./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0530a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e48a2b6d608f73a5a4b901432af53cd339c224015450a431b11195b46e5ed33a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:19:54,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:19:54,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:19:54,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:19:54,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:19:54,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:19:54,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:19:54,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:19:54,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:19:54,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:19:54,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:19:54,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:19:54,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:19:54,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:19:54,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:19:54,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:19:54,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:19:54,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:19:54,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:19:54,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:19:54,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:19:54,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:19:54,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:19:54,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:19:54,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:19:54,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:19:54,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:19:54,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:19:54,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:19:54,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:19:54,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:19:54,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:19:54,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:19:54,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:19:54,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:19:54,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:19:54,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:19:54,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:19:54,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:19:54,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:19:54,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:19:54,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:19:54,232 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:19:54,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:19:54,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:19:54,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:19:54,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:19:54,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:19:54,241 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:19:54,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:19:54,241 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:19:54,241 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:19:54,242 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:19:54,243 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:19:54,243 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:19:54,243 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:19:54,243 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:19:54,244 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:19:54,244 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:19:54,244 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:19:54,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:19:54,245 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:19:54,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:19:54,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:19:54,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:19:54,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:19:54,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:19:54,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:19:54,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:19:54,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:19:54,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:19:54,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:19:54,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:19:54,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:19:54,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:19:54,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:19:54,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:19:54,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:19:54,251 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:19:54,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:19:54,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:19:54,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:19:54,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:19:54,252 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_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e48a2b6d608f73a5a4b901432af53cd339c224015450a431b11195b46e5ed33a [2021-11-20 23:19:54,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:19:54,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:19:54,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:19:54,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:19:54,571 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:19:54,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0530a.c [2021-11-20 23:19:54,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data/fac71562d/559dff63c4a049dfa1072716074d1500/FLAG41cd33775 [2021-11-20 23:19:55,252 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:19:55,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/sv-benchmarks/c/float-newlib/double_req_bl_0530a.c [2021-11-20 23:19:55,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data/fac71562d/559dff63c4a049dfa1072716074d1500/FLAG41cd33775 [2021-11-20 23:19:55,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data/fac71562d/559dff63c4a049dfa1072716074d1500 [2021-11-20 23:19:55,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:19:55,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:19:55,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:19:55,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:19:55,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:19:55,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:55" (1/1) ... [2021-11-20 23:19:55,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76accbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:55, skipping insertion in model container [2021-11-20 23:19:55,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:55" (1/1) ... [2021-11-20 23:19:55,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:19:55,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:19:55,942 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_a38e480b-db43-43ed-9ec5-e07ba490bbe6/sv-benchmarks/c/float-newlib/double_req_bl_0530a.c[16310,16323] [2021-11-20 23:19:55,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:19:55,963 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:19:56,108 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_a38e480b-db43-43ed-9ec5-e07ba490bbe6/sv-benchmarks/c/float-newlib/double_req_bl_0530a.c[16310,16323] [2021-11-20 23:19:56,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:19:56,135 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:19:56,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56 WrapperNode [2021-11-20 23:19:56,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:19:56,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:19:56,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:19:56,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:19:56,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,252 INFO L137 Inliner]: procedures = 25, calls = 400, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 978 [2021-11-20 23:19:56,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:19:56,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:19:56,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:19:56,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:19:56,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:19:56,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:19:56,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:19:56,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:19:56,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (1/1) ... [2021-11-20 23:19:56,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:19:56,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:19:56,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:19:56,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:19:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:19:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 23:19:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 23:19:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:19:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-20 23:19:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-20 23:19:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 23:19:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:19:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 23:19:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-11-20 23:19:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-11-20 23:19:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:19:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 23:19:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 23:19:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 23:19:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:19:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:19:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:19:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:19:56,821 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:19:56,823 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:19:57,852 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:19:58,121 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:19:58,122 INFO L301 CfgBuilder]: Removed 67 assume(true) statements. [2021-11-20 23:19:58,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:58 BoogieIcfgContainer [2021-11-20 23:19:58,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:19:58,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:19:58,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:19:58,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:19:58,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:19:55" (1/3) ... [2021-11-20 23:19:58,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c98bf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:19:58, skipping insertion in model container [2021-11-20 23:19:58,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:56" (2/3) ... [2021-11-20 23:19:58,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c98bf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:19:58, skipping insertion in model container [2021-11-20 23:19:58,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:58" (3/3) ... [2021-11-20 23:19:58,134 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530a.c [2021-11-20 23:19:58,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:19:58,144 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:19:58,194 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:19:58,201 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 [2021-11-20 23:19:58,202 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:19:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 154 states have (on average 1.7012987012987013) internal successors, (262), 155 states have internal predecessors, (262), 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) [2021-11-20 23:19:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:19:58,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:58,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:58,231 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:58,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:58,237 INFO L85 PathProgramCache]: Analyzing trace with hash 964120002, now seen corresponding path program 1 times [2021-11-20 23:19:58,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:19:58,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31818704] [2021-11-20 23:19:58,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:58,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:19:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:19:58,520 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:19:58,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31818704] [2021-11-20 23:19:58,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31818704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:19:58,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:19:58,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:19:58,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49931545] [2021-11-20 23:19:58,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:19:58,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:19:58,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:19:58,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:19:58,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:19:58,575 INFO L87 Difference]: Start difference. First operand has 171 states, 154 states have (on average 1.7012987012987013) internal successors, (262), 155 states have internal predecessors, (262), 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) [2021-11-20 23:19:58,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:19:58,856 INFO L93 Difference]: Finished difference Result 341 states and 578 transitions. [2021-11-20 23:19:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:19:58,865 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 [2021-11-20 23:19:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:19:58,880 INFO L225 Difference]: With dead ends: 341 [2021-11-20 23:19:58,880 INFO L226 Difference]: Without dead ends: 169 [2021-11-20 23:19:58,891 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 [2021-11-20 23:19:58,902 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:19:58,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:19:58,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-11-20 23:19:58,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2021-11-20 23:19:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 153 states have (on average 1.3725490196078431) internal successors, (210), 153 states have internal predecessors, (210), 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) [2021-11-20 23:19:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 232 transitions. [2021-11-20 23:19:58,998 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 232 transitions. Word has length 9 [2021-11-20 23:19:58,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:19:58,998 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 232 transitions. [2021-11-20 23:19:58,999 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) [2021-11-20 23:19:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 232 transitions. [2021-11-20 23:19:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:19:59,000 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:59,001 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:59,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:19:59,002 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:59,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:59,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1091175322, now seen corresponding path program 1 times [2021-11-20 23:19:59,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:19:59,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773775285] [2021-11-20 23:19:59,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:59,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:19:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:19:59,154 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:19:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:19:59,282 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:19:59,282 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:19:59,284 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:19:59,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:19:59,294 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 23:19:59,297 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:19:59,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:19:59 BoogieIcfgContainer [2021-11-20 23:19:59,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:19:59,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:19:59,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:19:59,402 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:19:59,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:58" (3/4) ... [2021-11-20 23:19:59,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:19:59,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:19:59,411 INFO L158 Benchmark]: Toolchain (without parser) took 3882.22ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 83.4MB in the beginning and 85.3MB in the end (delta: -1.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-20 23:19:59,412 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:19:59,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.06ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 73.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:19:59,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.29ms. Allocated memory is still 115.3MB. Free memory was 73.6MB in the beginning and 67.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:19:59,421 INFO L158 Benchmark]: Boogie Preprocessor took 137.30ms. Allocated memory is still 115.3MB. Free memory was 67.4MB in the beginning and 61.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:19:59,422 INFO L158 Benchmark]: RCFGBuilder took 1721.99ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 61.1MB in the beginning and 81.0MB in the end (delta: -20.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-20 23:19:59,426 INFO L158 Benchmark]: TraceAbstraction took 1268.69ms. Allocated memory is still 151.0MB. Free memory was 81.0MB in the beginning and 85.3MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:19:59,427 INFO L158 Benchmark]: Witness Printer took 12.85ms. Allocated memory is still 151.0MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:19:59,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.06ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 73.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.29ms. Allocated memory is still 115.3MB. Free memory was 73.6MB in the beginning and 67.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.30ms. Allocated memory is still 115.3MB. Free memory was 67.4MB in the beginning and 61.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1721.99ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 61.1MB in the beginning and 81.0MB in the end (delta: -20.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1268.69ms. Allocated memory is still 151.0MB. Free memory was 81.0MB in the beginning and 85.3MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.85ms. Allocated memory is still 151.0MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 659]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 535, overapproximation of bitwiseAnd at line 621, overapproximation of someBinaryArithmeticDOUBLEoperation at line 626, overapproximation of someBinaryDOUBLEComparisonOperation at line 658. Possible FailurePath: [L19] static const double huge_floor = 1.0e300; [L105-L107] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L176] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L178-L183] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L185-L187] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L362-L373] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L375-L382] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L384-L393] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L526-L537] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; [L654] double x = 0.0; [L655] CALL, EXPR tan_double(x) [L612] double y[2], z = 0.0; [L613] __int32_t n, ix; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=0, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L616] ieee_double_shape_type gh_u; [L617] gh_u.value = (x) [L618] EXPR gh_u.parts.msw [L618] (ix) = gh_u.parts.msw [L621] ix &= 0x7fffffff VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=0, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L622] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=0, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L625] COND TRUE ix >= 0x7ff00000 [L626] return x - x; [L626] return x - x; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=0, z=0, zero_krempio=0, zero_rempio=0] [L655] RET, EXPR tan_double(x) [L655] double res = tan_double(x); [L658] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, res == 0.0 && __signbit_double(res) == 0=0, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=0, zero_krempio=0, zero_rempio=0] [L658] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L659] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 171 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 180 mSDtfsCounter, 54 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=171occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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 [2021-11-20 23:19:59,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e48a2b6d608f73a5a4b901432af53cd339c224015450a431b11195b46e5ed33a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:20:02,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:20:02,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:20:02,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:20:02,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:20:02,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:20:02,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:20:02,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:20:02,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:20:02,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:20:02,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:20:02,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:20:02,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:20:02,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:20:02,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:20:02,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:20:02,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:20:02,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:20:02,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:20:02,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:20:02,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:20:02,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:20:02,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:20:02,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:20:02,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:20:02,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:20:02,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:20:02,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:20:02,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:20:02,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:20:02,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:20:02,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:20:02,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:20:02,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:20:02,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:20:02,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:20:02,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:20:02,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:20:02,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:20:02,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:20:02,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:20:02,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:20:02,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:20:02,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:20:02,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:20:02,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:20:02,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:20:02,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:20:02,306 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:20:02,306 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:20:02,306 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:20:02,306 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:20:02,307 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:20:02,308 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:20:02,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:20:02,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:20:02,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:20:02,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:20:02,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:20:02,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:20:02,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:20:02,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:20:02,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:20:02,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:20:02,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:20:02,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:20:02,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:20:02,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:20:02,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:20:02,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:20:02,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:20:02,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:20:02,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:20:02,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:20:02,314 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:20:02,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:20:02,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:20:02,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:20:02,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:20:02,324 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_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e48a2b6d608f73a5a4b901432af53cd339c224015450a431b11195b46e5ed33a [2021-11-20 23:20:02,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:20:02,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:20:02,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:20:02,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:20:02,824 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:20:02,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0530a.c [2021-11-20 23:20:02,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data/3476e101a/6bc464f1cd334203ab9c7f639b871ac8/FLAGcafa768b4 [2021-11-20 23:20:03,688 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:20:03,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/sv-benchmarks/c/float-newlib/double_req_bl_0530a.c [2021-11-20 23:20:03,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data/3476e101a/6bc464f1cd334203ab9c7f639b871ac8/FLAGcafa768b4 [2021-11-20 23:20:04,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/data/3476e101a/6bc464f1cd334203ab9c7f639b871ac8 [2021-11-20 23:20:04,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:20:04,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:20:04,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:20:04,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:20:04,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:20:04,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:04,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c65539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04, skipping insertion in model container [2021-11-20 23:20:04,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:04,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:20:04,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:20:04,509 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_a38e480b-db43-43ed-9ec5-e07ba490bbe6/sv-benchmarks/c/float-newlib/double_req_bl_0530a.c[16310,16323] [2021-11-20 23:20:04,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:20:04,542 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:20:04,718 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_a38e480b-db43-43ed-9ec5-e07ba490bbe6/sv-benchmarks/c/float-newlib/double_req_bl_0530a.c[16310,16323] [2021-11-20 23:20:04,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:20:04,778 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:20:04,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04 WrapperNode [2021-11-20 23:20:04,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:20:04,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:20:04,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:20:04,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:20:04,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:04,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:04,890 INFO L137 Inliner]: procedures = 29, calls = 400, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 976 [2021-11-20 23:20:04,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:20:04,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:20:04,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:20:04,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:20:04,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:04,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:04,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:04,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:04,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:05,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:05,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:05,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:20:05,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:20:05,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:20:05,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:20:05,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (1/1) ... [2021-11-20 23:20:05,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:20:05,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:20:05,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:20:05,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:20:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:20:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 23:20:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 23:20:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 23:20:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 23:20:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:20:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 23:20:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:20:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-20 23:20:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-20 23:20:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-20 23:20:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:20:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-11-20 23:20:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-11-20 23:20:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 23:20:05,135 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 23:20:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:20:05,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:20:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:20:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:20:05,432 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:20:05,434 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:21:02,052 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:21:02,064 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:21:02,070 INFO L301 CfgBuilder]: Removed 67 assume(true) statements. [2021-11-20 23:21:02,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:21:02 BoogieIcfgContainer [2021-11-20 23:21:02,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:21:02,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:21:02,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:21:02,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:21:02,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:20:04" (1/3) ... [2021-11-20 23:21:02,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e9fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:21:02, skipping insertion in model container [2021-11-20 23:21:02,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:04" (2/3) ... [2021-11-20 23:21:02,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e9fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:21:02, skipping insertion in model container [2021-11-20 23:21:02,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:21:02" (3/3) ... [2021-11-20 23:21:02,082 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530a.c [2021-11-20 23:21:02,089 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:21:02,089 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:21:02,141 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:21:02,148 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 [2021-11-20 23:21:02,148 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:21:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 240 states have (on average 1.675) internal successors, (402), 241 states have internal predecessors, (402), 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) [2021-11-20 23:21:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:21:02,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:21:02,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:21:02,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:21:02,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:21:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash 926671389, now seen corresponding path program 1 times [2021-11-20 23:21:02,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:21:02,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111593747] [2021-11-20 23:21:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:21:02,211 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:21:02,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:21:02,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:21:02,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:21:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:21:02,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:21:02,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:21:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:21:03,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:21:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:21:03,287 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:21:03,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111593747] [2021-11-20 23:21:03,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111593747] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:21:03,288 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:21:03,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:21:03,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239424418] [2021-11-20 23:21:03,291 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:21:03,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:21:03,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:21:03,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:21:03,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:21:03,329 INFO L87 Difference]: Start difference. First operand has 257 states, 240 states have (on average 1.675) internal successors, (402), 241 states have internal predecessors, (402), 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) [2021-11-20 23:21:03,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:21:03,390 INFO L93 Difference]: Finished difference Result 512 states and 857 transitions. [2021-11-20 23:21:03,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:21:03,392 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 [2021-11-20 23:21:03,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:21:03,405 INFO L225 Difference]: With dead ends: 512 [2021-11-20 23:21:03,405 INFO L226 Difference]: Without dead ends: 254 [2021-11-20 23:21:03,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:21:03,415 INFO L933 BasicCegarLoop]: 356 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, 356 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 [2021-11-20 23:21:03,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:21:03,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-20 23:21:03,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-11-20 23:21:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 238 states have (on average 1.3907563025210083) internal successors, (331), 238 states have internal predecessors, (331), 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) [2021-11-20 23:21:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 353 transitions. [2021-11-20 23:21:03,478 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 353 transitions. Word has length 10 [2021-11-20 23:21:03,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:21:03,478 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 353 transitions. [2021-11-20 23:21:03,478 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) [2021-11-20 23:21:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 353 transitions. [2021-11-20 23:21:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:21:03,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:21:03,480 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:21:03,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:21:03,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:21:03,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:21:03,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:21:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash -69731681, now seen corresponding path program 1 times [2021-11-20 23:21:03,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:21:03,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715638012] [2021-11-20 23:21:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:21:03,696 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:21:03,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:21:03,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:21:03,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:21:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:21:04,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:21:04,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:21:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:21:05,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:21:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:21:06,386 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:21:06,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715638012] [2021-11-20 23:21:06,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715638012] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:21:06,387 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:21:06,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-20 23:21:06,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268400773] [2021-11-20 23:21:06,388 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:21:06,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:21:06,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:21:06,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:21:06,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:21:06,391 INFO L87 Difference]: Start difference. First operand 254 states and 353 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2021-11-20 23:21:06,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:21:06,640 INFO L93 Difference]: Finished difference Result 298 states and 404 transitions. [2021-11-20 23:21:06,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:21:06,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 [2021-11-20 23:21:06,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:21:06,642 INFO L225 Difference]: With dead ends: 298 [2021-11-20 23:21:06,642 INFO L226 Difference]: Without dead ends: 52 [2021-11-20 23:21:06,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:21:06,647 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 3 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:21:06,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 277 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 3 Unchecked, 0.1s Time] [2021-11-20 23:21:06,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-20 23:21:06,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-20 23:21:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 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) [2021-11-20 23:21:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2021-11-20 23:21:06,654 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 11 [2021-11-20 23:21:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:21:06,655 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2021-11-20 23:21:06,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2021-11-20 23:21:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2021-11-20 23:21:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 23:21:06,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:21:06,659 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] [2021-11-20 23:21:06,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:21:06,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:21:06,870 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:21:06,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:21:06,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1211787692, now seen corresponding path program 1 times [2021-11-20 23:21:06,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:21:06,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1266697817] [2021-11-20 23:21:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:21:06,871 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:21:06,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:21:06,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:21:06,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:21:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:21:13,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:21:13,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:21:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:21:16,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:21:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:21:21,866 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:21:21,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1266697817] [2021-11-20 23:21:21,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1266697817] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:21:21,867 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:21:21,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 23:21:21,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697502222] [2021-11-20 23:21:21,868 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:21:21,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 23:21:21,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:21:21,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 23:21:21,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:21:21,870 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:21:26,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:21:29,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:21:32,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:21:35,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:21:38,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:21:38,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:21:38,294 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2021-11-20 23:21:38,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:21:38,503 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-20 23:21:38,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:21:38,505 INFO L225 Difference]: With dead ends: 76 [2021-11-20 23:21:38,505 INFO L226 Difference]: Without dead ends: 52 [2021-11-20 23:21:38,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:21:38,507 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 46 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:21:38,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 377 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 5 Unknown, 40 Unchecked, 16.1s Time] [2021-11-20 23:21:38,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-20 23:21:38,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-20 23:21:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 47 states have internal predecessors, (55), 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) [2021-11-20 23:21:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2021-11-20 23:21:38,515 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 22 [2021-11-20 23:21:38,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:21:38,516 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2021-11-20 23:21:38,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:21:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2021-11-20 23:21:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 23:21:38,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:21:38,518 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] [2021-11-20 23:21:38,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:21:38,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:21:38,738 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:21:38,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:21:38,739 INFO L85 PathProgramCache]: Analyzing trace with hash 396672805, now seen corresponding path program 1 times [2021-11-20 23:21:38,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:21:38,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769957933] [2021-11-20 23:21:38,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:21:38,741 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:21:38,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:21:38,742 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:21:38,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 23:21:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:21:45,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:21:45,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:21:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:21:47,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:22:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:22:00,686 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:22:00,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769957933] [2021-11-20 23:22:00,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769957933] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:22:00,687 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:22:00,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 23:22:00,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972317409] [2021-11-20 23:22:00,687 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:22:00,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:22:00,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:22:00,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:22:00,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:22:00,690 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:22:09,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:12,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:14,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:17,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:20,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:23,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:24,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:22:24,067 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2021-11-20 23:22:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:22:24,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-11-20 23:22:24,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:22:24,076 INFO L225 Difference]: With dead ends: 69 [2021-11-20 23:22:24,076 INFO L226 Difference]: Without dead ends: 43 [2021-11-20 23:22:24,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:22:24,078 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 37 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:22:24,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 212 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 6 Unknown, 0 Unchecked, 22.3s Time] [2021-11-20 23:22:24,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-20 23:22:24,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-11-20 23:22:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 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) [2021-11-20 23:22:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2021-11-20 23:22:24,085 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 23 [2021-11-20 23:22:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:22:24,086 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2021-11-20 23:22:24,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:22:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-11-20 23:22:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:22:24,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:22:24,091 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] [2021-11-20 23:22:24,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:22:24,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:22:24,292 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:22:24,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:22:24,292 INFO L85 PathProgramCache]: Analyzing trace with hash -668408283, now seen corresponding path program 1 times [2021-11-20 23:22:24,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:22:24,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333027572] [2021-11-20 23:22:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:22:24,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:22:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:22:24,295 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:22:24,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 23:22:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:22:24,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 23:22:24,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:22:28,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:22:28,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:22:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:22:34,974 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:22:34,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333027572] [2021-11-20 23:22:34,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333027572] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:22:34,975 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:22:34,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-20 23:22:34,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214859741] [2021-11-20 23:22:34,975 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:22:34,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 23:22:34,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:22:34,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 23:22:34,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-20 23:22:34,977 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:22:36,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:42,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:45,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:50,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:52,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:22:52,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:22:52,744 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2021-11-20 23:22:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 23:22:52,745 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2021-11-20 23:22:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:22:52,746 INFO L225 Difference]: With dead ends: 58 [2021-11-20 23:22:52,747 INFO L226 Difference]: Without dead ends: 55 [2021-11-20 23:22:52,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2021-11-20 23:22:52,749 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 25 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:22:52,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 386 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 4 Unknown, 0 Unchecked, 15.4s Time] [2021-11-20 23:22:52,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-20 23:22:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 46. [2021-11-20 23:22:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 40 states have (on average 1.075) internal successors, (43), 40 states have internal predecessors, (43), 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) [2021-11-20 23:22:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2021-11-20 23:22:52,760 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 25 [2021-11-20 23:22:52,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:22:52,761 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2021-11-20 23:22:52,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:22:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-11-20 23:22:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:22:52,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:22:52,763 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] [2021-11-20 23:22:52,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:22:52,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:22:52,982 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:22:52,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:22:52,982 INFO L85 PathProgramCache]: Analyzing trace with hash 11650087, now seen corresponding path program 1 times [2021-11-20 23:22:52,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:22:52,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460344815] [2021-11-20 23:22:52,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:22:52,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:22:52,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:22:52,984 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:22:52,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 23:22:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:22:54,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:22:54,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:22:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:22:55,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:22:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:22:57,677 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:22:57,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460344815] [2021-11-20 23:22:57,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460344815] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:22:57,677 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:22:57,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-20 23:22:57,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707883790] [2021-11-20 23:22:57,678 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:22:57,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:22:57,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:22:57,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:22:57,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:22:57,680 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-11-20 23:23:01,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:23:01,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:23:01,855 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2021-11-20 23:23:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:23:01,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 25 [2021-11-20 23:23:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:23:01,856 INFO L225 Difference]: With dead ends: 55 [2021-11-20 23:23:01,857 INFO L226 Difference]: Without dead ends: 30 [2021-11-20 23:23:01,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:23:01,859 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 8 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:23:01,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 119 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-20 23:23:01,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-20 23:23:01,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-20 23:23:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 27 states have (on average 1.0) internal successors, (27), 27 states have internal predecessors, (27), 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) [2021-11-20 23:23:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2021-11-20 23:23:01,864 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 25 [2021-11-20 23:23:01,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:23:01,865 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2021-11-20 23:23:01,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-11-20 23:23:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2021-11-20 23:23:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 23:23:01,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:23:01,867 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, 1, 1] [2021-11-20 23:23:01,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 23:23:02,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:23:02,090 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:23:02,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:23:02,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1877250182, now seen corresponding path program 1 times [2021-11-20 23:23:02,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:23:02,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792106029] [2021-11-20 23:23:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:23:02,092 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:23:02,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:23:02,093 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:23:02,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 23:23:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:23:02,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 23:23:02,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:23:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:23:09,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:23:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:23:27,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:23:27,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792106029] [2021-11-20 23:23:27,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792106029] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:23:27,418 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:23:27,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 22 [2021-11-20 23:23:27,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949461141] [2021-11-20 23:23:27,419 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:23:27,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 23:23:27,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:23:27,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 23:23:27,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-11-20 23:23:27,421 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 20 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:23:34,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:23:34,463 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2021-11-20 23:23:34,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 23:23:34,464 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 20 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2021-11-20 23:23:34,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:23:34,464 INFO L225 Difference]: With dead ends: 30 [2021-11-20 23:23:34,464 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:23:34,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2021-11-20 23:23:34,466 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:23:34,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 192 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 99 Unchecked, 2.7s Time] [2021-11-20 23:23:34,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:23:34,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:23:34,468 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) [2021-11-20 23:23:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:23:34,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-11-20 23:23:34,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:23:34,469 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:23:34,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 20 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:23:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:23:34,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:23:34,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:23:34,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 23:23:34,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:23:34,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:23:39,462 INFO L858 garLoopResultBuilder]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2021-11-20 23:23:39,463 INFO L861 garLoopResultBuilder]: At program point L122-2(lines 122 126) the Hoare annotation is: true [2021-11-20 23:23:39,463 INFO L858 garLoopResultBuilder]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2021-11-20 23:23:39,463 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 130) no Hoare annotation was computed. [2021-11-20 23:23:39,464 INFO L858 garLoopResultBuilder]: For program point L118-2(lines 109 159) no Hoare annotation was computed. [2021-11-20 23:23:39,464 INFO L861 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: true [2021-11-20 23:23:39,464 INFO L858 garLoopResultBuilder]: For program point L147-1(line 147) no Hoare annotation was computed. [2021-11-20 23:23:39,464 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 109 159) no Hoare annotation was computed. [2021-11-20 23:23:39,464 INFO L861 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: true [2021-11-20 23:23:39,464 INFO L858 garLoopResultBuilder]: For program point L135-1(line 135) no Hoare annotation was computed. [2021-11-20 23:23:39,465 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 120) no Hoare annotation was computed. [2021-11-20 23:23:39,465 INFO L858 garLoopResultBuilder]: For program point L152-1(lines 152 157) no Hoare annotation was computed. [2021-11-20 23:23:39,465 INFO L861 garLoopResultBuilder]: At program point L152-2(lines 152 157) the Hoare annotation is: true [2021-11-20 23:23:39,465 INFO L858 garLoopResultBuilder]: For program point L152-3(lines 152 157) no Hoare annotation was computed. [2021-11-20 23:23:39,465 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 111 116) no Hoare annotation was computed. [2021-11-20 23:23:39,466 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 109 159) no Hoare annotation was computed. [2021-11-20 23:23:39,466 INFO L861 garLoopResultBuilder]: At program point L111-2(lines 111 116) the Hoare annotation is: true [2021-11-20 23:23:39,466 INFO L858 garLoopResultBuilder]: For program point L111-3(lines 111 116) no Hoare annotation was computed. [2021-11-20 23:23:39,466 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2021-11-20 23:23:39,467 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 109 159) the Hoare annotation is: true [2021-11-20 23:23:39,467 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2021-11-20 23:23:39,467 INFO L861 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: true [2021-11-20 23:23:39,467 INFO L858 garLoopResultBuilder]: For program point L149-1(line 149) no Hoare annotation was computed. [2021-11-20 23:23:39,467 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 150) no Hoare annotation was computed. [2021-11-20 23:23:39,468 INFO L858 garLoopResultBuilder]: For program point L137-1(lines 137 142) no Hoare annotation was computed. [2021-11-20 23:23:39,468 INFO L861 garLoopResultBuilder]: At program point L137-2(lines 137 142) the Hoare annotation is: true [2021-11-20 23:23:39,468 INFO L858 garLoopResultBuilder]: For program point L137-3(lines 137 142) no Hoare annotation was computed. [2021-11-20 23:23:39,468 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 149) no Hoare annotation was computed. [2021-11-20 23:23:39,468 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2021-11-20 23:23:39,469 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 95) no Hoare annotation was computed. [2021-11-20 23:23:39,469 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 84 103) no Hoare annotation was computed. [2021-11-20 23:23:39,469 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 84 103) no Hoare annotation was computed. [2021-11-20 23:23:39,469 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 84 103) no Hoare annotation was computed. [2021-11-20 23:23:39,469 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 84 103) the Hoare annotation is: true [2021-11-20 23:23:39,470 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 101) no Hoare annotation was computed. [2021-11-20 23:23:39,470 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 84 103) no Hoare annotation was computed. [2021-11-20 23:23:39,470 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 96 101) no Hoare annotation was computed. [2021-11-20 23:23:39,470 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2021-11-20 23:23:39,470 INFO L861 garLoopResultBuilder]: At program point L86-2(lines 86 90) the Hoare annotation is: true [2021-11-20 23:23:39,471 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 162 166) no Hoare annotation was computed. [2021-11-20 23:23:39,471 INFO L861 garLoopResultBuilder]: At program point L162-2(lines 162 166) the Hoare annotation is: true [2021-11-20 23:23:39,471 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 160 174) no Hoare annotation was computed. [2021-11-20 23:23:39,471 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 160 174) the Hoare annotation is: true [2021-11-20 23:23:39,471 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 172) no Hoare annotation was computed. [2021-11-20 23:23:39,472 INFO L858 garLoopResultBuilder]: For program point L167-1(lines 160 174) no Hoare annotation was computed. [2021-11-20 23:23:39,472 INFO L858 garLoopResultBuilder]: For program point L167-2(lines 167 172) no Hoare annotation was computed. [2021-11-20 23:23:39,472 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 160 174) no Hoare annotation was computed. [2021-11-20 23:23:39,472 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 585) no Hoare annotation was computed. [2021-11-20 23:23:39,472 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 561) no Hoare annotation was computed. [2021-11-20 23:23:39,473 INFO L858 garLoopResultBuilder]: For program point __kernel_tanFINAL(lines 539 609) no Hoare annotation was computed. [2021-11-20 23:23:39,473 INFO L858 garLoopResultBuilder]: For program point L548-2(lines 539 609) no Hoare annotation was computed. [2021-11-20 23:23:39,473 INFO L861 garLoopResultBuilder]: At program point __kernel_tanENTRY(lines 539 609) the Hoare annotation is: true [2021-11-20 23:23:39,473 INFO L854 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: (and (not (= |__kernel_tan_#in~iy| (_ bv1 32))) (= __kernel_tan_~iy |__kernel_tan_#in~iy|) (= __kernel_tan_~x |__kernel_tan_#in~x|)) [2021-11-20 23:23:39,473 INFO L858 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2021-11-20 23:23:39,474 INFO L858 garLoopResultBuilder]: For program point L586(lines 586 608) no Hoare annotation was computed. [2021-11-20 23:23:39,474 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 560) no Hoare annotation was computed. [2021-11-20 23:23:39,474 INFO L858 garLoopResultBuilder]: For program point __kernel_tanEXIT(lines 539 609) no Hoare annotation was computed. [2021-11-20 23:23:39,474 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 562 571) no Hoare annotation was computed. [2021-11-20 23:23:39,474 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2021-11-20 23:23:39,475 INFO L854 garLoopResultBuilder]: At program point L542-2(lines 542 546) the Hoare annotation is: (and (= __kernel_tan_~iy |__kernel_tan_#in~iy|) (= __kernel_tan_~x |__kernel_tan_#in~x|)) [2021-11-20 23:23:39,475 INFO L858 garLoopResultBuilder]: For program point L542-3(lines 542 546) no Hoare annotation was computed. [2021-11-20 23:23:39,475 INFO L858 garLoopResultBuilder]: For program point L600-1(lines 600 605) no Hoare annotation was computed. [2021-11-20 23:23:39,475 INFO L854 garLoopResultBuilder]: At program point L600-2(lines 600 605) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_104| (_ BitVec 64))) (and (not (bvslt (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_104|)) (_ bv1043333120 32))) (= |__kernel_tan_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_104|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_104|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_104|))))) [2021-11-20 23:23:39,475 INFO L858 garLoopResultBuilder]: For program point L600-3(lines 600 605) no Hoare annotation was computed. [2021-11-20 23:23:39,476 INFO L858 garLoopResultBuilder]: For program point L563(lines 563 566) no Hoare annotation was computed. [2021-11-20 23:23:39,476 INFO L858 garLoopResultBuilder]: For program point L563-2(lines 563 566) no Hoare annotation was computed. [2021-11-20 23:23:39,476 INFO L858 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2021-11-20 23:23:39,476 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 592 597) no Hoare annotation was computed. [2021-11-20 23:23:39,476 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 592 597) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_104| (_ BitVec 64))) (and (not (bvslt (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_104|)) (_ bv1043333120 32))) (= |__kernel_tan_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_104|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_104|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_104|))))) [2021-11-20 23:23:39,476 INFO L858 garLoopResultBuilder]: For program point L559-2(line 559) no Hoare annotation was computed. [2021-11-20 23:23:39,476 INFO L858 garLoopResultBuilder]: For program point L592-3(lines 592 597) no Hoare annotation was computed. [2021-11-20 23:23:39,476 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 551 555) no Hoare annotation was computed. [2021-11-20 23:23:39,476 INFO L854 garLoopResultBuilder]: At program point L551-2(lines 551 555) the Hoare annotation is: (and (= __kernel_tan_~iy |__kernel_tan_#in~iy|) (= __kernel_tan_~x |__kernel_tan_#in~x|)) [2021-11-20 23:23:39,477 INFO L858 garLoopResultBuilder]: For program point L551-3(lines 549 560) no Hoare annotation was computed. [2021-11-20 23:23:39,477 INFO L861 garLoopResultBuilder]: At program point L663(lines 646 664) the Hoare annotation is: true [2021-11-20 23:23:39,477 INFO L854 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: false [2021-11-20 23:23:39,477 INFO L858 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2021-11-20 23:23:39,477 INFO L854 garLoopResultBuilder]: At program point L630-2(lines 611 632) the Hoare annotation is: (and (= (_ +zero 11 53) |ULTIMATE.start_tan_double_~x#1|) (= (_ +zero 11 53) |ULTIMATE.start_tan_double_#res#1|)) [2021-11-20 23:23:39,478 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 39) no Hoare annotation was computed. [2021-11-20 23:23:39,478 INFO L858 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2021-11-20 23:23:39,478 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 236) no Hoare annotation was computed. [2021-11-20 23:23:39,478 INFO L858 garLoopResultBuilder]: For program point L268-1(lines 190 360) no Hoare annotation was computed. [2021-11-20 23:23:39,478 INFO L858 garLoopResultBuilder]: For program point L235-2(lines 190 360) no Hoare annotation was computed. [2021-11-20 23:23:39,479 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 474) no Hoare annotation was computed. [2021-11-20 23:23:39,479 INFO L858 garLoopResultBuilder]: For program point L402-1(lines 402 406) no Hoare annotation was computed. [2021-11-20 23:23:39,479 INFO L854 garLoopResultBuilder]: At program point L402-2(lines 402 406) the Hoare annotation is: false [2021-11-20 23:23:39,479 INFO L858 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-11-20 23:23:39,479 INFO L858 garLoopResultBuilder]: For program point L402-3(lines 402 406) no Hoare annotation was computed. [2021-11-20 23:23:39,479 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 270 271) no Hoare annotation was computed. [2021-11-20 23:23:39,480 INFO L854 garLoopResultBuilder]: At program point L270-3(lines 270 271) the Hoare annotation is: false [2021-11-20 23:23:39,480 INFO L858 garLoopResultBuilder]: For program point L270-4(lines 268 285) no Hoare annotation was computed. [2021-11-20 23:23:39,480 INFO L858 garLoopResultBuilder]: For program point L337-2(lines 337 341) no Hoare annotation was computed. [2021-11-20 23:23:39,480 INFO L858 garLoopResultBuilder]: For program point L238(lines 190 360) no Hoare annotation was computed. [2021-11-20 23:23:39,480 INFO L854 garLoopResultBuilder]: At program point L337-3(lines 337 341) the Hoare annotation is: false [2021-11-20 23:23:39,481 INFO L858 garLoopResultBuilder]: For program point L337-4(lines 337 341) no Hoare annotation was computed. [2021-11-20 23:23:39,481 INFO L858 garLoopResultBuilder]: For program point L205-2(lines 205 206) no Hoare annotation was computed. [2021-11-20 23:23:39,481 INFO L854 garLoopResultBuilder]: At program point L205-3(lines 205 206) the Hoare annotation is: false [2021-11-20 23:23:39,481 INFO L858 garLoopResultBuilder]: For program point L205-4(lines 205 206) no Hoare annotation was computed. [2021-11-20 23:23:39,481 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 503 508) no Hoare annotation was computed. [2021-11-20 23:23:39,482 INFO L854 garLoopResultBuilder]: At program point L503-2(lines 503 508) the Hoare annotation is: false [2021-11-20 23:23:39,482 INFO L858 garLoopResultBuilder]: For program point L503-3(lines 503 508) no Hoare annotation was computed. [2021-11-20 23:23:39,482 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-20 23:23:39,482 INFO L858 garLoopResultBuilder]: For program point L206-2(line 206) no Hoare annotation was computed. [2021-11-20 23:23:39,482 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 484) no Hoare annotation was computed. [2021-11-20 23:23:39,483 INFO L858 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2021-11-20 23:23:39,483 INFO L858 garLoopResultBuilder]: For program point L273-1(lines 273 274) no Hoare annotation was computed. [2021-11-20 23:23:39,483 INFO L858 garLoopResultBuilder]: For program point L273-3(lines 273 274) no Hoare annotation was computed. [2021-11-20 23:23:39,483 INFO L854 garLoopResultBuilder]: At program point L273-4(lines 273 274) the Hoare annotation is: false [2021-11-20 23:23:39,483 INFO L858 garLoopResultBuilder]: For program point L273-5(lines 273 274) no Hoare annotation was computed. [2021-11-20 23:23:39,484 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 80) no Hoare annotation was computed. [2021-11-20 23:23:39,484 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 21 82) no Hoare annotation was computed. [2021-11-20 23:23:39,484 INFO L858 garLoopResultBuilder]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2021-11-20 23:23:39,484 INFO L858 garLoopResultBuilder]: For program point L637-1(lines 637 641) no Hoare annotation was computed. [2021-11-20 23:23:39,484 INFO L854 garLoopResultBuilder]: At program point L637-2(lines 637 641) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short144#1| (= (_ +zero 11 53) |ULTIMATE.start_tan_double_~x#1|) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start_tan_double_#res#1|) (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|)) [2021-11-20 23:23:39,484 INFO L858 garLoopResultBuilder]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2021-11-20 23:23:39,485 INFO L854 garLoopResultBuilder]: At program point L439(line 439) the Hoare annotation is: false [2021-11-20 23:23:39,485 INFO L858 garLoopResultBuilder]: For program point L439-1(line 439) no Hoare annotation was computed. [2021-11-20 23:23:39,485 INFO L858 garLoopResultBuilder]: For program point L307-2(lines 307 310) no Hoare annotation was computed. [2021-11-20 23:23:39,485 INFO L854 garLoopResultBuilder]: At program point L307-3(lines 307 310) the Hoare annotation is: false [2021-11-20 23:23:39,485 INFO L858 garLoopResultBuilder]: For program point L241-2(lines 241 250) no Hoare annotation was computed. [2021-11-20 23:23:39,486 INFO L858 garLoopResultBuilder]: For program point L307-4(lines 307 310) no Hoare annotation was computed. [2021-11-20 23:23:39,486 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 212) no Hoare annotation was computed. [2021-11-20 23:23:39,486 INFO L854 garLoopResultBuilder]: At program point L241-3(lines 241 250) the Hoare annotation is: false [2021-11-20 23:23:39,486 INFO L854 garLoopResultBuilder]: At program point L208-3(lines 208 212) the Hoare annotation is: false [2021-11-20 23:23:39,486 INFO L858 garLoopResultBuilder]: For program point L241-4(lines 238 266) no Hoare annotation was computed. [2021-11-20 23:23:39,486 INFO L858 garLoopResultBuilder]: For program point L208-4(lines 208 212) no Hoare annotation was computed. [2021-11-20 23:23:39,486 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 44) no Hoare annotation was computed. [2021-11-20 23:23:39,486 INFO L858 garLoopResultBuilder]: For program point L209-2(lines 209 210) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L854 garLoopResultBuilder]: At program point L209-3(lines 209 210) the Hoare annotation is: false [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L209-4(lines 209 210) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 412) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 346) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L854 garLoopResultBuilder]: At program point L342-3(lines 342 346) the Hoare annotation is: false [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L342-4(lines 342 346) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L854 garLoopResultBuilder]: At program point L276-3(lines 276 281) the Hoare annotation is: false [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L276-4(lines 276 281) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 50) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 247) no Hoare annotation was computed. [2021-11-20 23:23:39,487 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-11-20 23:23:39,488 INFO L858 garLoopResultBuilder]: For program point L46-2(lines 46 47) no Hoare annotation was computed. [2021-11-20 23:23:39,488 INFO L858 garLoopResultBuilder]: For program point L509-2(lines 509 512) no Hoare annotation was computed. [2021-11-20 23:23:39,488 INFO L854 garLoopResultBuilder]: At program point L509-3(lines 509 512) the Hoare annotation is: false [2021-11-20 23:23:39,488 INFO L858 garLoopResultBuilder]: For program point L509-4(lines 509 512) no Hoare annotation was computed. [2021-11-20 23:23:39,488 INFO L858 garLoopResultBuilder]: For program point L278-2(lines 278 279) no Hoare annotation was computed. [2021-11-20 23:23:39,488 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 279) the Hoare annotation is: false [2021-11-20 23:23:39,488 INFO L858 garLoopResultBuilder]: For program point L278-4(lines 278 279) no Hoare annotation was computed. [2021-11-20 23:23:39,488 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-11-20 23:23:39,488 INFO L858 garLoopResultBuilder]: For program point L444-2(lines 444 476) no Hoare annotation was computed. [2021-11-20 23:23:39,489 INFO L858 garLoopResultBuilder]: For program point L312-2(lines 312 316) no Hoare annotation was computed. [2021-11-20 23:23:39,489 INFO L854 garLoopResultBuilder]: At program point L312-3(lines 312 316) the Hoare annotation is: false [2021-11-20 23:23:39,489 INFO L858 garLoopResultBuilder]: For program point L312-4(lines 312 316) no Hoare annotation was computed. [2021-11-20 23:23:39,489 INFO L854 garLoopResultBuilder]: At program point L81(lines 21 82) the Hoare annotation is: false [2021-11-20 23:23:39,489 INFO L854 garLoopResultBuilder]: At program point L643(lines 634 644) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short144#1| (= (_ +zero 11 53) |ULTIMATE.start_tan_double_~x#1|) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|)) [2021-11-20 23:23:39,489 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 483) no Hoare annotation was computed. [2021-11-20 23:23:39,489 INFO L858 garLoopResultBuilder]: For program point L313-2(lines 313 314) no Hoare annotation was computed. [2021-11-20 23:23:39,490 INFO L854 garLoopResultBuilder]: At program point L313-3(lines 313 314) the Hoare annotation is: false [2021-11-20 23:23:39,490 INFO L858 garLoopResultBuilder]: For program point L313-4(lines 313 314) no Hoare annotation was computed. [2021-11-20 23:23:39,490 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 437) no Hoare annotation was computed. [2021-11-20 23:23:39,490 INFO L858 garLoopResultBuilder]: For program point L347-2(lines 347 348) no Hoare annotation was computed. [2021-11-20 23:23:39,490 INFO L854 garLoopResultBuilder]: At program point L347-3(lines 347 348) the Hoare annotation is: false [2021-11-20 23:23:39,491 INFO L858 garLoopResultBuilder]: For program point L347-4(lines 318 358) no Hoare annotation was computed. [2021-11-20 23:23:39,491 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 436) no Hoare annotation was computed. [2021-11-20 23:23:39,491 INFO L854 garLoopResultBuilder]: At program point L283(lines 190 360) the Hoare annotation is: false [2021-11-20 23:23:39,491 INFO L858 garLoopResultBuilder]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2021-11-20 23:23:39,491 INFO L854 garLoopResultBuilder]: At program point L217-3(lines 217 221) the Hoare annotation is: false [2021-11-20 23:23:39,491 INFO L854 garLoopResultBuilder]: At program point L217-4(lines 217 221) the Hoare annotation is: false [2021-11-20 23:23:39,492 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 74) no Hoare annotation was computed. [2021-11-20 23:23:39,492 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 515 516) no Hoare annotation was computed. [2021-11-20 23:23:39,492 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 423) no Hoare annotation was computed. [2021-11-20 23:23:39,492 INFO L854 garLoopResultBuilder]: At program point L515-3(lines 515 516) the Hoare annotation is: false [2021-11-20 23:23:39,492 INFO L858 garLoopResultBuilder]: For program point L515-4(lines 515 516) no Hoare annotation was computed. [2021-11-20 23:23:39,493 INFO L858 garLoopResultBuilder]: For program point L416-2(lines 416 423) no Hoare annotation was computed. [2021-11-20 23:23:39,493 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 23:23:39,493 INFO L858 garLoopResultBuilder]: For program point L251-1(lines 238 266) no Hoare annotation was computed. [2021-11-20 23:23:39,493 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 56) no Hoare annotation was computed. [2021-11-20 23:23:39,493 INFO L858 garLoopResultBuilder]: For program point L615-1(lines 615 619) no Hoare annotation was computed. [2021-11-20 23:23:39,493 INFO L854 garLoopResultBuilder]: At program point L615-2(lines 615 619) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start_tan_double_~x#1|) [2021-11-20 23:23:39,494 INFO L858 garLoopResultBuilder]: For program point L615-3(lines 615 619) no Hoare annotation was computed. [2021-11-20 23:23:39,494 INFO L858 garLoopResultBuilder]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2021-11-20 23:23:39,494 INFO L854 garLoopResultBuilder]: At program point L450-2(lines 450 454) the Hoare annotation is: false [2021-11-20 23:23:39,494 INFO L858 garLoopResultBuilder]: For program point L450-3(lines 450 454) no Hoare annotation was computed. [2021-11-20 23:23:39,494 INFO L854 garLoopResultBuilder]: At program point L318(lines 318 358) the Hoare annotation is: false [2021-11-20 23:23:39,495 INFO L854 garLoopResultBuilder]: At program point L252(lines 252 259) the Hoare annotation is: false [2021-11-20 23:23:39,495 INFO L858 garLoopResultBuilder]: For program point L319(line 319) no Hoare annotation was computed. [2021-11-20 23:23:39,495 INFO L858 garLoopResultBuilder]: For program point L253(line 253) no Hoare annotation was computed. [2021-11-20 23:23:39,495 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-11-20 23:23:39,495 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 489) no Hoare annotation was computed. [2021-11-20 23:23:39,495 INFO L858 garLoopResultBuilder]: For program point L321-2(lines 321 322) no Hoare annotation was computed. [2021-11-20 23:23:39,496 INFO L854 garLoopResultBuilder]: At program point L321-3(lines 321 322) the Hoare annotation is: false [2021-11-20 23:23:39,496 INFO L858 garLoopResultBuilder]: For program point L321-4(lines 318 358) no Hoare annotation was computed. [2021-11-20 23:23:39,496 INFO L858 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2021-11-20 23:23:39,496 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: false [2021-11-20 23:23:39,496 INFO L858 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2021-11-20 23:23:39,496 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:23:39,497 INFO L858 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2021-11-20 23:23:39,497 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-20 23:23:39,497 INFO L858 garLoopResultBuilder]: For program point L323-1(line 323) no Hoare annotation was computed. [2021-11-20 23:23:39,497 INFO L858 garLoopResultBuilder]: For program point L290-1(lines 290 293) no Hoare annotation was computed. [2021-11-20 23:23:39,497 INFO L854 garLoopResultBuilder]: At program point L290-3(lines 290 293) the Hoare annotation is: false [2021-11-20 23:23:39,498 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 60) no Hoare annotation was computed. [2021-11-20 23:23:39,498 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 475) no Hoare annotation was computed. [2021-11-20 23:23:39,498 INFO L858 garLoopResultBuilder]: For program point L456-1(lines 444 476) no Hoare annotation was computed. [2021-11-20 23:23:39,498 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 631) no Hoare annotation was computed. [2021-11-20 23:23:39,498 INFO L854 garLoopResultBuilder]: At program point L523(lines 395 524) the Hoare annotation is: false [2021-11-20 23:23:39,498 INFO L858 garLoopResultBuilder]: For program point L325(line 325) no Hoare annotation was computed. [2021-11-20 23:23:39,499 INFO L858 garLoopResultBuilder]: For program point L325-2(line 325) no Hoare annotation was computed. [2021-11-20 23:23:39,499 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 73) no Hoare annotation was computed. [2021-11-20 23:23:39,499 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 23:23:39,499 INFO L854 garLoopResultBuilder]: At program point L623(line 623) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start_tan_double_~x#1|) [2021-11-20 23:23:39,499 INFO L858 garLoopResultBuilder]: For program point L623-1(line 623) no Hoare annotation was computed. [2021-11-20 23:23:39,499 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 491 495) no Hoare annotation was computed. [2021-11-20 23:23:39,500 INFO L854 garLoopResultBuilder]: At program point L491-2(lines 491 495) the Hoare annotation is: false [2021-11-20 23:23:39,500 INFO L854 garLoopResultBuilder]: At program point L359(lines 189 360) the Hoare annotation is: false [2021-11-20 23:23:39,500 INFO L858 garLoopResultBuilder]: For program point L326(line 326) no Hoare annotation was computed. [2021-11-20 23:23:39,500 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 71) no Hoare annotation was computed. [2021-11-20 23:23:39,500 INFO L858 garLoopResultBuilder]: For program point L62-1(lines 62 71) no Hoare annotation was computed. [2021-11-20 23:23:39,500 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 236) no Hoare annotation was computed. [2021-11-20 23:23:39,501 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-11-20 23:23:39,501 INFO L858 garLoopResultBuilder]: For program point L658(line 658) no Hoare annotation was computed. [2021-11-20 23:23:39,501 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 631) no Hoare annotation was computed. [2021-11-20 23:23:39,501 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 661) no Hoare annotation was computed. [2021-11-20 23:23:39,501 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 434) no Hoare annotation was computed. [2021-11-20 23:23:39,502 INFO L858 garLoopResultBuilder]: For program point L427-2(lines 427 434) no Hoare annotation was computed. [2021-11-20 23:23:39,502 INFO L854 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: false [2021-11-20 23:23:39,502 INFO L858 garLoopResultBuilder]: For program point L295-1(line 295) no Hoare annotation was computed. [2021-11-20 23:23:39,502 INFO L858 garLoopResultBuilder]: For program point L328-2(lines 328 329) no Hoare annotation was computed. [2021-11-20 23:23:39,502 INFO L854 garLoopResultBuilder]: At program point L328-3(lines 328 329) the Hoare annotation is: false [2021-11-20 23:23:39,502 INFO L858 garLoopResultBuilder]: For program point L328-4(lines 318 358) no Hoare annotation was computed. [2021-11-20 23:23:39,503 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 74) no Hoare annotation was computed. [2021-11-20 23:23:39,503 INFO L858 garLoopResultBuilder]: For program point L659(line 659) no Hoare annotation was computed. [2021-11-20 23:23:39,503 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 303) no Hoare annotation was computed. [2021-11-20 23:23:39,503 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 264) no Hoare annotation was computed. [2021-11-20 23:23:39,503 INFO L854 garLoopResultBuilder]: At program point L296-2(lines 287 304) the Hoare annotation is: false [2021-11-20 23:23:39,504 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 51) no Hoare annotation was computed. [2021-11-20 23:23:39,504 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 23:23:39,504 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 659) no Hoare annotation was computed. [2021-11-20 23:23:39,504 INFO L858 garLoopResultBuilder]: For program point L462-1(lines 462 466) no Hoare annotation was computed. [2021-11-20 23:23:39,504 INFO L854 garLoopResultBuilder]: At program point L462-2(lines 462 466) the Hoare annotation is: false [2021-11-20 23:23:39,505 INFO L858 garLoopResultBuilder]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2021-11-20 23:23:39,505 INFO L858 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2021-11-20 23:23:39,505 INFO L854 garLoopResultBuilder]: At program point L264(line 264) the Hoare annotation is: false [2021-11-20 23:23:39,505 INFO L858 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2021-11-20 23:23:39,505 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 40) no Hoare annotation was computed. [2021-11-20 23:23:39,505 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 501) no Hoare annotation was computed. [2021-11-20 23:23:39,506 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 395 524) no Hoare annotation was computed. [2021-11-20 23:23:39,506 INFO L858 garLoopResultBuilder]: For program point L496-2(lines 496 501) no Hoare annotation was computed. [2021-11-20 23:23:39,506 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 200) no Hoare annotation was computed. [2021-11-20 23:23:39,506 INFO L858 garLoopResultBuilder]: For program point L199-2(lines 199 200) no Hoare annotation was computed. [2021-11-20 23:23:39,506 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 68) no Hoare annotation was computed. [2021-11-20 23:23:39,506 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 39) no Hoare annotation was computed. [2021-11-20 23:23:39,507 INFO L858 garLoopResultBuilder]: For program point L67-2(lines 67 68) no Hoare annotation was computed. [2021-11-20 23:23:39,507 INFO L858 garLoopResultBuilder]: For program point L332-2(lines 332 333) no Hoare annotation was computed. [2021-11-20 23:23:39,507 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 236) no Hoare annotation was computed. [2021-11-20 23:23:39,507 INFO L854 garLoopResultBuilder]: At program point L332-3(lines 332 333) the Hoare annotation is: false [2021-11-20 23:23:39,507 INFO L858 garLoopResultBuilder]: For program point L332-4(lines 318 358) no Hoare annotation was computed. [2021-11-20 23:23:39,511 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:23:39,513 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:23:39,534 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,535 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,536 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,536 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,538 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,538 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:23:39 BoogieIcfgContainer [2021-11-20 23:23:39,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:23:39,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:23:39,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:23:39,543 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:23:39,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:21:02" (3/4) ... [2021-11-20 23:23:39,547 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:23:39,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-11-20 23:23:39,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-11-20 23:23:39,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-20 23:23:39,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tan [2021-11-20 23:23:39,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-11-20 23:23:39,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-20 23:23:39,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 23:23:39,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:23:39,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: iy == \old(iy) && x == \old(x) [2021-11-20 23:23:39,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == \result [2021-11-20 23:23:39,620 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: iy == \old(iy) && x == \old(x) [2021-11-20 23:23:39,621 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == x) && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x [2021-11-20 23:23:39,621 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == x) && 0bv32 == \result [2021-11-20 23:23:39,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_104 : bv64 :: !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_104[63:32]), 1043333120bv32) && \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_104[63:63], v_skolemized_q#valueAsBitvector_104[62:52], v_skolemized_q#valueAsBitvector_104[51:0])) [2021-11-20 23:23:39,625 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_104 : bv64 :: !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_104[63:32]), 1043333120bv32) && \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_104[63:63], v_skolemized_q#valueAsBitvector_104[62:52], v_skolemized_q#valueAsBitvector_104[51:0])) [2021-11-20 23:23:39,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:23:39,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:23:39,787 INFO L158 Benchmark]: Toolchain (without parser) took 215767.73ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 36.5MB in the beginning and 26.2MB in the end (delta: 10.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2021-11-20 23:23:39,787 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:23:39,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.81ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 34.5MB in the end (delta: 1.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-11-20 23:23:39,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.95ms. Allocated memory is still 58.7MB. Free memory was 34.5MB in the beginning and 28.5MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:23:39,789 INFO L158 Benchmark]: Boogie Preprocessor took 135.31ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 28.5MB in the beginning and 50.2MB in the end (delta: -21.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-20 23:23:39,790 INFO L158 Benchmark]: RCFGBuilder took 57045.36ms. Allocated memory is still 73.4MB. Free memory was 50.2MB in the beginning and 39.9MB in the end (delta: 10.3MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-20 23:23:39,791 INFO L158 Benchmark]: TraceAbstraction took 157466.83ms. Allocated memory is still 73.4MB. Free memory was 39.6MB in the beginning and 28.7MB in the end (delta: 10.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-11-20 23:23:39,791 INFO L158 Benchmark]: Witness Printer took 243.24ms. Allocated memory is still 73.4MB. Free memory was 28.7MB in the beginning and 26.2MB in the end (delta: 2.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-20 23:23:39,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.81ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 34.5MB in the end (delta: 1.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.95ms. Allocated memory is still 58.7MB. Free memory was 34.5MB in the beginning and 28.5MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.31ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 28.5MB in the beginning and 50.2MB in the end (delta: -21.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * RCFGBuilder took 57045.36ms. Allocated memory is still 73.4MB. Free memory was 50.2MB in the beginning and 39.9MB in the end (delta: 10.3MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * TraceAbstraction took 157466.83ms. Allocated memory is still 73.4MB. Free memory was 39.6MB in the beginning and 28.7MB in the end (delta: 10.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Witness Printer took 243.24ms. Allocated memory is still 73.4MB. Free memory was 28.7MB in the beginning and 26.2MB in the end (delta: 2.5MB). Peak memory consumption was 11.3MB. 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[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,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: 659]: 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, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 157.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 69.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 60.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 1919 SdHoareTripleChecker+Invalid, 56.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 142 IncrementalHoareTripleChecker+Unchecked, 1315 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 266 IncrementalHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 604 mSDtfsCounter, 266 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 217 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 37.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=0, InterpolantAutomatonStates: 48, 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, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 155 PreInvPairs, 169 NumberOfFragments, 149 HoareAnnotationTreeSize, 155 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 35 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 15.4s SatisfiabilityAnalysisTime, 65.2s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 276 ConstructedInterpolants, 49 QuantifiedInterpolants, 1808 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1944 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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: 634]: Loop Invariant Derived loop invariant: (aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == x) && 0bv32 == \result - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: (((aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == x) && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: iy == \old(iy) && x == \old(x) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: iy == \old(iy) && x == \old(x) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant [2021-11-20 23:23:39,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,854 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,854 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_104 : bv64 :: !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_104[63:32]), 1043333120bv32) && \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_104[63:63], v_skolemized_q#valueAsBitvector_104[62:52], v_skolemized_q#valueAsBitvector_104[51:0])) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant [2021-11-20 23:23:39,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 23:23:39,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_104 : bv64 :: !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_104[63:32]), 1043333120bv32) && \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_104[63:63], v_skolemized_q#valueAsBitvector_104[62:52], v_skolemized_q#valueAsBitvector_104[51:0])) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-20 23:23:40,073 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 23:23:40,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e480b-db43-43ed-9ec5-e07ba490bbe6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE