./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF --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 5423b27090f3cf0121cc8887f927af7adf1f36a8d0cd9b6a020d1176d1eeff74 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:36:42,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:36:42,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:36:42,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:36:42,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:36:42,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:36:42,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:36:42,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:36:42,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:36:42,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:36:42,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:36:42,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:36:42,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:36:42,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:36:42,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:36:42,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:36:42,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:36:42,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:36:42,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:36:42,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:36:42,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:36:42,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:36:42,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:36:42,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:36:42,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:36:42,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:36:42,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:36:42,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:36:42,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:36:42,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:36:42,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:36:42,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:36:42,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:36:42,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:36:42,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:36:42,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:36:42,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:36:42,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:36:42,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:36:42,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:36:42,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:36:42,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 02:36:42,573 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:36:42,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:36:42,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:36:42,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:36:42,577 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:36:42,577 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:36:42,577 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:36:42,577 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:36:42,584 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:36:42,584 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:36:42,585 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:36:42,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:36:42,586 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:36:42,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:36:42,586 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:36:42,587 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:36:42,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:36:42,588 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:36:42,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:36:42,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:36:42,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:36:42,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:36:42,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:36:42,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:36:42,589 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:36:42,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:36:42,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:36:42,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:36:42,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:36:42,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:36:42,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:36:42,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:42,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:36:42,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:36:42,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:36:42,594 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:36:42,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:36:42,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:36:42,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:36:42,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:36:42,595 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_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5423b27090f3cf0121cc8887f927af7adf1f36a8d0cd9b6a020d1176d1eeff74 [2021-11-13 02:36:42,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:36:42,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:36:42,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:36:42,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:36:42,895 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:36:42,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c [2021-11-13 02:36:42,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data/16c4c67d1/81d8d3b8f0464d97b94f09c669bce47f/FLAG5be46916e [2021-11-13 02:36:43,551 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:36:43,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c [2021-11-13 02:36:43,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data/16c4c67d1/81d8d3b8f0464d97b94f09c669bce47f/FLAG5be46916e [2021-11-13 02:36:43,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data/16c4c67d1/81d8d3b8f0464d97b94f09c669bce47f [2021-11-13 02:36:43,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:36:43,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:36:43,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:43,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:36:43,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:36:43,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:43" (1/1) ... [2021-11-13 02:36:43,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56576b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:43, skipping insertion in model container [2021-11-13 02:36:43,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:43" (1/1) ... [2021-11-13 02:36:43,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:36:43,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:36:44,129 WARN L228 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_73bb81b2-dfdc-465c-9183-b8898d143676/sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c[686,699] [2021-11-13 02:36:44,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:44,246 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:36:44,259 WARN L228 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_73bb81b2-dfdc-465c-9183-b8898d143676/sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c[686,699] [2021-11-13 02:36:44,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:44,357 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:36:44,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44 WrapperNode [2021-11-13 02:36:44,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:44,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:36:44,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:36:44,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:36:44,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:36:44,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:36:44,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:36:44,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:36:44,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:36:44,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:36:44,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:36:44,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:36:44,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:44,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:36:44,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:36:44,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:36:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-13 02:36:44,628 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-13 02:36:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:36:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-13 02:36:44,629 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-13 02:36:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-13 02:36:44,629 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-13 02:36:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:36:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-13 02:36:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:36:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:36:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-13 02:36:45,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:36:45,360 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 02:36:45,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:36:45 BoogieIcfgContainer [2021-11-13 02:36:45,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:36:45,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:36:45,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:36:45,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:36:45,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:36:43" (1/3) ... [2021-11-13 02:36:45,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405e248d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:36:45, skipping insertion in model container [2021-11-13 02:36:45,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44" (2/3) ... [2021-11-13 02:36:45,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405e248d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:36:45, skipping insertion in model container [2021-11-13 02:36:45,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:36:45" (3/3) ... [2021-11-13 02:36:45,372 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_smallrange.c [2021-11-13 02:36:45,378 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:36:45,378 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:36:45,446 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:36:45,453 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 [2021-11-13 02:36:45,454 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:36:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-13 02:36:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:36:45,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:45,479 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] [2021-11-13 02:36:45,480 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:36:45,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:45,486 INFO L85 PathProgramCache]: Analyzing trace with hash -570811808, now seen corresponding path program 1 times [2021-11-13 02:36:45,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:36:45,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673710728] [2021-11-13 02:36:45,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:45,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:36:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:36:45,792 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 02:36:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:36:46,042 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-13 02:36:46,046 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 02:36:46,047 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 02:36:46,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:36:46,057 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-13 02:36:46,061 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:36:46,101 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 02:36:46,108 INFO L158 Benchmark]: Toolchain (without parser) took 2229.28ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.1MB in the beginning and 80.4MB in the end (delta: -23.3MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2021-11-13 02:36:46,110 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:36:46,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.45ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.0MB in the beginning and 75.5MB in the end (delta: -18.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:36:46,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.04ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 71.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 02:36:46,114 INFO L158 Benchmark]: Boogie Preprocessor took 87.03ms. Allocated memory is still 111.1MB. Free memory was 70.8MB in the beginning and 67.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 02:36:46,120 INFO L158 Benchmark]: RCFGBuilder took 836.79ms. Allocated memory is still 111.1MB. Free memory was 67.6MB in the beginning and 42.0MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-13 02:36:46,122 INFO L158 Benchmark]: TraceAbstraction took 740.84ms. Allocated memory is still 111.1MB. Free memory was 41.5MB in the beginning and 81.0MB in the end (delta: -39.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2021-11-13 02:36:46,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.45ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.0MB in the beginning and 75.5MB in the end (delta: -18.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.04ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 71.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.03ms. Allocated memory is still 111.1MB. Free memory was 70.8MB in the beginning and 67.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 836.79ms. Allocated memory is still 111.1MB. Free memory was 67.6MB in the beginning and 42.0MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 740.84ms. Allocated memory is still 111.1MB. Free memory was 41.5MB in the beginning and 81.0MB in the end (delta: -39.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 02:36:46,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF --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 5423b27090f3cf0121cc8887f927af7adf1f36a8d0cd9b6a020d1176d1eeff74 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:36:48,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:36:48,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:36:48,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:36:48,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:36:48,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:36:48,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:36:48,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:36:48,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:36:48,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:36:48,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:36:48,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:36:48,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:36:48,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:36:48,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:36:48,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:36:48,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:36:48,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:36:48,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:36:48,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:36:48,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:36:48,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:36:48,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:36:48,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:36:48,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:36:48,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:36:48,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:36:48,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:36:48,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:36:48,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:36:48,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:36:48,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:36:48,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:36:48,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:36:48,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:36:48,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:36:48,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:36:48,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:36:48,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:36:48,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:36:48,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:36:48,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-13 02:36:48,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:36:48,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:36:48,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:36:48,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:36:48,907 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:36:48,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:36:48,908 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:36:48,908 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:36:48,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:36:48,908 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:36:48,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:36:48,912 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:36:48,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:36:48,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:36:48,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:36:48,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:36:48,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:36:48,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:36:48,914 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:36:48,914 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:36:48,914 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:36:48,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:36:48,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:36:48,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:36:48,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:36:48,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:36:48,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:36:48,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:48,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:36:48,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:36:48,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:36:48,918 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:36:48,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:36:48,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:36:48,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:36:48,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:36:48,919 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_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5423b27090f3cf0121cc8887f927af7adf1f36a8d0cd9b6a020d1176d1eeff74 [2021-11-13 02:36:49,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:36:49,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:36:49,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:36:49,399 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:36:49,400 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:36:49,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c [2021-11-13 02:36:49,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data/00ae2b4aa/3695fa0e16c049bfaa8cd27ed2e365f3/FLAG88d46c6f3 [2021-11-13 02:36:50,151 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:36:50,152 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c [2021-11-13 02:36:50,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data/00ae2b4aa/3695fa0e16c049bfaa8cd27ed2e365f3/FLAG88d46c6f3 [2021-11-13 02:36:50,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/data/00ae2b4aa/3695fa0e16c049bfaa8cd27ed2e365f3 [2021-11-13 02:36:50,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:36:50,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:36:50,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:50,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:36:50,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:36:50,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e607cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50, skipping insertion in model container [2021-11-13 02:36:50,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:36:50,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:36:50,354 WARN L228 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_73bb81b2-dfdc-465c-9183-b8898d143676/sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c[686,699] [2021-11-13 02:36:50,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:50,512 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:36:50,548 WARN L228 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_73bb81b2-dfdc-465c-9183-b8898d143676/sv-benchmarks/c/float-benchs/sin_interpolated_smallrange.c[686,699] [2021-11-13 02:36:50,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:50,711 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:36:50,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50 WrapperNode [2021-11-13 02:36:50,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:50,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:36:50,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:36:50,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:36:50,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:36:50,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:36:50,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:36:50,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:36:50,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:36:50,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:36:50,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:36:50,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:36:50,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (1/1) ... [2021-11-13 02:36:50,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:36:50,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:36:50,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:36:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-13 02:36:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-13 02:36:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-13 02:36:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:36:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-13 02:36:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-13 02:36:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-13 02:36:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-13 02:36:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:36:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-13 02:36:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:36:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:36:55,442 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:36:55,443 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 02:36:55,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:36:55 BoogieIcfgContainer [2021-11-13 02:36:55,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:36:55,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:36:55,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:36:55,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:36:55,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:36:50" (1/3) ... [2021-11-13 02:36:55,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5109fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:36:55, skipping insertion in model container [2021-11-13 02:36:55,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:50" (2/3) ... [2021-11-13 02:36:55,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5109fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:36:55, skipping insertion in model container [2021-11-13 02:36:55,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:36:55" (3/3) ... [2021-11-13 02:36:55,456 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_smallrange.c [2021-11-13 02:36:55,462 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:36:55,463 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:36:55,524 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:36:55,532 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 [2021-11-13 02:36:55,533 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:36:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-13 02:36:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 02:36:55,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:55,572 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] [2021-11-13 02:36:55,572 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:36:55,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:55,584 INFO L85 PathProgramCache]: Analyzing trace with hash 2073759057, now seen corresponding path program 1 times [2021-11-13 02:36:55,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:55,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691708816] [2021-11-13 02:36:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:55,609 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:55,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:55,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:55,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:36:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:59,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 02:36:59,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:36:59,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:36:59,866 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:59,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691708816] [2021-11-13 02:36:59,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691708816] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:59,870 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:59,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 02:36:59,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438391665] [2021-11-13 02:36:59,875 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:59,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 02:36:59,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:59,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 02:36:59,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:36:59,936 INFO L87 Difference]: Start difference. First operand has 39 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 02:36:59,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:59,980 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2021-11-13 02:36:59,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 02:36:59,982 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 26 [2021-11-13 02:36:59,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:59,993 INFO L225 Difference]: With dead ends: 76 [2021-11-13 02:36:59,994 INFO L226 Difference]: Without dead ends: 35 [2021-11-13 02:36:59,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:37:00,003 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:00,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 2.83ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 02:37:00,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-13 02:37:00,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-13 02:37:00,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-13 02:37:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2021-11-13 02:37:00,098 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 26 [2021-11-13 02:37:00,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:00,099 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2021-11-13 02:37:00,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 02:37:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2021-11-13 02:37:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 02:37:00,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:00,104 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] [2021-11-13 02:37:00,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:00,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:00,306 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:37:00,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:00,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1300246029, now seen corresponding path program 1 times [2021-11-13 02:37:00,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:00,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779768207] [2021-11-13 02:37:00,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:00,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:00,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:00,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:00,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:37:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:05,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 02:37:05,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:08,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:29,062 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:29,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779768207] [2021-11-13 02:37:29,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779768207] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:29,063 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:29,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-11-13 02:37:29,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187124954] [2021-11-13 02:37:29,064 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:29,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 02:37:29,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:29,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 02:37:29,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-11-13 02:37:29,068 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-13 02:37:37,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:39,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:41,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:44,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:46,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:52,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:54,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:54,314 INFO L93 Difference]: Finished difference Result 96 states and 113 transitions. [2021-11-13 02:37:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 02:37:54,316 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 26 [2021-11-13 02:37:54,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:54,319 INFO L225 Difference]: With dead ends: 96 [2021-11-13 02:37:54,319 INFO L226 Difference]: Without dead ends: 63 [2021-11-13 02:37:54,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2021-11-13 02:37:54,322 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 123 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 21 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16941.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.21ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 17503.46ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:54,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 114 Invalid, 191 Unknown, 0 Unchecked, 6.21ms Time], IncrementalHoareTripleChecker [21 Valid, 132 Invalid, 5 Unknown, 33 Unchecked, 17503.46ms Time] [2021-11-13 02:37:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-11-13 02:37:54,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 44. [2021-11-13 02:37:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-13 02:37:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2021-11-13 02:37:54,336 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 26 [2021-11-13 02:37:54,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:54,337 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-11-13 02:37:54,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-13 02:37:54,338 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2021-11-13 02:37:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 02:37:54,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:54,339 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] [2021-11-13 02:37:54,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:54,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:54,562 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:37:54,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:54,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1329967437, now seen corresponding path program 1 times [2021-11-13 02:37:54,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:54,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869815997] [2021-11-13 02:37:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:54,568 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:54,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:54,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:54,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bb81b2-dfdc-465c-9183-b8898d143676/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:38:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:01,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-13 02:38:01,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:53,975 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (= (let ((.cse1 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) |c_SIN_0_180_#in~x|))) (let ((.cse2 ((_ fp.to_sbv 32) roundTowardZero .cse1))) (let ((.cse4 (select |c_#memory_int| |c_~#T~0.base|)) (.cse5 (bvmul .cse2 (_ bv8 32)))) (let ((.cse0 (let ((.cse6 (concat (select .cse4 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse5)) (select .cse4 (bvadd |c_~#T~0.offset| .cse5))))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))))) (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.sub c_currentRoundingMode (let ((.cse3 (concat (select .cse4 (bvadd |c_~#T~0.offset| .cse5 (_ bv12 32))) (select .cse4 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse5))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) .cse0))))))) |c_SIN_0_180_#res|) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse7 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse7 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse7 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= |c_~#T~0.offset| (_ bv0 32)) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-13 02:38:56,074 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (= (let ((.cse1 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) |c_SIN_0_180_#in~x|))) (let ((.cse2 ((_ fp.to_sbv 32) roundTowardZero .cse1))) (let ((.cse4 (select |c_#memory_int| |c_~#T~0.base|)) (.cse5 (bvmul .cse2 (_ bv8 32)))) (let ((.cse0 (let ((.cse6 (concat (select .cse4 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse5)) (select .cse4 (bvadd |c_~#T~0.offset| .cse5))))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))))) (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.sub c_currentRoundingMode (let ((.cse3 (concat (select .cse4 (bvadd |c_~#T~0.offset| .cse5 (_ bv12 32))) (select .cse4 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse5))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) .cse0))))))) |c_SIN_0_180_#res|) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse7 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse7 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse7 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= |c_~#T~0.offset| (_ bv0 32)) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-13 02:40:28,108 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse0 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse0 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= |c_~#T~0.offset| (_ bv0 32)) (fp.lt |c_SIN_180_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (= |c_SIN_180_#t~ret9| (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) (fp.neg |c_SIN_180_#in~x|)))) (let ((.cse3 ((_ fp.to_sbv 32) roundTowardZero .cse2))) (let ((.cse5 (select |c_#memory_int| |c_~#T~0.base|)) (.cse6 (bvmul .cse3 (_ bv8 32)))) (let ((.cse1 (let ((.cse7 (concat (select .cse5 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse6)) (select .cse5 (bvadd |c_~#T~0.offset| .cse6))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))) (fp.add c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (concat (select .cse5 (bvadd |c_~#T~0.offset| .cse6 (_ bv12 32))) (select .cse5 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse6))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) .cse1)))))))) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-13 02:40:30,139 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse0 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse0 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= |c_~#T~0.offset| (_ bv0 32)) (fp.lt |c_SIN_180_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (= |c_SIN_180_#t~ret9| (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) (fp.neg |c_SIN_180_#in~x|)))) (let ((.cse3 ((_ fp.to_sbv 32) roundTowardZero .cse2))) (let ((.cse5 (select |c_#memory_int| |c_~#T~0.base|)) (.cse6 (bvmul .cse3 (_ bv8 32)))) (let ((.cse1 (let ((.cse7 (concat (select .cse5 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse6)) (select .cse5 (bvadd |c_~#T~0.offset| .cse6))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))) (fp.add c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (concat (select .cse5 (bvadd |c_~#T~0.offset| .cse6 (_ bv12 32))) (select .cse5 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse6))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) .cse1)))))))) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-13 02:41:19,401 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse0 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse0 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= |c_~#T~0.offset| (_ bv0 32)) (fp.lt |c_SIN_180_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven) (= (fp.neg (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) (fp.neg |c_SIN_180_#in~x|)))) (let ((.cse3 ((_ fp.to_sbv 32) roundTowardZero .cse2))) (let ((.cse5 (select |c_#memory_int| |c_~#T~0.base|)) (.cse6 (bvmul .cse3 (_ bv8 32)))) (let ((.cse1 (let ((.cse7 (concat (select .cse5 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse6)) (select .cse5 (bvadd |c_~#T~0.offset| .cse6))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))) (fp.add c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (concat (select .cse5 (bvadd |c_~#T~0.offset| .cse6 (_ bv12 32))) (select .cse5 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse6))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) .cse1)))))))) |c_SIN_180_#res|)) is different from false [2021-11-13 02:42:47,750 WARN L227 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:42:52,856 WARN L227 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 16 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:42:57,926 WARN L227 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 9 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:43:03,017 WARN L227 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 10 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:43:08,232 WARN L227 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:43:10,508 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 (fp.sub c_currentRoundingMode |c_SIN_POS_#in~x| (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse9 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse9)))))))) (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (fp.gt |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse0 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse0 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= (fp.neg (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) (fp.neg .cse8)))) (let ((.cse3 ((_ fp.to_sbv 32) roundTowardZero .cse2))) (let ((.cse5 (select |c_#memory_int| |c_~#T~0.base|)) (.cse6 (bvmul .cse3 (_ bv8 32)))) (let ((.cse1 (let ((.cse7 (concat (select .cse5 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse6)) (select .cse5 (bvadd |c_~#T~0.offset| .cse6))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))) (fp.add c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (concat (select .cse5 (bvadd |c_~#T~0.offset| (_ bv12 32) .cse6)) (select .cse5 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse6))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) .cse1)))))))) |c_SIN_POS_#t~ret11|) (= |c_~#T~0.offset| (_ bv0 32)) (fp.lt .cse8 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-11-13 02:43:12,712 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse8 (fp.sub c_currentRoundingMode |c_SIN_POS_#in~x| (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse9 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse9)))))))) (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (fp.gt |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse0 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse0 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= (fp.neg (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) (fp.neg .cse8)))) (let ((.cse3 ((_ fp.to_sbv 32) roundTowardZero .cse2))) (let ((.cse5 (select |c_#memory_int| |c_~#T~0.base|)) (.cse6 (bvmul .cse3 (_ bv8 32)))) (let ((.cse1 (let ((.cse7 (concat (select .cse5 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse6)) (select .cse5 (bvadd |c_~#T~0.offset| .cse6))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))) (fp.add c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (concat (select .cse5 (bvadd |c_~#T~0.offset| (_ bv12 32) .cse6)) (select .cse5 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse6))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) .cse1)))))))) |c_SIN_POS_#t~ret11|) (= |c_~#T~0.offset| (_ bv0 32)) (fp.lt .cse8 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-11-13 02:43:32,657 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 7 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:43:37,664 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:44:02,561 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:44:07,652 WARN L227 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 10 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:44:12,727 WARN L227 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:44:14,988 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.sub c_currentRoundingMode |c_SIN_POS_#in~x| (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse9 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse9)))))))) (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (fp.gt |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse0 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse0 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= |c_~#T~0.offset| (_ bv0 32)) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (= |c_SIN_POS_#res| (fp.neg (let ((.cse3 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) (fp.neg .cse1)))) (let ((.cse4 ((_ fp.to_sbv 32) roundTowardZero .cse3))) (let ((.cse6 (select |c_#memory_int| |c_~#T~0.base|)) (.cse7 (bvmul .cse4 (_ bv8 32)))) (let ((.cse2 (let ((.cse8 (concat (select .cse6 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse7)) (select .cse6 (bvadd |c_~#T~0.offset| .cse7))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))))) (fp.add c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (fp.sub c_currentRoundingMode (let ((.cse5 (concat (select .cse6 (bvadd |c_~#T~0.offset| (_ bv12 32) .cse7)) (select .cse6 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse7))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) .cse2))))))))) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-11-13 02:44:17,211 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.sub c_currentRoundingMode |c_SIN_POS_#in~x| (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse9 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse9)))))))) (and (exists ((v_skolemized_v_prenex_359_3 (_ BitVec 64))) (and (= (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv20 32))) ((_ extract 63 32) v_skolemized_v_prenex_359_3)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 13959798681.0 400000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_359_3) ((_ extract 62 52) v_skolemized_v_prenex_359_3) ((_ extract 51 0) v_skolemized_v_prenex_359_3))))) (fp.gt |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (exists ((v_skolemized_v_prenex_309_3 (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#T~0.base|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_309_3) ((_ extract 62 52) v_skolemized_v_prenex_309_3) ((_ extract 51 0) v_skolemized_v_prenex_309_3))) (= (select .cse0 (bvadd (_ bv4 32) |c_~#T~0.offset|)) ((_ extract 63 32) v_skolemized_v_prenex_309_3)) (= (select .cse0 |c_~#T~0.offset|) ((_ extract 31 0) v_skolemized_v_prenex_309_3))))) (= |c_~#T~0.offset| (_ bv0 32)) (fp.lt .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (= |c_SIN_POS_#res| (fp.neg (let ((.cse3 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32)) (fp.neg .cse1)))) (let ((.cse4 ((_ fp.to_sbv 32) roundTowardZero .cse3))) (let ((.cse6 (select |c_#memory_int| |c_~#T~0.base|)) (.cse7 (bvmul .cse4 (_ bv8 32)))) (let ((.cse2 (let ((.cse8 (concat (select .cse6 (bvadd (_ bv4 32) |c_~#T~0.offset| .cse7)) (select .cse6 (bvadd |c_~#T~0.offset| .cse7))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))))) (fp.add c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (fp.sub c_currentRoundingMode (let ((.cse5 (concat (select .cse6 (bvadd |c_~#T~0.offset| (_ bv12 32) .cse7)) (select .cse6 (bvadd |c_~#T~0.offset| (_ bv8 32) .cse7))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) .cse2))))))))) (exists ((v_skolemized_v_prenex_223_3 (_ BitVec 64))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 109077540233.0 6250000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_223_3) ((_ extract 62 52) v_skolemized_v_prenex_223_3) ((_ extract 51 0) v_skolemized_v_prenex_223_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_223_3) (select (select |c_#memory_int| |c_~#T~0.base|) (bvadd |c_~#T~0.offset| (_ bv12 32)))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-11-13 02:44:22,366 WARN L227 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:45:11,641 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:45:16,723 WARN L227 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:48:38,590 WARN L227 SmtUtils]: Spent 3.36m on a formula simplification. DAG size of input: 125 DAG size of output: 69 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 02:48:38,592 INFO L354 Elim1Store]: treesize reduction 830, result has 29.1 percent of original size [2021-11-13 02:48:38,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 943 treesize of output 559 [2021-11-13 02:48:43,835 WARN L227 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 41 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:48:48,901 WARN L227 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 25 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:48:54,075 WARN L227 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 42 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:49:04,221 WARN L227 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 25 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:49:09,443 WARN L227 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 41 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:49:14,520 WARN L227 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 24 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:49:39,270 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 41 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:49:59,045 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 25 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:09,040 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 23 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:14,088 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:19,102 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:24,140 WARN L227 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 25 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:34,135 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:39,516 WARN L227 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 25 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:44,885 WARN L227 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 23 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:49,985 WARN L227 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:50:55,379 WARN L227 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 42 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:51:00,725 WARN L227 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 24 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 02:51:11,215 WARN L227 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 23 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)