11-25 20:42:06,228 INFO L854 garLoopResultBuilder]: At program point L439-2(lines 439 443) the Hoare annotation is: false [2021-11-25 20:42:06,228 INFO L858 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2021-11-25 20:42:06,228 INFO L858 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2021-11-25 20:42:06,229 INFO L858 garLoopResultBuilder]: For program point L242-2(lines 242 243) no Hoare annotation was computed. [2021-11-25 20:42:06,229 INFO L854 garLoopResultBuilder]: At program point L242-3(lines 242 243) the Hoare annotation is: false [2021-11-25 20:42:06,229 INFO L858 garLoopResultBuilder]: For program point L242-4(lines 240 257) no Hoare annotation was computed. [2021-11-25 20:42:06,229 INFO L858 garLoopResultBuilder]: For program point L474-2(lines 474 477) no Hoare annotation was computed. [2021-11-25 20:42:06,229 INFO L854 garLoopResultBuilder]: At program point L474-3(lines 474 477) the Hoare annotation is: false [2021-11-25 20:42:06,230 INFO L858 garLoopResultBuilder]: For program point L474-4(lines 474 477) no Hoare annotation was computed. [2021-11-25 20:42:06,230 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 313) no Hoare annotation was computed. [2021-11-25 20:42:06,230 INFO L858 garLoopResultBuilder]: For program point L210(lines 162 332) no Hoare annotation was computed. [2021-11-25 20:42:06,230 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 313) the Hoare annotation is: false [2021-11-25 20:42:06,231 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 309 313) no Hoare annotation was computed. [2021-11-25 20:42:06,231 INFO L858 garLoopResultBuilder]: For program point L177-2(lines 177 178) no Hoare annotation was computed. [2021-11-25 20:42:06,231 INFO L854 garLoopResultBuilder]: At program point L177-3(lines 177 178) the Hoare annotation is: false [2021-11-25 20:42:06,231 INFO L858 garLoopResultBuilder]: For program point L177-4(lines 177 178) no Hoare annotation was computed. [2021-11-25 20:42:06,231 INFO L858 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2021-11-25 20:42:06,232 INFO L854 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_~x#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 8 24)) (= |ULTIMATE.start_tan_float_#res#1| (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start_tan_float_~ix~6#1|) ((_ extract 30 23) |ULTIMATE.start_tan_float_~ix~6#1|) ((_ extract 22 0) |ULTIMATE.start_tan_float_~ix~6#1|)) (_ +zero 8 24))) [2021-11-25 20:42:06,232 INFO L858 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2021-11-25 20:42:06,232 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-25 20:42:06,232 INFO L858 garLoopResultBuilder]: For program point L178-2(line 178) no Hoare annotation was computed. [2021-11-25 20:42:06,232 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 49) no Hoare annotation was computed. [2021-11-25 20:42:06,232 INFO L858 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2021-11-25 20:42:06,233 INFO L858 garLoopResultBuilder]: For program point L245-1(lines 245 246) no Hoare annotation was computed. [2021-11-25 20:42:06,233 INFO L858 garLoopResultBuilder]: For program point L245-3(lines 245 246) no Hoare annotation was computed. [2021-11-25 20:42:06,233 INFO L854 garLoopResultBuilder]: At program point L245-4(lines 245 246) the Hoare annotation is: false [2021-11-25 20:42:06,233 INFO L858 garLoopResultBuilder]: For program point L245-5(lines 245 246) no Hoare annotation was computed. [2021-11-25 20:42:06,233 INFO L858 garLoopResultBuilder]: For program point L279-2(lines 279 282) no Hoare annotation was computed. [2021-11-25 20:42:06,233 INFO L854 garLoopResultBuilder]: At program point L279-3(lines 279 282) the Hoare annotation is: false [2021-11-25 20:42:06,233 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 222) no Hoare annotation was computed. [2021-11-25 20:42:06,234 INFO L858 garLoopResultBuilder]: For program point L279-4(lines 279 282) no Hoare annotation was computed. [2021-11-25 20:42:06,234 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 180 184) no Hoare annotation was computed. [2021-11-25 20:42:06,234 INFO L854 garLoopResultBuilder]: At program point L213-3(lines 213 222) the Hoare annotation is: false [2021-11-25 20:42:06,234 INFO L854 garLoopResultBuilder]: At program point L180-3(lines 180 184) the Hoare annotation is: false [2021-11-25 20:42:06,234 INFO L858 garLoopResultBuilder]: For program point L213-4(lines 210 238) no Hoare annotation was computed. [2021-11-25 20:42:06,234 INFO L858 garLoopResultBuilder]: For program point L180-4(lines 180 184) no Hoare annotation was computed. [2021-11-25 20:42:06,234 INFO L858 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-11-25 20:42:06,234 INFO L858 garLoopResultBuilder]: For program point L379-1(lines 379 383) no Hoare annotation was computed. [2021-11-25 20:42:06,235 INFO L854 garLoopResultBuilder]: At program point L379-2(lines 379 383) the Hoare annotation is: false [2021-11-25 20:42:06,235 INFO L858 garLoopResultBuilder]: For program point L379-3(lines 379 383) no Hoare annotation was computed. [2021-11-25 20:42:06,235 INFO L858 garLoopResultBuilder]: For program point L181-2(lines 181 182) no Hoare annotation was computed. [2021-11-25 20:42:06,235 INFO L854 garLoopResultBuilder]: At program point L181-3(lines 181 182) the Hoare annotation is: false [2021-11-25 20:42:06,235 INFO L858 garLoopResultBuilder]: For program point L181-4(lines 181 182) no Hoare annotation was computed. [2021-11-25 20:42:06,235 INFO L858 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-11-25 20:42:06,236 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2021-11-25 20:42:06,236 INFO L854 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2021-11-25 20:42:06,236 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 253) no Hoare annotation was computed. [2021-11-25 20:42:06,236 INFO L858 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2021-11-25 20:42:06,236 INFO L854 garLoopResultBuilder]: At program point L248-3(lines 248 253) the Hoare annotation is: false [2021-11-25 20:42:06,236 INFO L858 garLoopResultBuilder]: For program point L248-4(lines 248 253) no Hoare annotation was computed. [2021-11-25 20:42:06,236 INFO L858 garLoopResultBuilder]: For program point L480-1(lines 480 481) no Hoare annotation was computed. [2021-11-25 20:42:06,237 INFO L854 garLoopResultBuilder]: At program point L480-3(lines 480 481) the Hoare annotation is: false [2021-11-25 20:42:06,237 INFO L858 garLoopResultBuilder]: For program point L480-4(lines 480 481) no Hoare annotation was computed. [2021-11-25 20:42:06,237 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 219) no Hoare annotation was computed. [2021-11-25 20:42:06,237 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 55) no Hoare annotation was computed. [2021-11-25 20:42:06,237 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 16 57) no Hoare annotation was computed. [2021-11-25 20:42:06,237 INFO L858 garLoopResultBuilder]: For program point L51-2(lines 51 55) no Hoare annotation was computed. [2021-11-25 20:42:06,237 INFO L854 garLoopResultBuilder]: At program point L613(lines 604 614) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_~x#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start___signbit_float_#res#1| (_ bv0 32)) (= |ULTIMATE.start_tan_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 8 24)) (= |ULTIMATE.start_tan_float_#res#1| (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~2#1|)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start_tan_float_~ix~6#1|) ((_ extract 30 23) |ULTIMATE.start_tan_float_~ix~6#1|) ((_ extract 22 0) |ULTIMATE.start_tan_float_~ix~6#1|)) (_ +zero 8 24))) [2021-11-25 20:42:06,237 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 461) no Hoare annotation was computed. [2021-11-25 20:42:06,238 INFO L858 garLoopResultBuilder]: For program point L250-2(lines 250 251) no Hoare annotation was computed. [2021-11-25 20:42:06,238 INFO L854 garLoopResultBuilder]: At program point L250-3(lines 250 251) the Hoare annotation is: false [2021-11-25 20:42:06,238 INFO L858 garLoopResultBuilder]: For program point L250-4(lines 250 251) no Hoare annotation was computed. [2021-11-25 20:42:06,238 INFO L858 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2021-11-25 20:42:06,238 INFO L854 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2021-11-25 20:42:06,238 INFO L858 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2021-11-25 20:42:06,238 INFO L854 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: false [2021-11-25 20:42:06,238 INFO L858 garLoopResultBuilder]: For program point L416-1(line 416) no Hoare annotation was computed. [2021-11-25 20:42:06,238 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 20:42:06,238 INFO L858 garLoopResultBuilder]: For program point L284-2(lines 284 288) no Hoare annotation was computed. [2021-11-25 20:42:06,238 INFO L854 garLoopResultBuilder]: At program point L284-3(lines 284 288) the Hoare annotation is: false [2021-11-25 20:42:06,238 INFO L858 garLoopResultBuilder]: For program point L284-4(lines 284 288) no Hoare annotation was computed. [2021-11-25 20:42:06,239 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-11-25 20:42:06,239 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 285 286) no Hoare annotation was computed. [2021-11-25 20:42:06,239 INFO L854 garLoopResultBuilder]: At program point L285-3(lines 285 286) the Hoare annotation is: false [2021-11-25 20:42:06,239 INFO L858 garLoopResultBuilder]: For program point L285-4(lines 285 286) no Hoare annotation was computed. [2021-11-25 20:42:06,239 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 389) no Hoare annotation was computed. [2021-11-25 20:42:06,239 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 319 320) no Hoare annotation was computed. [2021-11-25 20:42:06,239 INFO L854 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2021-11-25 20:42:06,239 INFO L858 garLoopResultBuilder]: For program point L319-4(lines 290 330) no Hoare annotation was computed. [2021-11-25 20:42:06,239 INFO L854 garLoopResultBuilder]: At program point L56(lines 16 57) the Hoare annotation is: false [2021-11-25 20:42:06,239 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2021-11-25 20:42:06,239 INFO L854 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (_ +zero 8 24)) [2021-11-25 20:42:06,240 INFO L858 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2021-11-25 20:42:06,241 INFO L854 garLoopResultBuilder]: At program point L255(lines 162 332) the Hoare annotation is: false [2021-11-25 20:42:06,241 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-25 20:42:06,241 INFO L854 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2021-11-25 20:42:06,241 INFO L854 garLoopResultBuilder]: At program point L189-4(lines 189 193) the Hoare annotation is: false [2021-11-25 20:42:06,241 INFO L858 garLoopResultBuilder]: For program point L421(line 421) no Hoare annotation was computed. [2021-11-25 20:42:06,241 INFO L858 garLoopResultBuilder]: For program point L421-2(lines 421 453) no Hoare annotation was computed. [2021-11-25 20:42:06,241 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 20:42:06,241 INFO L858 garLoopResultBuilder]: For program point L223-1(lines 210 238) no Hoare annotation was computed. [2021-11-25 20:42:06,241 INFO L854 garLoopResultBuilder]: At program point L488(lines 373 489) the Hoare annotation is: false [2021-11-25 20:42:06,241 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 460) no Hoare annotation was computed. [2021-11-25 20:42:06,241 INFO L854 garLoopResultBuilder]: At program point L290(lines 290 330) the Hoare annotation is: false [2021-11-25 20:42:06,241 INFO L854 garLoopResultBuilder]: At program point L224(lines 224 231) the Hoare annotation is: false [2021-11-25 20:42:06,241 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 50) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 414) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L291(line 291) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 44) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 413) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 34) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L293-2(lines 293 294) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 294) the Hoare annotation is: false [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L293-4(lines 290 330) no Hoare annotation was computed. [2021-11-25 20:42:06,242 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2021-11-25 20:42:06,243 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 400) no Hoare annotation was computed. [2021-11-25 20:42:06,243 INFO L858 garLoopResultBuilder]: For program point L393-2(lines 393 400) no Hoare annotation was computed. [2021-11-25 20:42:06,243 INFO L858 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2021-11-25 20:42:06,243 INFO L858 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2021-11-25 20:42:06,243 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 601) no Hoare annotation was computed. [2021-11-25 20:42:06,243 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 427 431) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L854 garLoopResultBuilder]: At program point L427-2(lines 427 431) the Hoare annotation is: false [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point L295-1(line 295) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point L262-1(lines 262 265) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L854 garLoopResultBuilder]: At program point L262-3(lines 262 265) the Hoare annotation is: false [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L854 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (and (= |ULTIMATE.start_tan_float_~x#1| (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start_tan_float_~ix~6#1|) ((_ extract 30 23) |ULTIMATE.start_tan_float_~ix~6#1|) ((_ extract 22 0) |ULTIMATE.start_tan_float_~ix~6#1|)) (_ +zero 8 24))) [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point L593-1(line 593) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point L297(line 297) no Hoare annotation was computed. [2021-11-25 20:42:06,244 INFO L858 garLoopResultBuilder]: For program point L297-2(line 297) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L463(lines 463 466) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L854 garLoopResultBuilder]: At program point L331(lines 161 332) the Hoare annotation is: false [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L861 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 111) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 108) no Hoare annotation was computed. [2021-11-25 20:42:06,245 INFO L858 garLoopResultBuilder]: For program point L98-2(lines 98 108) no Hoare annotation was computed. [2021-11-25 20:42:06,246 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 95) no Hoare annotation was computed. [2021-11-25 20:42:06,246 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2021-11-25 20:42:06,246 INFO L861 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: true [2021-11-25 20:42:06,246 INFO L858 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2021-11-25 20:42:06,246 INFO L861 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: true [2021-11-25 20:42:06,246 INFO L858 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2021-11-25 20:42:06,247 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 83 133) no Hoare annotation was computed. [2021-11-25 20:42:06,247 INFO L861 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: true [2021-11-25 20:42:06,247 INFO L858 garLoopResultBuilder]: For program point L124-1(line 124) no Hoare annotation was computed. [2021-11-25 20:42:06,247 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2021-11-25 20:42:06,247 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2021-11-25 20:42:06,247 INFO L861 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: true [2021-11-25 20:42:06,247 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2021-11-25 20:42:06,247 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 119) no Hoare annotation was computed. [2021-11-25 20:42:06,247 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 83 133) no Hoare annotation was computed. [2021-11-25 20:42:06,247 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 83 133) the Hoare annotation is: true [2021-11-25 20:42:06,249 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 100 104) no Hoare annotation was computed. [2021-11-25 20:42:06,249 INFO L861 garLoopResultBuilder]: At program point L100-2(lines 100 104) the Hoare annotation is: true [2021-11-25 20:42:06,249 INFO L858 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2021-11-25 20:42:06,249 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 97) no Hoare annotation was computed. [2021-11-25 20:42:06,250 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2021-11-25 20:42:06,250 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2021-11-25 20:42:06,250 INFO L861 garLoopResultBuilder]: At program point L113-2(lines 113 117) the Hoare annotation is: true [2021-11-25 20:42:06,250 INFO L858 garLoopResultBuilder]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2021-11-25 20:42:06,257 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:42:06,258 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:42:06,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:42:06 BoogieIcfgContainer [2021-11-25 20:42:06,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:42:06,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:42:06,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:42:06,307 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:42:06,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:41:22" (3/4) ... [2021-11-25 20:42:06,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:42:06,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-11-25 20:42:06,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-25 20:42:06,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-25 20:42:06,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2021-11-25 20:42:06,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2021-11-25 20:42:06,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-25 20:42:06,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 20:42:06,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 20:42:06,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && iy == \old(iy) [2021-11-25 20:42:06,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~Pluszero~LONGDOUBLE() && \result == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~Pluszero~LONGDOUBLE() [2021-11-25 20:42:06,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && x == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~Pluszero~LONGDOUBLE() [2021-11-25 20:42:06,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == 0bv32) && x == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~Pluszero~LONGDOUBLE() [2021-11-25 20:42:06,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) [2021-11-25 20:42:06,638 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:42:06,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:42:06,639 INFO L158 Benchmark]: Toolchain (without parser) took 82885.76ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 32.8MB in the beginning and 31.1MB in the end (delta: 1.8MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-11-25 20:42:06,640 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:42:06,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.48ms. Allocated memory is still 69.2MB. Free memory was 54.4MB in the beginning and 48.6MB in the end (delta: 5.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-25 20:42:06,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.89ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 41.8MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 20:42:06,641 INFO L158 Benchmark]: Boogie Preprocessor took 165.47ms. Allocated memory is still 69.2MB. Free memory was 41.8MB in the beginning and 34.3MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:42:06,641 INFO L158 Benchmark]: RCFGBuilder took 38032.68ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 34.3MB in the beginning and 38.8MB in the end (delta: -4.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-25 20:42:06,642 INFO L158 Benchmark]: TraceAbstraction took 43344.62ms. Allocated memory is still 94.4MB. Free memory was 37.8MB in the beginning and 65.3MB in the end (delta: -27.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-25 20:42:06,642 INFO L158 Benchmark]: Witness Printer took 333.11ms. Allocated memory is still 94.4MB. Free memory was 65.3MB in the beginning and 31.1MB in the end (delta: 34.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-25 20:42:06,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.48ms. Allocated memory is still 69.2MB. Free memory was 54.4MB in the beginning and 48.6MB in the end (delta: 5.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.89ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 41.8MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.47ms. Allocated memory is still 69.2MB. Free memory was 41.8MB in the beginning and 34.3MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 38032.68ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 34.3MB in the beginning and 38.8MB in the end (delta: -4.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * TraceAbstraction took 43344.62ms. Allocated memory is still 94.4MB. Free memory was 37.8MB in the beginning and 65.3MB in the end (delta: -27.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Witness Printer took 333.11ms. Allocated memory is still 94.4MB. Free memory was 65.3MB in the beginning and 31.1MB in the end (delta: 34.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 629]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 247 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 18.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 1384 SdHoareTripleChecker+Invalid, 17.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 25 IncrementalHoareTripleChecker+Unchecked, 794 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 590 mSDtfsCounter, 255 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 150 PreInvPairs, 163 NumberOfFragments, 194 HoareAnnotationTreeSize, 150 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 11.9s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 132 ConstructedInterpolants, 6 QuantifiedInterpolants, 439 SizeOfPredicates, 35 NumberOfNonLiveVariables, 2798 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == 0bv32) && x == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && \result == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: \old(x) == x && iy == \old(iy) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && x == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 554]: Loop Invariant [2021-11-25 20:42:06,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,662 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,662 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,662 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant [2021-11-25 20:42:06,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 20:42:06,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-25 20:42:06,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de166196-4664-400a-8e46-f0bec8e97032/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE