./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH --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 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:38:51,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:38:51,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:38:51,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:38:51,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:38:51,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:38:51,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:38:51,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:38:51,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:38:51,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:38:51,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:38:51,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:38:51,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:38:51,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:38:51,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:38:51,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:38:51,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:38:51,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:38:51,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:38:51,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:38:51,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:38:51,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:38:51,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:38:51,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:38:51,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:38:51,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:38:51,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:38:51,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:38:51,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:38:51,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:38:51,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:38:51,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:38:51,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:38:51,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:38:51,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:38:51,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:38:51,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:38:51,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:38:51,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:38:51,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:38:51,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:38:51,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:38:51,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:38:51,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:38:51,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:38:51,662 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:38:51,663 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:38:51,663 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:38:51,663 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:38:51,663 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:38:51,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:38:51,664 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:38:51,664 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:38:51,664 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:38:51,664 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:38:51,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:38:51,665 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:38:51,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:38:51,665 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:38:51,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:38:51,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:38:51,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:38:51,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:38:51,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:38:51,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:38:51,667 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:38:51,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:38:51,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:38:51,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:38:51,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:38:51,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:38:51,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:38:51,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:38:51,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:38:51,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:38:51,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:38:51,669 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:38:51,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:38:51,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:38:51,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:38:51,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:38:51,670 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_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f [2021-11-03 04:38:51,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:38:51,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:38:51,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:38:51,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:38:51,946 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:38:51,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-11-03 04:38:52,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data/744d6052a/36f074e26b3840da940f136c211abb7b/FLAG12a71a1fe [2021-11-03 04:38:52,482 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:38:52,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-11-03 04:38:52,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data/744d6052a/36f074e26b3840da940f136c211abb7b/FLAG12a71a1fe [2021-11-03 04:38:52,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data/744d6052a/36f074e26b3840da940f136c211abb7b [2021-11-03 04:38:52,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:38:52,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:38:52,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:52,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:38:52,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:38:52,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:52" (1/1) ... [2021-11-03 04:38:52,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41624c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:52, skipping insertion in model container [2021-11-03 04:38:52,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:52" (1/1) ... [2021-11-03 04:38:52,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:38:52,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:38:53,134 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_7c43cefc-f9fb-4965-8c39-97079ae39c90/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-11-03 04:38:53,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:38:53,146 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:38:53,197 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_7c43cefc-f9fb-4965-8c39-97079ae39c90/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-11-03 04:38:53,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:38:53,215 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:38:53,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53 WrapperNode [2021-11-03 04:38:53,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:53,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:38:53,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:38:53,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:38:53,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:38:53,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:38:53,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:38:53,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:38:53,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:38:53,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:38:53,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:38:53,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:38:53,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (1/1) ... [2021-11-03 04:38:53,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:38:53,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:38:53,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:38:53,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:38:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:38:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:38:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-03 04:38:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:38:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-03 04:38:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:38:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:38:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:38:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-03 04:38:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:38:54,350 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:38:54,350 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-03 04:38:54,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:38:54 BoogieIcfgContainer [2021-11-03 04:38:54,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:38:54,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:38:54,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:38:54,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:38:54,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:38:52" (1/3) ... [2021-11-03 04:38:54,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523896d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:38:54, skipping insertion in model container [2021-11-03 04:38:54,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:53" (2/3) ... [2021-11-03 04:38:54,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523896d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:38:54, skipping insertion in model container [2021-11-03 04:38:54,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:38:54" (3/3) ... [2021-11-03 04:38:54,361 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661a.c [2021-11-03 04:38:54,367 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:38:54,367 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:38:54,410 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:38:54,417 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 [2021-11-03 04:38:54,417 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:38:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 76 states have (on average 1.75) internal successors, (133), 77 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:38:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 04:38:54,438 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:38:54,439 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:38:54,439 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:38:54,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:38:54,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1265042603, now seen corresponding path program 1 times [2021-11-03 04:38:54,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:38:54,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195567533] [2021-11-03 04:38:54,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:38:54,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:38:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:38:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:38:54,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:38:54,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195567533] [2021-11-03 04:38:54,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195567533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:38:54,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:38:54,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:38:54,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085909273] [2021-11-03 04:38:54,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:38:54,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:38:54,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:38:54,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:38:54,649 INFO L87 Difference]: Start difference. First operand has 78 states, 76 states have (on average 1.75) internal successors, (133), 77 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:38:54,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:38:54,687 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2021-11-03 04:38:54,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:38:54,688 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-03 04:38:54,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:38:54,698 INFO L225 Difference]: With dead ends: 154 [2021-11-03 04:38:54,699 INFO L226 Difference]: Without dead ends: 75 [2021-11-03 04:38:54,702 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:38:54,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-03 04:38:54,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-03 04:38:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:38:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-11-03 04:38:54,745 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2021-11-03 04:38:54,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:38:54,746 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-11-03 04:38:54,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:38:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-11-03 04:38:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 04:38:54,747 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:38:54,748 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:38:54,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:38:54,748 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:38:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:38:54,752 INFO L85 PathProgramCache]: Analyzing trace with hash -417694818, now seen corresponding path program 1 times [2021-11-03 04:38:54,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:38:54,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247937391] [2021-11-03 04:38:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:38:54,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:38:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:38:54,887 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 04:38:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:38:55,030 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 04:38:55,031 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 04:38:55,032 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:38:55,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:38:55,043 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-03 04:38:55,046 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:38:55,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:38:55 BoogieIcfgContainer [2021-11-03 04:38:55,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:38:55,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:38:55,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:38:55,108 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:38:55,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:38:54" (3/4) ... [2021-11-03 04:38:55,111 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 04:38:55,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:38:55,113 INFO L168 Benchmark]: Toolchain (without parser) took 2251.50 ms. Allocated memory was 109.1 MB in the beginning and 142.6 MB in the end (delta: 33.6 MB). Free memory was 76.4 MB in the beginning and 108.6 MB in the end (delta: -32.2 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:55,113 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 109.1 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:38:55,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.43 ms. Allocated memory is still 109.1 MB. Free memory was 76.1 MB in the beginning and 79.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:55,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.46 ms. Allocated memory is still 109.1 MB. Free memory was 79.4 MB in the beginning and 76.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:55,121 INFO L168 Benchmark]: Boogie Preprocessor took 69.18 ms. Allocated memory is still 109.1 MB. Free memory was 76.3 MB in the beginning and 73.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:55,124 INFO L168 Benchmark]: RCFGBuilder took 976.48 ms. Allocated memory was 109.1 MB in the beginning and 142.6 MB in the end (delta: 33.6 MB). Free memory was 73.5 MB in the beginning and 99.9 MB in the end (delta: -26.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:55,125 INFO L168 Benchmark]: TraceAbstraction took 751.94 ms. Allocated memory is still 142.6 MB. Free memory was 99.2 MB in the beginning and 108.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:55,125 INFO L168 Benchmark]: Witness Printer took 3.57 ms. Allocated memory is still 142.6 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:38:55,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 109.1 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.43 ms. Allocated memory is still 109.1 MB. Free memory was 76.1 MB in the beginning and 79.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.46 ms. Allocated memory is still 109.1 MB. Free memory was 79.4 MB in the beginning and 76.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.18 ms. Allocated memory is still 109.1 MB. Free memory was 76.3 MB in the beginning and 73.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 976.48 ms. Allocated memory was 109.1 MB in the beginning and 142.6 MB in the end (delta: 33.6 MB). Free memory was 73.5 MB in the beginning and 99.9 MB in the end (delta: -26.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 751.94 ms. Allocated memory is still 142.6 MB. Free memory was 99.2 MB in the beginning and 108.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.57 ms. Allocated memory is still 142.6 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 230]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 219, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = __VERIFIER_nondet_float(); [L219] float y = -0.0f; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] COND TRUE x > 0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L227] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -0.0f VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L230] reach_error() VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 108 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-03 04:38:55,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/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_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH --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 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:38:57,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:38:57,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:38:57,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:38:57,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:38:57,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:38:57,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:38:57,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:38:57,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:38:57,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:38:57,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:38:57,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:38:57,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:38:57,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:38:57,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:38:57,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:38:57,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:38:57,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:38:57,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:38:57,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:38:57,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:38:57,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:38:57,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:38:57,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:38:57,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:38:57,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:38:57,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:38:57,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:38:57,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:38:57,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:38:57,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:38:57,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:38:57,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:38:57,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:38:57,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:38:57,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:38:57,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:38:57,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:38:57,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:38:57,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:38:57,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:38:57,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:38:57,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:38:57,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:38:57,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:38:57,662 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:38:57,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:38:57,662 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:38:57,662 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:38:57,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:38:57,663 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:38:57,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:38:57,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:38:57,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:38:57,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:38:57,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:38:57,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:38:57,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:38:57,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:38:57,665 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:38:57,665 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:38:57,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:38:57,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:38:57,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:38:57,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:38:57,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:38:57,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:38:57,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:38:57,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:38:57,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:38:57,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:38:57,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:38:57,671 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:38:57,672 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:38:57,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:38:57,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:38:57,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:38:57,673 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_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f [2021-11-03 04:38:58,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:38:58,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:38:58,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:38:58,070 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:38:58,071 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:38:58,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-11-03 04:38:58,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data/d9eabdfd7/f6d922998e26447782c0d05b1ef4176f/FLAGe2fc4ad91 [2021-11-03 04:38:58,578 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:38:58,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-11-03 04:38:58,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data/d9eabdfd7/f6d922998e26447782c0d05b1ef4176f/FLAGe2fc4ad91 [2021-11-03 04:38:58,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/data/d9eabdfd7/f6d922998e26447782c0d05b1ef4176f [2021-11-03 04:38:58,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:38:58,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:38:58,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:58,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:38:58,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:38:58,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:58" (1/1) ... [2021-11-03 04:38:58,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468e513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:58, skipping insertion in model container [2021-11-03 04:38:58,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:58" (1/1) ... [2021-11-03 04:38:58,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:38:59,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:38:59,189 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_7c43cefc-f9fb-4965-8c39-97079ae39c90/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-11-03 04:38:59,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:38:59,206 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:38:59,303 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_7c43cefc-f9fb-4965-8c39-97079ae39c90/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-11-03 04:38:59,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:38:59,331 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:38:59,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59 WrapperNode [2021-11-03 04:38:59,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:59,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:38:59,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:38:59,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:38:59,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:38:59,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:38:59,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:38:59,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:38:59,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:38:59,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:38:59,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:38:59,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:38:59,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (1/1) ... [2021-11-03 04:38:59,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:38:59,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:38:59,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:38:59,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:38:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-03 04:38:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:38:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:38:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-03 04:38:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:38:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:38:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:38:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-03 04:38:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:38:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:39:23,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:39:23,760 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-03 04:39:23,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:23 BoogieIcfgContainer [2021-11-03 04:39:23,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:39:23,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:39:23,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:39:23,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:39:23,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:38:58" (1/3) ... [2021-11-03 04:39:23,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6be922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:23, skipping insertion in model container [2021-11-03 04:39:23,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:59" (2/3) ... [2021-11-03 04:39:23,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6be922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:23, skipping insertion in model container [2021-11-03 04:39:23,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:23" (3/3) ... [2021-11-03 04:39:23,785 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661a.c [2021-11-03 04:39:23,792 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:39:23,792 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:39:23,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:39:23,840 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 [2021-11-03 04:39:23,840 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:39:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:39:23,862 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:23,863 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:23,863 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:39:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:23,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-11-03 04:39:23,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:23,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111058004] [2021-11-03 04:39:23,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:23,883 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:23,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:23,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:23,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:39:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:24,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:39:24,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:24,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:24,952 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:39:24,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111058004] [2021-11-03 04:39:24,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111058004] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:39:24,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:39:24,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:39:24,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468537790] [2021-11-03 04:39:24,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:39:24,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:39:24,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:39:24,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:39:24,984 INFO L87 Difference]: Start difference. First operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:25,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:25,032 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2021-11-03 04:39:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:39:25,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 04:39:25,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:25,046 INFO L225 Difference]: With dead ends: 219 [2021-11-03 04:39:25,046 INFO L226 Difference]: Without dead ends: 107 [2021-11-03 04:39:25,052 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:39:25,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-03 04:39:25,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-03 04:39:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2021-11-03 04:39:25,095 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2021-11-03 04:39:25,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:25,095 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2021-11-03 04:39:25,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:25,095 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-11-03 04:39:25,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 04:39:25,096 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:25,096 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:25,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:25,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:39:25,319 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:39:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:25,320 INFO L85 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2021-11-03 04:39:25,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:25,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409762462] [2021-11-03 04:39:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:25,321 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:25,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:25,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:25,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:39:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:26,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 04:39:26,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:26,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-11-03 04:39:26,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-03 04:39:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:27,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:29,577 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:39:29,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409762462] [2021-11-03 04:39:29,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409762462] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:39:29,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:39:29,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-03 04:39:29,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865655350] [2021-11-03 04:39:29,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 04:39:29,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:39:29,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 04:39:29,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:39:29,581 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:49,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:49,590 INFO L93 Difference]: Finished difference Result 163 states and 235 transitions. [2021-11-03 04:39:49,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:39:49,615 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 04:39:49,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:49,617 INFO L225 Difference]: With dead ends: 163 [2021-11-03 04:39:49,618 INFO L226 Difference]: Without dead ends: 98 [2021-11-03 04:39:49,620 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-11-03 04:39:49,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-03 04:39:49,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-11-03 04:39:49,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:49,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2021-11-03 04:39:49,634 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 13 [2021-11-03 04:39:49,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:49,635 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2021-11-03 04:39:49,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2021-11-03 04:39:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 04:39:49,636 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:49,636 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:49,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:49,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:39:49,851 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:39:49,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:49,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1269233595, now seen corresponding path program 1 times [2021-11-03 04:39:49,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:49,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945799126] [2021-11-03 04:39:49,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:49,853 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:49,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:49,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:49,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:39:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:50,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:39:50,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:51,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:52,619 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:39:52,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945799126] [2021-11-03 04:39:52,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945799126] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:39:52,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:39:52,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-03 04:39:52,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644849293] [2021-11-03 04:39:52,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 04:39:52,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:39:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 04:39:52,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:39:52,623 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:53,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:53,647 INFO L93 Difference]: Finished difference Result 163 states and 223 transitions. [2021-11-03 04:39:53,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:39:53,653 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 04:39:53,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:53,658 INFO L225 Difference]: With dead ends: 163 [2021-11-03 04:39:53,658 INFO L226 Difference]: Without dead ends: 102 [2021-11-03 04:39:53,659 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:39:53,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-11-03 04:39:53,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2021-11-03 04:39:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:53,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2021-11-03 04:39:53,681 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 18 [2021-11-03 04:39:53,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:53,681 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2021-11-03 04:39:53,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2021-11-03 04:39:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 04:39:53,683 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:53,683 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:53,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:53,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:39:53,888 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:39:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1326491897, now seen corresponding path program 1 times [2021-11-03 04:39:53,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:53,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984138719] [2021-11-03 04:39:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:53,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:53,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:53,893 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:53,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:39:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:54,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:39:54,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:55,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:55,762 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:39:55,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984138719] [2021-11-03 04:39:55,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984138719] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:39:55,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:39:55,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-03 04:39:55,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609394112] [2021-11-03 04:39:55,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 04:39:55,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:39:55,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 04:39:55,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:39:55,765 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:57,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:57,615 INFO L93 Difference]: Finished difference Result 102 states and 136 transitions. [2021-11-03 04:39:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:39:57,616 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 04:39:57,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:57,617 INFO L225 Difference]: With dead ends: 102 [2021-11-03 04:39:57,617 INFO L226 Difference]: Without dead ends: 98 [2021-11-03 04:39:57,618 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:39:57,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-03 04:39:57,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-11-03 04:39:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 97 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:57,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 132 transitions. [2021-11-03 04:39:57,643 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 132 transitions. Word has length 18 [2021-11-03 04:39:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:57,649 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 132 transitions. [2021-11-03 04:39:57,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 132 transitions. [2021-11-03 04:39:57,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 04:39:57,650 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:57,650 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:57,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:57,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:39:57,859 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:39:57,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1055279212, now seen corresponding path program 1 times [2021-11-03 04:39:57,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:57,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2147313952] [2021-11-03 04:39:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:57,860 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:57,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:57,861 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:57,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:39:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:58,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 04:39:58,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:58,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-11-03 04:39:59,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-11-03 04:40:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:00,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:01,555 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:01,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2147313952] [2021-11-03 04:40:01,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2147313952] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:01,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:01,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-03 04:40:01,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641986855] [2021-11-03 04:40:01,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 04:40:01,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:01,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 04:40:01,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:40:01,559 INFO L87 Difference]: Start difference. First operand 98 states and 132 transitions. Second operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:07,433 INFO L93 Difference]: Finished difference Result 102 states and 135 transitions. [2021-11-03 04:40:07,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:40:07,456 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-03 04:40:07,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:07,456 INFO L225 Difference]: With dead ends: 102 [2021-11-03 04:40:07,457 INFO L226 Difference]: Without dead ends: 39 [2021-11-03 04:40:07,457 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-11-03 04:40:07,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-03 04:40:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-11-03 04:40:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2021-11-03 04:40:07,463 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 20 [2021-11-03 04:40:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:07,463 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-11-03 04:40:07,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-03 04:40:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 04:40:07,464 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:07,465 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:40:07,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:07,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:07,671 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:40:07,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:07,671 INFO L85 PathProgramCache]: Analyzing trace with hash -323150641, now seen corresponding path program 1 times [2021-11-03 04:40:07,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:07,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305557517] [2021-11-03 04:40:07,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:07,672 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:07,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:07,674 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:07,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:40:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:08,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 04:40:08,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:09,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:10,210 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:10,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305557517] [2021-11-03 04:40:10,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305557517] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:10,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:10,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-03 04:40:10,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011803074] [2021-11-03 04:40:10,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 04:40:10,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:10,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 04:40:10,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-03 04:40:10,213 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:17,335 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2021-11-03 04:40:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:40:17,336 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-03 04:40:17,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:17,337 INFO L225 Difference]: With dead ends: 54 [2021-11-03 04:40:17,337 INFO L226 Difference]: Without dead ends: 33 [2021-11-03 04:40:17,338 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-11-03 04:40:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-03 04:40:17,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2021-11-03 04:40:17,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:17,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-11-03 04:40:17,342 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 20 [2021-11-03 04:40:17,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:17,343 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-11-03 04:40:17,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-03 04:40:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 04:40:17,344 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:17,344 INFO L513 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] [2021-11-03 04:40:17,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:17,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:17,545 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:40:17,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:17,546 INFO L85 PathProgramCache]: Analyzing trace with hash -2134513230, now seen corresponding path program 1 times [2021-11-03 04:40:17,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:17,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801230357] [2021-11-03 04:40:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:17,546 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:17,548 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:17,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:40:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:18,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:40:18,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:19,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:20,095 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:20,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801230357] [2021-11-03 04:40:20,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801230357] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:20,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:20,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-03 04:40:20,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276920248] [2021-11-03 04:40:20,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 04:40:20,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:20,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 04:40:20,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:40:20,098 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:29,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:29,484 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-11-03 04:40:29,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:40:29,484 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-03 04:40:29,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:29,485 INFO L225 Difference]: With dead ends: 33 [2021-11-03 04:40:29,485 INFO L226 Difference]: Without dead ends: 28 [2021-11-03 04:40:29,486 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2021-11-03 04:40:29,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-03 04:40:29,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-03 04:40:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2021-11-03 04:40:29,490 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 22 [2021-11-03 04:40:29,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:29,490 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2021-11-03 04:40:29,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2021-11-03 04:40:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:40:29,491 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:29,491 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:40:29,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:29,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:29,692 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:40:29,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:29,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1245613635, now seen corresponding path program 1 times [2021-11-03 04:40:29,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:29,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145341230] [2021-11-03 04:40:29,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:29,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:29,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:29,695 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:29,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 04:40:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:31,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:40:31,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:33,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:39,535 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:39,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145341230] [2021-11-03 04:40:39,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145341230] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:39,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:39,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-03 04:40:39,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175622093] [2021-11-03 04:40:39,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 04:40:39,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:39,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 04:40:39,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:40:39,539 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:40,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:40,479 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-11-03 04:40:40,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:40:40,480 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-03 04:40:40,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:40,480 INFO L225 Difference]: With dead ends: 28 [2021-11-03 04:40:40,480 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 04:40:40,481 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-03 04:40:40,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 04:40:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 04:40:40,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 04:40:40,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-11-03 04:40:40,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:40,482 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 04:40:40,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 04:40:40,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 04:40:40,486 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:40:40,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-03 04:40:40,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:40,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 04:40:40,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:40,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:40:42,181 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-03 04:40:42,181 INFO L857 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-11-03 04:40:42,181 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 04:40:42,181 INFO L860 garLoopResultBuilder]: At program point L235(lines 217 236) the Hoare annotation is: true [2021-11-03 04:40:42,182 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-11-03 04:40:42,182 INFO L853 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (forall ((|v_skolemized_q#valueAsBitvector_20| (_ BitVec 32))) (or (and (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_20|) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_20|)))))) (= .cse0 |ULTIMATE.start___ieee754_atan2f_#res|) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ULTIMATE.start_main_~y~0 .cse0))) [2021-11-03 04:40:42,182 INFO L857 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:40:42,183 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-11-03 04:40:42,183 INFO L857 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:40:42,183 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:40:42,183 INFO L857 garLoopResultBuilder]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2021-11-03 04:40:42,183 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:40:42,184 INFO L857 garLoopResultBuilder]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:40:42,184 INFO L857 garLoopResultBuilder]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2021-11-03 04:40:42,184 INFO L857 garLoopResultBuilder]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:40:42,184 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-11-03 04:40:42,184 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-11-03 04:40:42,184 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-11-03 04:40:42,185 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-11-03 04:40:42,185 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-11-03 04:40:42,185 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2021-11-03 04:40:42,185 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-11-03 04:40:42,185 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-11-03 04:40:42,185 INFO L857 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-11-03 04:40:42,186 INFO L857 garLoopResultBuilder]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2021-11-03 04:40:42,186 INFO L857 garLoopResultBuilder]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2021-11-03 04:40:42,186 INFO L857 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-11-03 04:40:42,186 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-11-03 04:40:42,186 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-11-03 04:40:42,186 INFO L857 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-11-03 04:40:42,186 INFO L857 garLoopResultBuilder]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2021-11-03 04:40:42,187 INFO L857 garLoopResultBuilder]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2021-11-03 04:40:42,187 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-03 04:40:42,187 INFO L857 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-11-03 04:40:42,187 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-11-03 04:40:42,187 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2021-11-03 04:40:42,187 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-11-03 04:40:42,188 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-11-03 04:40:42,188 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-11-03 04:40:42,188 INFO L853 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (= ULTIMATE.start_atan_float_~x .cse0) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start_main_~y~0 .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-03 04:40:42,188 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-11-03 04:40:42,189 INFO L857 garLoopResultBuilder]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2021-11-03 04:40:42,189 INFO L853 garLoopResultBuilder]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2021-11-03 04:40:42,189 INFO L857 garLoopResultBuilder]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2021-11-03 04:40:42,189 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-03 04:40:42,189 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 04:40:42,190 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-11-03 04:40:42,190 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-11-03 04:40:42,190 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-03 04:40:42,190 INFO L853 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ULTIMATE.start_main_~y~0 .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-03 04:40:42,191 INFO L857 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-03 04:40:42,191 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-11-03 04:40:42,191 INFO L853 garLoopResultBuilder]: At program point L26(lines 14 27) the Hoare annotation is: false [2021-11-03 04:40:42,191 INFO L853 garLoopResultBuilder]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2021-11-03 04:40:42,191 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2021-11-03 04:40:42,192 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-03 04:40:42,192 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-11-03 04:40:42,192 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-11-03 04:40:42,192 INFO L857 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-11-03 04:40:42,192 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2021-11-03 04:40:42,193 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-11-03 04:40:42,193 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-11-03 04:40:42,193 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 233) no Hoare annotation was computed. [2021-11-03 04:40:42,193 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-11-03 04:40:42,193 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-03 04:40:42,194 INFO L857 garLoopResultBuilder]: For program point L226-2(lines 226 233) no Hoare annotation was computed. [2021-11-03 04:40:42,194 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 04:40:42,194 INFO L857 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-11-03 04:40:42,194 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-03 04:40:42,194 INFO L857 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-11-03 04:40:42,195 INFO L857 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-11-03 04:40:42,195 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-03 04:40:42,195 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-03 04:40:42,195 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-11-03 04:40:42,195 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2021-11-03 04:40:42,196 INFO L857 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-11-03 04:40:42,196 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-11-03 04:40:42,196 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2021-11-03 04:40:42,196 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-03 04:40:42,196 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-03 04:40:42,196 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-11-03 04:40:42,197 INFO L857 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-11-03 04:40:42,197 INFO L853 garLoopResultBuilder]: At program point L113-3(lines 53 115) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (= ULTIMATE.start_atan_float_~x .cse0) (= .cse0 |ULTIMATE.start_atan_float_#res|) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start_main_~y~0 .cse0))) [2021-11-03 04:40:42,197 INFO L857 garLoopResultBuilder]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2021-11-03 04:40:42,197 INFO L857 garLoopResultBuilder]: For program point L113-4(line 113) no Hoare annotation was computed. [2021-11-03 04:40:42,198 INFO L857 garLoopResultBuilder]: For program point L113-6(line 113) no Hoare annotation was computed. [2021-11-03 04:40:42,198 INFO L853 garLoopResultBuilder]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2021-11-03 04:40:42,198 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-11-03 04:40:42,198 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-03 04:40:42,198 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-11-03 04:40:42,199 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) ULTIMATE.start___ieee754_atan2f_~ix~2) (fp.gt (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24))))) (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse1) (= ULTIMATE.start_main_~y~0 .cse1) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12|) (_ bv0 32)))) (and (fp.gt (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (_ +zero 8 24)) (= .cse2 ULTIMATE.start___ieee754_atan2f_~hx~1)))))) [2021-11-03 04:40:42,199 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-11-03 04:40:42,199 INFO L857 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-11-03 04:40:42,199 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2021-11-03 04:40:42,200 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-03 04:40:42,200 INFO L857 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2021-11-03 04:40:42,200 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-03 04:40:42,200 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 04:40:42,200 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 230) no Hoare annotation was computed. [2021-11-03 04:40:42,201 INFO L857 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-11-03 04:40:42,201 INFO L853 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2021-11-03 04:40:42,201 INFO L857 garLoopResultBuilder]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2021-11-03 04:40:42,201 INFO L853 garLoopResultBuilder]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2021-11-03 04:40:42,201 INFO L857 garLoopResultBuilder]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2021-11-03 04:40:42,202 INFO L853 garLoopResultBuilder]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2021-11-03 04:40:42,202 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-11-03 04:40:42,202 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-11-03 04:40:42,202 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-11-03 04:40:42,202 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2021-11-03 04:40:42,203 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-03 04:40:42,203 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-03 04:40:42,206 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:40:42,208 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:40:42,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,219 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,219 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,235 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,238 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,240 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,240 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:40:42 BoogieIcfgContainer [2021-11-03 04:40:42,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:40:42,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:40:42,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:40:42,248 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:40:42,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:23" (3/4) ... [2021-11-03 04:40:42,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 04:40:42,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-03 04:40:42,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-03 04:40:42,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:40:42,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:40:42,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE())) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][22:0]), ~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32] == hx) [2021-11-03 04:40:42,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (forall v_skolemized_q#valueAsBitvector_20 : bv32 :: (!~bvsgt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_20), 2139095040bv32) && !~bvsgt32(~bvand32(2147483647bv32, hx), 2139095040bv32)) || !(y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_20[31:31], v_skolemized_q#valueAsBitvector_20[30:23], v_skolemized_q#valueAsBitvector_20[22:0])))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2021-11-03 04:40:42,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-03 04:40:42,308 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2021-11-03 04:40:42,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 04:40:42,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:40:42,346 INFO L168 Benchmark]: Toolchain (without parser) took 103381.56 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 30.5 MB in the beginning and 47.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:42,347 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:40:42,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.50 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 30.3 MB in the beginning and 54.7 MB in the end (delta: -24.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:42,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.45 ms. Allocated memory is still 75.5 MB. Free memory was 54.7 MB in the beginning and 51.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:42,348 INFO L168 Benchmark]: Boogie Preprocessor took 98.24 ms. Allocated memory is still 75.5 MB. Free memory was 51.2 MB in the beginning and 47.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:42,349 INFO L168 Benchmark]: RCFGBuilder took 24260.84 ms. Allocated memory is still 75.5 MB. Free memory was 47.8 MB in the beginning and 53.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:42,349 INFO L168 Benchmark]: TraceAbstraction took 78475.01 ms. Allocated memory is still 75.5 MB. Free memory was 52.8 MB in the beginning and 23.5 MB in the end (delta: 29.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:42,349 INFO L168 Benchmark]: Witness Printer took 97.05 ms. Allocated memory is still 75.5 MB. Free memory was 23.5 MB in the beginning and 47.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:42,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 366.50 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 30.3 MB in the beginning and 54.7 MB in the end (delta: -24.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.45 ms. Allocated memory is still 75.5 MB. Free memory was 54.7 MB in the beginning and 51.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.24 ms. Allocated memory is still 75.5 MB. Free memory was 51.2 MB in the beginning and 47.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24260.84 ms. Allocated memory is still 75.5 MB. Free memory was 47.8 MB in the beginning and 53.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 78475.01 ms. Allocated memory is still 75.5 MB. Free memory was 52.8 MB in the beginning and 23.5 MB in the end (delta: 29.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * Witness Printer took 97.05 ms. Allocated memory is still 75.5 MB. Free memory was 23.5 MB in the beginning and 47.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 46.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 616 SDtfs, 2739 SDslu, 1135 SDs, 0 SdLazy, 302 SolverSat, 33 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 41.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 22 NumberOfFragments, 371 HoareAnnotationTreeSize, 15 FomulaSimplifications, 733 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.0s SatisfiabilityAnalysisTime, 20.7s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 278 ConstructedInterpolants, 43 QuantifiedInterpolants, 2258 SizeOfPredicates, 61 NumberOfNonLiveVariables, 969 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant [2021-11-03 04:40:42,367 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,367 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,367 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,367 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] Derived loop invariant: (((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant [2021-11-03 04:40:42,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,373 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,373 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,374 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,374 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,374 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,374 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,375 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 130]: Loop Invariant [2021-11-03 04:40:42,376 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,376 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:40:42,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-11-03 04:40:42,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] Derived loop invariant: (((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE())) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][22:0]), ~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32] == hx) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2021-11-03 04:40:42,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:40:42,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 120]: Loop Invariant [2021-11-03 04:40:42,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,386 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,386 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-03 04:40:42,386 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,386 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,386 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,386 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:40:42,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:40:42,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] Derived loop invariant: ((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (forall v_skolemized_q#valueAsBitvector_20 : bv32 :: (!~bvsgt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_20), 2139095040bv32) && !~bvsgt32(~bvand32(2147483647bv32, hx), 2139095040bv32)) || !(y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_20[31:31], v_skolemized_q#valueAsBitvector_20[30:23], v_skolemized_q#valueAsBitvector_20[22:0])))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-03 04:40:42,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c43cefc-f9fb-4965-8c39-97079ae39c90/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE