./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dd0192acc59b0f215b56c6e8f907f941322b485c9e75f22542266b1db6ae74a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:55:26,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:55:26,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:55:26,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:55:26,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:55:26,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:55:26,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:55:26,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:55:26,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:55:26,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:55:26,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:55:26,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:55:26,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:55:26,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:55:26,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:55:26,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:55:26,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:55:26,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:55:26,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:55:26,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:55:26,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:55:26,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:55:26,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:55:26,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:55:26,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:55:26,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:55:26,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:55:26,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:55:26,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:55:26,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:55:26,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:55:26,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:55:26,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:55:26,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:55:26,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:55:26,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:55:26,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:55:26,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:55:26,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:55:26,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:55:26,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:55:26,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:55:26,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:55:26,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:55:26,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:55:26,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:55:26,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:55:26,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:55:26,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:55:26,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:55:26,708 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:55:26,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:55:26,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:55:26,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:55:26,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:55:26,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:55:26,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:55:26,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:55:26,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:55:26,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:55:26,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:55:26,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:55:26,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:55:26,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:55:26,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:55:26,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:55:26,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:26,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:55:26,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:55:26,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:55:26,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:55:26,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:55:26,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:55:26,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:55:26,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:55:26,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:55:26,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dd0192acc59b0f215b56c6e8f907f941322b485c9e75f22542266b1db6ae74a [2021-11-20 06:55:27,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:55:27,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:55:27,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:55:27,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:55:27,078 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:55:27,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c [2021-11-20 06:55:27,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data/8a2c74214/bf93ce271de74b5488a895f566d9fabd/FLAGb6c676795 [2021-11-20 06:55:27,869 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:55:27,870 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c [2021-11-20 06:55:27,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data/8a2c74214/bf93ce271de74b5488a895f566d9fabd/FLAGb6c676795 [2021-11-20 06:55:28,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data/8a2c74214/bf93ce271de74b5488a895f566d9fabd [2021-11-20 06:55:28,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:55:28,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:55:28,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:28,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:55:28,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:55:28,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:28,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4bc343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28, skipping insertion in model container [2021-11-20 06:55:28,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:28,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:55:28,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:55:28,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c[16384,16397] [2021-11-20 06:55:28,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:55:28,737 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:55:28,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c[16384,16397] [2021-11-20 06:55:28,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:55:28,962 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:55:28,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28 WrapperNode [2021-11-20 06:55:28,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:28,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:55:28,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:55:28,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:55:28,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,146 INFO L137 Inliner]: procedures = 26, calls = 400, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 978 [2021-11-20 06:55:29,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:55:29,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:55:29,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:55:29,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:55:29,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:55:29,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:55:29,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:55:29,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:55:29,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (1/1) ... [2021-11-20 06:55:29,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:29,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:55:29,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:55:29,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:55:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:55:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 06:55:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 06:55:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:55:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-20 06:55:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-20 06:55:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 06:55:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:55:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 06:55:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-11-20 06:55:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-11-20 06:55:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:55:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 06:55:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 06:55:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 06:55:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:55:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:55:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:55:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:55:29,689 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:55:29,691 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:55:31,000 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:55:31,024 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:55:31,025 INFO L301 CfgBuilder]: Removed 67 assume(true) statements. [2021-11-20 06:55:31,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:31 BoogieIcfgContainer [2021-11-20 06:55:31,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:55:31,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:55:31,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:55:31,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:55:31,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:55:28" (1/3) ... [2021-11-20 06:55:31,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27158ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:55:31, skipping insertion in model container [2021-11-20 06:55:31,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:28" (2/3) ... [2021-11-20 06:55:31,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27158ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:55:31, skipping insertion in model container [2021-11-20 06:55:31,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:31" (3/3) ... [2021-11-20 06:55:31,044 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530b.c [2021-11-20 06:55:31,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:55:31,052 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:55:31,140 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:55:31,159 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:55:31,162 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:55:31,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 240 states have (on average 1.675) internal successors, (402), 241 states have internal predecessors, (402), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 06:55:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 06:55:31,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:31,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:31,234 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:55:31,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:31,242 INFO L85 PathProgramCache]: Analyzing trace with hash 926671389, now seen corresponding path program 1 times [2021-11-20 06:55:31,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:55:31,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526254041] [2021-11-20 06:55:31,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:31,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:55:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:55:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:31,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:55:31,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526254041] [2021-11-20 06:55:31,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526254041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:55:31,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:55:31,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:55:31,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101137413] [2021-11-20 06:55:31,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:55:31,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:55:31,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:55:31,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:55:31,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:55:31,689 INFO L87 Difference]: Start difference. First operand has 257 states, 240 states have (on average 1.675) internal successors, (402), 241 states have internal predecessors, (402), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:55:31,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:55:31,783 INFO L93 Difference]: Finished difference Result 512 states and 857 transitions. [2021-11-20 06:55:31,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:55:31,785 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 06:55:31,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:55:31,800 INFO L225 Difference]: With dead ends: 512 [2021-11-20 06:55:31,800 INFO L226 Difference]: Without dead ends: 254 [2021-11-20 06:55:31,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:55:31,812 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:55:31,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:55:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-20 06:55:31,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-11-20 06:55:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 238 states have (on average 1.3907563025210083) internal successors, (331), 238 states have internal predecessors, (331), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 06:55:31,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 353 transitions. [2021-11-20 06:55:31,894 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 353 transitions. Word has length 10 [2021-11-20 06:55:31,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:55:31,894 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 353 transitions. [2021-11-20 06:55:31,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:55:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 353 transitions. [2021-11-20 06:55:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 06:55:31,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:31,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:31,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:55:31,897 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:55:31,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash -69731681, now seen corresponding path program 1 times [2021-11-20 06:55:31,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:55:31,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320748767] [2021-11-20 06:55:31,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:31,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:55:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:55:31,999 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:55:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:55:32,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:55:32,178 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:55:32,180 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:55:32,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:55:32,192 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 06:55:32,196 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:55:32,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:55:32 BoogieIcfgContainer [2021-11-20 06:55:32,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:55:32,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:55:32,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:55:32,295 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:55:32,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:31" (3/4) ... [2021-11-20 06:55:32,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:55:32,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:55:32,301 INFO L158 Benchmark]: Toolchain (without parser) took 4132.09ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 77.8MB in the beginning and 80.0MB in the end (delta: -2.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-20 06:55:32,301 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 79.7MB. Free memory was 38.0MB in the beginning and 37.9MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:55:32,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.35ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 65.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 06:55:32,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.75ms. Allocated memory is still 107.0MB. Free memory was 65.4MB in the beginning and 59.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:55:32,304 INFO L158 Benchmark]: Boogie Preprocessor took 120.70ms. Allocated memory is still 107.0MB. Free memory was 59.2MB in the beginning and 52.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:55:32,305 INFO L158 Benchmark]: RCFGBuilder took 1760.46ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 52.9MB in the beginning and 80.2MB in the end (delta: -27.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-20 06:55:32,305 INFO L158 Benchmark]: TraceAbstraction took 1259.70ms. Allocated memory is still 155.2MB. Free memory was 79.5MB in the beginning and 81.0MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:55:32,309 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 155.2MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:55:32,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 79.7MB. Free memory was 38.0MB in the beginning and 37.9MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.35ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 65.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.75ms. Allocated memory is still 107.0MB. Free memory was 65.4MB in the beginning and 59.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.70ms. Allocated memory is still 107.0MB. Free memory was 59.2MB in the beginning and 52.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1760.46ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 52.9MB in the beginning and 80.2MB in the end (delta: -27.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1259.70ms. Allocated memory is still 155.2MB. Free memory was 79.5MB in the beginning and 81.0MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 155.2MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 662]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 657, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of someBinaryDOUBLEComparisonOperation at line 661. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L108-L110] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L179] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L181-L186] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L188-L190] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L365-L376] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L378-L385] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L387-L396] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L529-L540] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L657] double x = -0.0; [L658] CALL, EXPR tan_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L619] ieee_double_shape_type gh_u; [L620] gh_u.value = (x) [L621] EXPR gh_u.parts.msw [L621] (ix) = gh_u.parts.msw [L624] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L625] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L628] COND TRUE ix >= 0x7ff00000 [L629] return x - x; [L629] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L658] RET, EXPR tan_double(x) [L658] double res = tan_double(x); [L661] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, res == -0.0 && __signbit_double(res) == 1=0, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] [L661] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L662] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 356 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 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 [2021-11-20 06:55:32,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/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_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dd0192acc59b0f215b56c6e8f907f941322b485c9e75f22542266b1db6ae74a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:55:35,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:55:35,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:55:35,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:55:35,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:55:35,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:55:35,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:55:35,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:55:35,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:55:35,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:55:35,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:55:35,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:55:35,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:55:35,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:55:35,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:55:35,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:55:35,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:55:35,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:55:35,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:55:35,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:55:35,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:55:35,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:55:35,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:55:35,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:55:35,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:55:35,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:55:35,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:55:35,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:55:35,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:55:35,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:55:35,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:55:35,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:55:35,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:55:35,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:55:35,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:55:35,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:55:35,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:55:35,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:55:35,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:55:35,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:55:35,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:55:35,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 06:55:35,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:55:35,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:55:35,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:55:35,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:55:35,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:55:35,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:55:35,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:55:35,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:55:35,705 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:55:35,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:55:35,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:55:35,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:55:35,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:55:35,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:55:35,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:55:35,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:55:35,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:55:35,709 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:55:35,710 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:55:35,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:55:35,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:55:35,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:55:35,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:55:35,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:55:35,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:55:35,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:55:35,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:35,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:55:35,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:55:35,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:55:35,713 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:55:35,713 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:55:35,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:55:35,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:55:35,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:55:35,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:55:35,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:55:35,715 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_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dd0192acc59b0f215b56c6e8f907f941322b485c9e75f22542266b1db6ae74a [2021-11-20 06:55:36,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:55:36,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:55:36,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:55:36,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:55:36,242 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:55:36,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c [2021-11-20 06:55:36,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data/0033672a7/17d79ffd08de4b329e3f0b549cb97ce9/FLAGef10d4717 [2021-11-20 06:55:37,165 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:55:37,166 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c [2021-11-20 06:55:37,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data/0033672a7/17d79ffd08de4b329e3f0b549cb97ce9/FLAGef10d4717 [2021-11-20 06:55:37,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/data/0033672a7/17d79ffd08de4b329e3f0b549cb97ce9 [2021-11-20 06:55:37,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:55:37,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:55:37,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:37,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:55:37,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:55:37,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:37" (1/1) ... [2021-11-20 06:55:37,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7eccb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:37, skipping insertion in model container [2021-11-20 06:55:37,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:37" (1/1) ... [2021-11-20 06:55:37,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:55:37,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:55:37,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c[16384,16397] [2021-11-20 06:55:37,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:55:38,009 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:55:38,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c[16384,16397] [2021-11-20 06:55:38,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:55:38,282 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:55:38,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38 WrapperNode [2021-11-20 06:55:38,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:38,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:55:38,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:55:38,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:55:38,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,459 INFO L137 Inliner]: procedures = 30, calls = 400, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 976 [2021-11-20 06:55:38,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:55:38,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:55:38,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:55:38,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:55:38,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:55:38,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:55:38,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:55:38,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:55:38,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (1/1) ... [2021-11-20 06:55:38,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:38,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:55:38,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:55:38,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:55:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:55:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 06:55:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 06:55:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 06:55:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 06:55:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:55:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 06:55:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:55:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-20 06:55:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-20 06:55:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-20 06:55:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:55:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-11-20 06:55:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-11-20 06:55:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 06:55:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 06:55:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:55:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:55:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:55:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:55:38,928 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:55:38,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:56:40,002 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:56:40,022 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:56:40,025 INFO L301 CfgBuilder]: Removed 67 assume(true) statements. [2021-11-20 06:56:40,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:40 BoogieIcfgContainer [2021-11-20 06:56:40,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:56:40,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:56:40,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:56:40,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:56:40,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:55:37" (1/3) ... [2021-11-20 06:56:40,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1851277c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:56:40, skipping insertion in model container [2021-11-20 06:56:40,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:38" (2/3) ... [2021-11-20 06:56:40,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1851277c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:56:40, skipping insertion in model container [2021-11-20 06:56:40,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:40" (3/3) ... [2021-11-20 06:56:40,072 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530b.c [2021-11-20 06:56:40,080 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:56:40,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:56:40,172 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:56:40,184 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:56:40,184 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:56:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 240 states have (on average 1.675) internal successors, (402), 241 states have internal predecessors, (402), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 06:56:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 06:56:40,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:40,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:40,234 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:40,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash 926671389, now seen corresponding path program 1 times [2021-11-20 06:56:40,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:40,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336214011] [2021-11-20 06:56:40,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:40,268 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:40,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:40,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:40,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 06:56:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:41,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 06:56:41,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:56:41,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:56:41,538 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:41,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336214011] [2021-11-20 06:56:41,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336214011] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:41,539 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:41,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:56:41,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211716073] [2021-11-20 06:56:41,542 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:41,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:56:41,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:41,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:56:41,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:56:41,587 INFO L87 Difference]: Start difference. First operand has 257 states, 240 states have (on average 1.675) internal successors, (402), 241 states have internal predecessors, (402), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:56:41,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:41,658 INFO L93 Difference]: Finished difference Result 512 states and 857 transitions. [2021-11-20 06:56:41,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:56:41,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 06:56:41,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:41,685 INFO L225 Difference]: With dead ends: 512 [2021-11-20 06:56:41,685 INFO L226 Difference]: Without dead ends: 254 [2021-11-20 06:56:41,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:56:41,704 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:41,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:56:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-20 06:56:41,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-11-20 06:56:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 238 states have (on average 1.3907563025210083) internal successors, (331), 238 states have internal predecessors, (331), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 06:56:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 353 transitions. [2021-11-20 06:56:41,811 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 353 transitions. Word has length 10 [2021-11-20 06:56:41,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:41,812 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 353 transitions. [2021-11-20 06:56:41,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:56:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 353 transitions. [2021-11-20 06:56:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 06:56:41,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:41,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:41,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-20 06:56:42,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:42,042 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:42,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:42,043 INFO L85 PathProgramCache]: Analyzing trace with hash -69731681, now seen corresponding path program 1 times [2021-11-20 06:56:42,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:42,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127996754] [2021-11-20 06:56:42,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:42,045 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:42,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:42,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:42,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 06:56:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:42,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:56:42,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:56:43,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:45,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:56:45,239 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:45,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127996754] [2021-11-20 06:56:45,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127996754] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:45,239 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:45,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 06:56:45,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776065714] [2021-11-20 06:56:45,240 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:45,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:56:45,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:45,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:56:45,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:56:45,244 INFO L87 Difference]: Start difference. First operand 254 states and 353 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:56:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:45,567 INFO L93 Difference]: Finished difference Result 298 states and 404 transitions. [2021-11-20 06:56:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:56:45,568 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 06:56:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:45,569 INFO L225 Difference]: With dead ends: 298 [2021-11-20 06:56:45,570 INFO L226 Difference]: Without dead ends: 52 [2021-11-20 06:56:45,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:56:45,573 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 5 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:45,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 333 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 5 Unchecked, 0.1s Time] [2021-11-20 06:56:45,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-20 06:56:45,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-20 06:56:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:56:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2021-11-20 06:56:45,582 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 11 [2021-11-20 06:56:45,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:45,583 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2021-11-20 06:56:45,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:56:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2021-11-20 06:56:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 06:56:45,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:45,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:45,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:45,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:45,802 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:45,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:45,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1211787692, now seen corresponding path program 1 times [2021-11-20 06:56:45,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:45,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218975635] [2021-11-20 06:56:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:45,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:45,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:45,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 06:56:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:53,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:56:53,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:56:55,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:01,605 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:57:01,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218975635] [2021-11-20 06:57:01,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218975635] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:01,606 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:01,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 06:57:01,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362687594] [2021-11-20 06:57:01,607 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:01,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:57:01,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:57:01,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:57:01,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:57:01,609 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:01,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:01,973 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2021-11-20 06:57:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:57:01,974 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-20 06:57:01,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:01,975 INFO L225 Difference]: With dead ends: 76 [2021-11-20 06:57:01,975 INFO L226 Difference]: Without dead ends: 52 [2021-11-20 06:57:01,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:57:01,978 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 52 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:01,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 347 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 56 Unchecked, 0.1s Time] [2021-11-20 06:57:01,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-20 06:57:01,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-20 06:57:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 47 states have internal predecessors, (55), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2021-11-20 06:57:01,986 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 22 [2021-11-20 06:57:01,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:01,987 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2021-11-20 06:57:01,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2021-11-20 06:57:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 06:57:01,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:01,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:02,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:02,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:57:02,202 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:02,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:02,203 INFO L85 PathProgramCache]: Analyzing trace with hash 396672805, now seen corresponding path program 1 times [2021-11-20 06:57:02,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:57:02,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335242188] [2021-11-20 06:57:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:02,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:57:02,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:57:02,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:57:02,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 06:57:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:09,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:57:09,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:12,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:28,698 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:57:28,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335242188] [2021-11-20 06:57:28,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335242188] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:28,699 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:28,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 06:57:28,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38690808] [2021-11-20 06:57:28,700 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:28,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:57:28,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:57:28,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:57:28,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:57:28,703 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:36,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:39,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:41,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:42,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:45,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:48,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:52,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:52,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:52,568 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2021-11-20 06:57:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:57:52,574 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-11-20 06:57:52,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:52,577 INFO L225 Difference]: With dead ends: 69 [2021-11-20 06:57:52,577 INFO L226 Difference]: Without dead ends: 43 [2021-11-20 06:57:52,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:57:52,580 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 60 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:52,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 165 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 22.8s Time] [2021-11-20 06:57:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-20 06:57:52,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-11-20 06:57:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2021-11-20 06:57:52,588 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 23 [2021-11-20 06:57:52,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:52,589 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2021-11-20 06:57:52,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-11-20 06:57:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 06:57:52,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:52,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:52,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-20 06:57:52,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:57:52,810 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:52,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:52,810 INFO L85 PathProgramCache]: Analyzing trace with hash -668408283, now seen corresponding path program 1 times [2021-11-20 06:57:52,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:57:52,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978114504] [2021-11-20 06:57:52,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:52,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:57:52,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:57:52,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:57:52,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 06:57:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:53,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 06:57:53,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:56,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:58:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:58:05,508 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:58:05,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978114504] [2021-11-20 06:58:05,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978114504] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:05,508 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:05,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-20 06:58:05,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218850540] [2021-11-20 06:58:05,509 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:05,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 06:58:05,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:58:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 06:58:05,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:58:05,511 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:58:10,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:14,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:20,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:20,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:20,404 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2021-11-20 06:58:20,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:58:20,406 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2021-11-20 06:58:20,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:20,407 INFO L225 Difference]: With dead ends: 58 [2021-11-20 06:58:20,407 INFO L226 Difference]: Without dead ends: 55 [2021-11-20 06:58:20,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:58:20,409 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:20,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 256 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2021-11-20 06:58:20,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-20 06:58:20,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 46. [2021-11-20 06:58:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 40 states have (on average 1.075) internal successors, (43), 40 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:58:20,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2021-11-20 06:58:20,418 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 25 [2021-11-20 06:58:20,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:20,418 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2021-11-20 06:58:20,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:58:20,419 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-11-20 06:58:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 06:58:20,420 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:20,421 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:20,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:58:20,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:58:20,629 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:58:20,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:20,630 INFO L85 PathProgramCache]: Analyzing trace with hash 11650087, now seen corresponding path program 1 times [2021-11-20 06:58:20,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:58:20,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839078108] [2021-11-20 06:58:20,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:20,631 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:58:20,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:58:20,634 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:58:20,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 06:58:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:22,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:58:22,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:58:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:58:23,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:58:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:58:25,536 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:58:25,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839078108] [2021-11-20 06:58:25,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839078108] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:25,536 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:25,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-20 06:58:25,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519373395] [2021-11-20 06:58:25,537 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:25,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:58:25,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:58:25,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:58:25,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:58:25,538 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:58:28,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:29,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:29,102 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2021-11-20 06:58:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:58:29,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-11-20 06:58:29,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:29,105 INFO L225 Difference]: With dead ends: 55 [2021-11-20 06:58:29,105 INFO L226 Difference]: Without dead ends: 30 [2021-11-20 06:58:29,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:58:29,108 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 8 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:29,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 96 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-20 06:58:29,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-20 06:58:29,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-20 06:58:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 27 states have (on average 1.0) internal successors, (27), 27 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:58:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2021-11-20 06:58:29,116 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 25 [2021-11-20 06:58:29,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:29,116 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2021-11-20 06:58:29,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:58:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2021-11-20 06:58:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 06:58:29,118 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:29,118 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:29,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:58:29,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:58:29,319 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:58:29,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1877250182, now seen corresponding path program 1 times [2021-11-20 06:58:29,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:58:29,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962188321] [2021-11-20 06:58:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:29,322 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:58:29,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:58:29,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:58:29,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 06:58:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:29,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 06:58:29,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:58:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:58:36,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:58:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:58:55,585 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:58:55,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962188321] [2021-11-20 06:58:55,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962188321] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:55,586 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:55,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 22 [2021-11-20 06:58:55,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396238929] [2021-11-20 06:58:55,587 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:55,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 06:58:55,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:58:55,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 06:58:55,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:58:55,589 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 20 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:59:05,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:05,160 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2021-11-20 06:59:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:59:05,160 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 20 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2021-11-20 06:59:05,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:05,161 INFO L225 Difference]: With dead ends: 30 [2021-11-20 06:59:05,161 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:59:05,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=117, Invalid=753, Unknown=0, NotChecked=0, Total=870 [2021-11-20 06:59:05,163 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 26 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:05,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 205 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 105 Invalid, 0 Unknown, 82 Unchecked, 3.8s Time] [2021-11-20 06:59:05,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:59:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:59:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:59:05,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-11-20 06:59:05,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:05,167 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:59:05,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 20 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:59:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:59:05,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:59:05,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:59:05,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-20 06:59:05,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:59:05,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:59:10,758 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-11-20 06:59:10,758 INFO L858 garLoopResultBuilder]: For program point L155-1(lines 155 160) no Hoare annotation was computed. [2021-11-20 06:59:10,758 INFO L861 garLoopResultBuilder]: At program point L155-2(lines 155 160) the Hoare annotation is: true [2021-11-20 06:59:10,759 INFO L858 garLoopResultBuilder]: For program point L155-3(lines 155 160) no Hoare annotation was computed. [2021-11-20 06:59:10,759 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 112 162) no Hoare annotation was computed. [2021-11-20 06:59:10,759 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 114 119) no Hoare annotation was computed. [2021-11-20 06:59:10,759 INFO L861 garLoopResultBuilder]: At program point L114-2(lines 114 119) the Hoare annotation is: true [2021-11-20 06:59:10,759 INFO L858 garLoopResultBuilder]: For program point L114-3(lines 114 119) no Hoare annotation was computed. [2021-11-20 06:59:10,760 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 147) no Hoare annotation was computed. [2021-11-20 06:59:10,760 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 132) no Hoare annotation was computed. [2021-11-20 06:59:10,760 INFO L861 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: true [2021-11-20 06:59:10,760 INFO L858 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2021-11-20 06:59:10,761 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 153) no Hoare annotation was computed. [2021-11-20 06:59:10,761 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 112 162) no Hoare annotation was computed. [2021-11-20 06:59:10,761 INFO L858 garLoopResultBuilder]: For program point L140-1(lines 140 145) no Hoare annotation was computed. [2021-11-20 06:59:10,761 INFO L861 garLoopResultBuilder]: At program point L140-2(lines 140 145) the Hoare annotation is: true [2021-11-20 06:59:10,761 INFO L858 garLoopResultBuilder]: For program point L140-3(lines 140 145) no Hoare annotation was computed. [2021-11-20 06:59:10,762 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 112 162) the Hoare annotation is: true [2021-11-20 06:59:10,762 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 152) no Hoare annotation was computed. [2021-11-20 06:59:10,762 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-11-20 06:59:10,762 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2021-11-20 06:59:10,763 INFO L861 garLoopResultBuilder]: At program point L125-2(lines 125 129) the Hoare annotation is: true [2021-11-20 06:59:10,763 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 129) no Hoare annotation was computed. [2021-11-20 06:59:10,763 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 133) no Hoare annotation was computed. [2021-11-20 06:59:10,763 INFO L858 garLoopResultBuilder]: For program point L121-2(lines 112 162) no Hoare annotation was computed. [2021-11-20 06:59:10,764 INFO L861 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: true [2021-11-20 06:59:10,764 INFO L858 garLoopResultBuilder]: For program point L150-1(line 150) no Hoare annotation was computed. [2021-11-20 06:59:10,764 INFO L861 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: true [2021-11-20 06:59:10,764 INFO L858 garLoopResultBuilder]: For program point L138-1(line 138) no Hoare annotation was computed. [2021-11-20 06:59:10,764 INFO L858 garLoopResultBuilder]: For program point L99-2(lines 99 104) no Hoare annotation was computed. [2021-11-20 06:59:10,765 INFO L858 garLoopResultBuilder]: For program point L89-1(lines 89 93) no Hoare annotation was computed. [2021-11-20 06:59:10,765 INFO L861 garLoopResultBuilder]: At program point L89-2(lines 89 93) the Hoare annotation is: true [2021-11-20 06:59:10,765 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 87 106) no Hoare annotation was computed. [2021-11-20 06:59:10,765 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 87 106) no Hoare annotation was computed. [2021-11-20 06:59:10,765 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 87 106) the Hoare annotation is: true [2021-11-20 06:59:10,766 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-11-20 06:59:10,766 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 87 106) no Hoare annotation was computed. [2021-11-20 06:59:10,766 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 104) no Hoare annotation was computed. [2021-11-20 06:59:10,766 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 87 106) no Hoare annotation was computed. [2021-11-20 06:59:10,766 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 163 177) no Hoare annotation was computed. [2021-11-20 06:59:10,767 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 163 177) the Hoare annotation is: true [2021-11-20 06:59:10,767 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 175) no Hoare annotation was computed. [2021-11-20 06:59:10,767 INFO L858 garLoopResultBuilder]: For program point L170-1(lines 163 177) no Hoare annotation was computed. [2021-11-20 06:59:10,767 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 170 175) no Hoare annotation was computed. [2021-11-20 06:59:10,767 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 163 177) no Hoare annotation was computed. [2021-11-20 06:59:10,768 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2021-11-20 06:59:10,768 INFO L861 garLoopResultBuilder]: At program point L165-2(lines 165 169) the Hoare annotation is: true [2021-11-20 06:59:10,768 INFO L854 garLoopResultBuilder]: At program point L560(line 560) the Hoare annotation is: (and (not (= |__kernel_tan_#in~iy| (_ bv1 32))) (= __kernel_tan_~iy |__kernel_tan_#in~iy|) (= __kernel_tan_~x |__kernel_tan_#in~x|)) [2021-11-20 06:59:10,768 INFO L858 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2021-11-20 06:59:10,769 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 611) no Hoare annotation was computed. [2021-11-20 06:59:10,769 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 563) no Hoare annotation was computed. [2021-11-20 06:59:10,769 INFO L858 garLoopResultBuilder]: For program point __kernel_tanFINAL(lines 542 612) no Hoare annotation was computed. [2021-11-20 06:59:10,769 INFO L861 garLoopResultBuilder]: At program point __kernel_tanENTRY(lines 542 612) the Hoare annotation is: true [2021-11-20 06:59:10,769 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 565 574) no Hoare annotation was computed. [2021-11-20 06:59:10,770 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 545 549) no Hoare annotation was computed. [2021-11-20 06:59:10,770 INFO L854 garLoopResultBuilder]: At program point L545-2(lines 545 549) the Hoare annotation is: (and (= __kernel_tan_~iy |__kernel_tan_#in~iy|) (= __kernel_tan_~x |__kernel_tan_#in~x|)) [2021-11-20 06:59:10,770 INFO L858 garLoopResultBuilder]: For program point L545-3(lines 545 549) no Hoare annotation was computed. [2021-11-20 06:59:10,770 INFO L858 garLoopResultBuilder]: For program point L603-1(lines 603 608) no Hoare annotation was computed. [2021-11-20 06:59:10,770 INFO L854 garLoopResultBuilder]: At program point L603-2(lines 603 608) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_104| (_ BitVec 64))) (and (not (bvslt (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_104|)) (_ bv1043333120 32))) (= |__kernel_tan_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_104|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_104|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_104|))))) [2021-11-20 06:59:10,771 INFO L858 garLoopResultBuilder]: For program point L603-3(lines 603 608) no Hoare annotation was computed. [2021-11-20 06:59:10,771 INFO L858 garLoopResultBuilder]: For program point __kernel_tanEXIT(lines 542 612) no Hoare annotation was computed. [2021-11-20 06:59:10,771 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 569) no Hoare annotation was computed. [2021-11-20 06:59:10,771 INFO L858 garLoopResultBuilder]: For program point L566-2(lines 566 569) no Hoare annotation was computed. [2021-11-20 06:59:10,771 INFO L858 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-11-20 06:59:10,772 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 595 600) no Hoare annotation was computed. [2021-11-20 06:59:10,772 INFO L854 garLoopResultBuilder]: At program point L595-2(lines 595 600) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_104| (_ BitVec 64))) (and (not (bvslt (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_104|)) (_ bv1043333120 32))) (= |__kernel_tan_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_104|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_104|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_104|))))) [2021-11-20 06:59:10,772 INFO L858 garLoopResultBuilder]: For program point L562-2(line 562) no Hoare annotation was computed. [2021-11-20 06:59:10,772 INFO L858 garLoopResultBuilder]: For program point L595-3(lines 595 600) no Hoare annotation was computed. [2021-11-20 06:59:10,773 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 554 558) no Hoare annotation was computed. [2021-11-20 06:59:10,773 INFO L854 garLoopResultBuilder]: At program point L554-2(lines 554 558) the Hoare annotation is: (and (= __kernel_tan_~iy |__kernel_tan_#in~iy|) (= __kernel_tan_~x |__kernel_tan_#in~x|)) [2021-11-20 06:59:10,773 INFO L858 garLoopResultBuilder]: For program point L554-3(lines 552 563) no Hoare annotation was computed. [2021-11-20 06:59:10,773 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-11-20 06:59:10,773 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 564) no Hoare annotation was computed. [2021-11-20 06:59:10,774 INFO L858 garLoopResultBuilder]: For program point L551-2(lines 542 612) no Hoare annotation was computed. [2021-11-20 06:59:10,774 INFO L858 garLoopResultBuilder]: For program point L465-1(lines 465 469) no Hoare annotation was computed. [2021-11-20 06:59:10,774 INFO L854 garLoopResultBuilder]: At program point L465-2(lines 465 469) the Hoare annotation is: false [2021-11-20 06:59:10,774 INFO L858 garLoopResultBuilder]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2021-11-20 06:59:10,774 INFO L858 garLoopResultBuilder]: For program point L333-1(line 333) no Hoare annotation was computed. [2021-11-20 06:59:10,775 INFO L854 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: false [2021-11-20 06:59:10,775 INFO L858 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-11-20 06:59:10,775 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2021-11-20 06:59:10,775 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 504) no Hoare annotation was computed. [2021-11-20 06:59:10,775 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 398 527) no Hoare annotation was computed. [2021-11-20 06:59:10,776 INFO L858 garLoopResultBuilder]: For program point L499-2(lines 499 504) no Hoare annotation was computed. [2021-11-20 06:59:10,776 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 203) no Hoare annotation was computed. [2021-11-20 06:59:10,776 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 203) no Hoare annotation was computed. [2021-11-20 06:59:10,776 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2021-11-20 06:59:10,776 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2021-11-20 06:59:10,777 INFO L858 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2021-11-20 06:59:10,777 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2021-11-20 06:59:10,777 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2021-11-20 06:59:10,777 INFO L854 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2021-11-20 06:59:10,777 INFO L858 garLoopResultBuilder]: For program point L335-4(lines 321 361) no Hoare annotation was computed. [2021-11-20 06:59:10,778 INFO L861 garLoopResultBuilder]: At program point L666(lines 649 667) the Hoare annotation is: true [2021-11-20 06:59:10,778 INFO L854 garLoopResultBuilder]: At program point L633(line 633) the Hoare annotation is: false [2021-11-20 06:59:10,778 INFO L858 garLoopResultBuilder]: For program point L633-1(line 633) no Hoare annotation was computed. [2021-11-20 06:59:10,778 INFO L854 garLoopResultBuilder]: At program point L633-2(lines 614 635) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start_tan_double_~x#1| .cse0) (= |ULTIMATE.start_tan_double_#res#1| .cse0))) [2021-11-20 06:59:10,779 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-11-20 06:59:10,779 INFO L858 garLoopResultBuilder]: For program point L337-1(line 337) no Hoare annotation was computed. [2021-11-20 06:59:10,779 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 239) no Hoare annotation was computed. [2021-11-20 06:59:10,779 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 193 363) no Hoare annotation was computed. [2021-11-20 06:59:10,779 INFO L858 garLoopResultBuilder]: For program point L238-2(lines 193 363) no Hoare annotation was computed. [2021-11-20 06:59:10,780 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 477) no Hoare annotation was computed. [2021-11-20 06:59:10,780 INFO L858 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2021-11-20 06:59:10,780 INFO L854 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2021-11-20 06:59:10,780 INFO L858 garLoopResultBuilder]: For program point L339(line 339) no Hoare annotation was computed. [2021-11-20 06:59:10,780 INFO L858 garLoopResultBuilder]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2021-11-20 06:59:10,781 INFO L858 garLoopResultBuilder]: For program point L273-2(lines 273 274) no Hoare annotation was computed. [2021-11-20 06:59:10,781 INFO L854 garLoopResultBuilder]: At program point L273-3(lines 273 274) the Hoare annotation is: false [2021-11-20 06:59:10,781 INFO L858 garLoopResultBuilder]: For program point L273-4(lines 271 288) no Hoare annotation was computed. [2021-11-20 06:59:10,781 INFO L858 garLoopResultBuilder]: For program point L340-2(lines 340 344) no Hoare annotation was computed. [2021-11-20 06:59:10,781 INFO L858 garLoopResultBuilder]: For program point L241(lines 193 363) no Hoare annotation was computed. [2021-11-20 06:59:10,782 INFO L854 garLoopResultBuilder]: At program point L340-3(lines 340 344) the Hoare annotation is: false [2021-11-20 06:59:10,782 INFO L858 garLoopResultBuilder]: For program point L340-4(lines 340 344) no Hoare annotation was computed. [2021-11-20 06:59:10,782 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 209) no Hoare annotation was computed. [2021-11-20 06:59:10,782 INFO L854 garLoopResultBuilder]: At program point L208-3(lines 208 209) the Hoare annotation is: false [2021-11-20 06:59:10,782 INFO L858 garLoopResultBuilder]: For program point L208-4(lines 208 209) no Hoare annotation was computed. [2021-11-20 06:59:10,783 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 506 511) no Hoare annotation was computed. [2021-11-20 06:59:10,783 INFO L854 garLoopResultBuilder]: At program point L506-2(lines 506 511) the Hoare annotation is: false [2021-11-20 06:59:10,783 INFO L858 garLoopResultBuilder]: For program point L506-3(lines 506 511) no Hoare annotation was computed. [2021-11-20 06:59:10,783 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-20 06:59:10,783 INFO L858 garLoopResultBuilder]: For program point L209-2(line 209) no Hoare annotation was computed. [2021-11-20 06:59:10,784 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 487) no Hoare annotation was computed. [2021-11-20 06:59:10,784 INFO L858 garLoopResultBuilder]: For program point L309(line 309) no Hoare annotation was computed. [2021-11-20 06:59:10,784 INFO L858 garLoopResultBuilder]: For program point L276-1(lines 276 277) no Hoare annotation was computed. [2021-11-20 06:59:10,784 INFO L858 garLoopResultBuilder]: For program point L276-3(lines 276 277) no Hoare annotation was computed. [2021-11-20 06:59:10,784 INFO L854 garLoopResultBuilder]: At program point L276-4(lines 276 277) the Hoare annotation is: false [2021-11-20 06:59:10,784 INFO L858 garLoopResultBuilder]: For program point L276-5(lines 276 277) no Hoare annotation was computed. [2021-11-20 06:59:10,785 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2021-11-20 06:59:10,785 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 24 85) no Hoare annotation was computed. [2021-11-20 06:59:10,785 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2021-11-20 06:59:10,785 INFO L858 garLoopResultBuilder]: For program point L640-1(lines 640 644) no Hoare annotation was computed. [2021-11-20 06:59:10,786 INFO L854 garLoopResultBuilder]: At program point L640-2(lines 640 644) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and |ULTIMATE.start_main_#t~short144#1| (= |ULTIMATE.start_tan_double_~x#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_double_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= |ULTIMATE.start_tan_double_#res#1| .cse0))) [2021-11-20 06:59:10,786 INFO L858 garLoopResultBuilder]: For program point L640-3(lines 640 644) no Hoare annotation was computed. [2021-11-20 06:59:10,786 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: false [2021-11-20 06:59:10,786 INFO L858 garLoopResultBuilder]: For program point L442-1(line 442) no Hoare annotation was computed. [2021-11-20 06:59:10,786 INFO L858 garLoopResultBuilder]: For program point L310-2(lines 310 313) no Hoare annotation was computed. [2021-11-20 06:59:10,787 INFO L854 garLoopResultBuilder]: At program point L310-3(lines 310 313) the Hoare annotation is: false [2021-11-20 06:59:10,787 INFO L858 garLoopResultBuilder]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2021-11-20 06:59:10,787 INFO L858 garLoopResultBuilder]: For program point L310-4(lines 310 313) no Hoare annotation was computed. [2021-11-20 06:59:10,787 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 211 215) no Hoare annotation was computed. [2021-11-20 06:59:10,787 INFO L854 garLoopResultBuilder]: At program point L244-3(lines 244 253) the Hoare annotation is: false [2021-11-20 06:59:10,788 INFO L854 garLoopResultBuilder]: At program point L211-3(lines 211 215) the Hoare annotation is: false [2021-11-20 06:59:10,788 INFO L858 garLoopResultBuilder]: For program point L244-4(lines 241 269) no Hoare annotation was computed. [2021-11-20 06:59:10,788 INFO L858 garLoopResultBuilder]: For program point L211-4(lines 211 215) no Hoare annotation was computed. [2021-11-20 06:59:10,788 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-11-20 06:59:10,788 INFO L858 garLoopResultBuilder]: For program point L212-2(lines 212 213) no Hoare annotation was computed. [2021-11-20 06:59:10,788 INFO L854 garLoopResultBuilder]: At program point L212-3(lines 212 213) the Hoare annotation is: false [2021-11-20 06:59:10,788 INFO L858 garLoopResultBuilder]: For program point L212-4(lines 212 213) no Hoare annotation was computed. [2021-11-20 06:59:10,789 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 415) no Hoare annotation was computed. [2021-11-20 06:59:10,789 INFO L858 garLoopResultBuilder]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2021-11-20 06:59:10,789 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 252) no Hoare annotation was computed. [2021-11-20 06:59:10,789 INFO L854 garLoopResultBuilder]: At program point L345-3(lines 345 349) the Hoare annotation is: false [2021-11-20 06:59:10,789 INFO L858 garLoopResultBuilder]: For program point L279-2(lines 279 284) no Hoare annotation was computed. [2021-11-20 06:59:10,789 INFO L858 garLoopResultBuilder]: For program point L345-4(lines 345 349) no Hoare annotation was computed. [2021-11-20 06:59:10,789 INFO L854 garLoopResultBuilder]: At program point L279-3(lines 279 284) the Hoare annotation is: false [2021-11-20 06:59:10,789 INFO L858 garLoopResultBuilder]: For program point L279-4(lines 279 284) no Hoare annotation was computed. [2021-11-20 06:59:10,789 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-11-20 06:59:10,789 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 250) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L512-2(lines 512 515) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L854 garLoopResultBuilder]: At program point L512-3(lines 512 515) the Hoare annotation is: false [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L512-4(lines 512 515) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L281-2(lines 281 282) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L854 garLoopResultBuilder]: At program point L281-3(lines 281 282) the Hoare annotation is: false [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L281-4(lines 281 282) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L447-2(lines 447 479) no Hoare annotation was computed. [2021-11-20 06:59:10,790 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2021-11-20 06:59:10,791 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 315 319) the Hoare annotation is: false [2021-11-20 06:59:10,791 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 315 319) no Hoare annotation was computed. [2021-11-20 06:59:10,791 INFO L854 garLoopResultBuilder]: At program point L84(lines 24 85) the Hoare annotation is: false [2021-11-20 06:59:10,791 INFO L854 garLoopResultBuilder]: At program point L646(lines 637 647) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short144#1| (= |ULTIMATE.start_tan_double_~x#1| (fp.neg (_ +zero 11 53))) (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|)) [2021-11-20 06:59:10,791 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 486) no Hoare annotation was computed. [2021-11-20 06:59:10,791 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 317) no Hoare annotation was computed. [2021-11-20 06:59:10,791 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2021-11-20 06:59:10,791 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 316 317) no Hoare annotation was computed. [2021-11-20 06:59:10,791 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 440) no Hoare annotation was computed. [2021-11-20 06:59:10,791 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:59:10,791 INFO L858 garLoopResultBuilder]: For program point L350-2(lines 350 351) no Hoare annotation was computed. [2021-11-20 06:59:10,792 INFO L854 garLoopResultBuilder]: At program point L350-3(lines 350 351) the Hoare annotation is: false [2021-11-20 06:59:10,792 INFO L858 garLoopResultBuilder]: For program point L350-4(lines 321 361) no Hoare annotation was computed. [2021-11-20 06:59:10,792 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 439) no Hoare annotation was computed. [2021-11-20 06:59:10,792 INFO L854 garLoopResultBuilder]: At program point L286(lines 193 363) the Hoare annotation is: false [2021-11-20 06:59:10,792 INFO L858 garLoopResultBuilder]: For program point L220-2(lines 220 224) no Hoare annotation was computed. [2021-11-20 06:59:10,793 INFO L854 garLoopResultBuilder]: At program point L220-3(lines 220 224) the Hoare annotation is: false [2021-11-20 06:59:10,793 INFO L854 garLoopResultBuilder]: At program point L220-4(lines 220 224) the Hoare annotation is: false [2021-11-20 06:59:10,793 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2021-11-20 06:59:10,793 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 518 519) no Hoare annotation was computed. [2021-11-20 06:59:10,793 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-11-20 06:59:10,793 INFO L854 garLoopResultBuilder]: At program point L518-3(lines 518 519) the Hoare annotation is: false [2021-11-20 06:59:10,794 INFO L858 garLoopResultBuilder]: For program point L518-4(lines 518 519) no Hoare annotation was computed. [2021-11-20 06:59:10,794 INFO L858 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2021-11-20 06:59:10,794 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 241 269) no Hoare annotation was computed. [2021-11-20 06:59:10,794 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2021-11-20 06:59:10,794 INFO L858 garLoopResultBuilder]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2021-11-20 06:59:10,795 INFO L854 garLoopResultBuilder]: At program point L618-2(lines 618 622) the Hoare annotation is: (= |ULTIMATE.start_tan_double_~x#1| (fp.neg (_ +zero 11 53))) [2021-11-20 06:59:10,795 INFO L858 garLoopResultBuilder]: For program point L618-3(lines 618 622) no Hoare annotation was computed. [2021-11-20 06:59:10,795 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 453 457) no Hoare annotation was computed. [2021-11-20 06:59:10,795 INFO L854 garLoopResultBuilder]: At program point L453-2(lines 453 457) the Hoare annotation is: false [2021-11-20 06:59:10,795 INFO L858 garLoopResultBuilder]: For program point L453-3(lines 453 457) no Hoare annotation was computed. [2021-11-20 06:59:10,796 INFO L854 garLoopResultBuilder]: At program point L321(lines 321 361) the Hoare annotation is: false [2021-11-20 06:59:10,796 INFO L854 garLoopResultBuilder]: At program point L255(lines 255 262) the Hoare annotation is: false [2021-11-20 06:59:10,796 INFO L858 garLoopResultBuilder]: For program point L322(line 322) no Hoare annotation was computed. [2021-11-20 06:59:10,796 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:59:10,796 INFO L858 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2021-11-20 06:59:10,796 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-11-20 06:59:10,796 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 492) no Hoare annotation was computed. [2021-11-20 06:59:10,796 INFO L858 garLoopResultBuilder]: For program point L324-2(lines 324 325) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L854 garLoopResultBuilder]: At program point L324-3(lines 324 325) the Hoare annotation is: false [2021-11-20 06:59:10,797 INFO L858 garLoopResultBuilder]: For program point L324-4(lines 321 361) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2021-11-20 06:59:10,797 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L858 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L858 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L858 garLoopResultBuilder]: For program point L326-1(line 326) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L858 garLoopResultBuilder]: For program point L293-1(lines 293 296) no Hoare annotation was computed. [2021-11-20 06:59:10,797 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 296) the Hoare annotation is: false [2021-11-20 06:59:10,798 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2021-11-20 06:59:10,798 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 478) no Hoare annotation was computed. [2021-11-20 06:59:10,798 INFO L858 garLoopResultBuilder]: For program point L459-1(lines 447 479) no Hoare annotation was computed. [2021-11-20 06:59:10,798 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 634) no Hoare annotation was computed. [2021-11-20 06:59:10,798 INFO L854 garLoopResultBuilder]: At program point L526(lines 398 527) the Hoare annotation is: false [2021-11-20 06:59:10,798 INFO L858 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2021-11-20 06:59:10,799 INFO L858 garLoopResultBuilder]: For program point L328-2(line 328) no Hoare annotation was computed. [2021-11-20 06:59:10,799 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2021-11-20 06:59:10,799 INFO L854 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: (= |ULTIMATE.start_tan_double_~x#1| (fp.neg (_ +zero 11 53))) [2021-11-20 06:59:10,799 INFO L858 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2021-11-20 06:59:10,799 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 494 498) no Hoare annotation was computed. [2021-11-20 06:59:10,800 INFO L854 garLoopResultBuilder]: At program point L494-2(lines 494 498) the Hoare annotation is: false [2021-11-20 06:59:10,800 INFO L854 garLoopResultBuilder]: At program point L362(lines 192 363) the Hoare annotation is: false [2021-11-20 06:59:10,800 INFO L858 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2021-11-20 06:59:10,800 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2021-11-20 06:59:10,800 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2021-11-20 06:59:10,800 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:59:10,801 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 662) no Hoare annotation was computed. [2021-11-20 06:59:10,801 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 239) no Hoare annotation was computed. [2021-11-20 06:59:10,801 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-11-20 06:59:10,801 INFO L858 garLoopResultBuilder]: For program point L661(line 661) no Hoare annotation was computed. [2021-11-20 06:59:10,801 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 634) no Hoare annotation was computed. [2021-11-20 06:59:10,802 INFO L858 garLoopResultBuilder]: For program point L661-2(lines 661 664) no Hoare annotation was computed. [2021-11-20 06:59:10,802 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 437) no Hoare annotation was computed. [2021-11-20 06:59:10,802 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 437) no Hoare annotation was computed. [2021-11-20 06:59:10,802 INFO L854 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: false [2021-11-20 06:59:10,802 INFO L858 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2021-11-20 06:59:10,803 INFO L858 garLoopResultBuilder]: For program point L331-2(lines 331 332) no Hoare annotation was computed. [2021-11-20 06:59:10,803 INFO L854 garLoopResultBuilder]: At program point L331-3(lines 331 332) the Hoare annotation is: false [2021-11-20 06:59:10,803 INFO L858 garLoopResultBuilder]: For program point L331-4(lines 321 361) no Hoare annotation was computed. [2021-11-20 06:59:10,803 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2021-11-20 06:59:10,803 INFO L858 garLoopResultBuilder]: For program point L662(line 662) no Hoare annotation was computed. [2021-11-20 06:59:10,804 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 306) no Hoare annotation was computed. [2021-11-20 06:59:10,804 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 267) no Hoare annotation was computed. [2021-11-20 06:59:10,804 INFO L854 garLoopResultBuilder]: At program point L299-2(lines 290 307) the Hoare annotation is: false [2021-11-20 06:59:10,804 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2021-11-20 06:59:10,808 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:10,810 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:59:10,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,822 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,822 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,822 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,833 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,833 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:10,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:59:10 BoogieIcfgContainer [2021-11-20 06:59:10,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:59:10,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:59:10,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:59:10,840 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:59:10,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:40" (3/4) ... [2021-11-20 06:59:10,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:59:10,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-11-20 06:59:10,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-11-20 06:59:10,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-20 06:59:10,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tan [2021-11-20 06:59:10,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-11-20 06:59:10,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-20 06:59:10,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 06:59:10,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:59:10,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: iy == \old(iy) && x == \old(x) [2021-11-20 06:59:10,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-20 06:59:10,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: iy == \old(iy) && x == \old(x) [2021-11-20 06:59:10,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == -0.0 && __signbit_double(res) == 1-aux && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-20 06:59:10,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == -0.0 && __signbit_double(res) == 1-aux && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2021-11-20 06:59:10,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_104 : bv64 :: !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_104[63:32]), 1043333120bv32) && \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_104[63:63], v_skolemized_q#valueAsBitvector_104[62:52], v_skolemized_q#valueAsBitvector_104[51:0])) [2021-11-20 06:59:10,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_104 : bv64 :: !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_104[63:32]), 1043333120bv32) && \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_104[63:63], v_skolemized_q#valueAsBitvector_104[62:52], v_skolemized_q#valueAsBitvector_104[51:0])) [2021-11-20 06:59:11,112 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:59:11,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:59:11,113 INFO L158 Benchmark]: Toolchain (without parser) took 213702.41ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 42.6MB in the beginning and 56.4MB in the end (delta: -13.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2021-11-20 06:59:11,114 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 65.0MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:59:11,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.55ms. Allocated memory is still 65.0MB. Free memory was 42.4MB in the beginning and 29.4MB in the end (delta: 13.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-20 06:59:11,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.42ms. Allocated memory is still 65.0MB. Free memory was 29.4MB in the beginning and 42.1MB in the end (delta: -12.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-20 06:59:11,115 INFO L158 Benchmark]: Boogie Preprocessor took 147.73ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 35.5MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:59:11,116 INFO L158 Benchmark]: RCFGBuilder took 61424.02ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 35.2MB in the beginning and 35.6MB in the end (delta: -430.2kB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-20 06:59:11,117 INFO L158 Benchmark]: TraceAbstraction took 150776.67ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 39.9MB in the end (delta: 25.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-20 06:59:11,118 INFO L158 Benchmark]: Witness Printer took 273.33ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 56.4MB in the end (delta: -16.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-11-20 06:59:11,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 65.0MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.55ms. Allocated memory is still 65.0MB. Free memory was 42.4MB in the beginning and 29.4MB in the end (delta: 13.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.42ms. Allocated memory is still 65.0MB. Free memory was 29.4MB in the beginning and 42.1MB in the end (delta: -12.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.73ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 35.5MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 61424.02ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 35.2MB in the beginning and 35.6MB in the end (delta: -430.2kB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * TraceAbstraction took 150776.67ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 39.9MB in the end (delta: 25.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Witness Printer took 273.33ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 56.4MB in the end (delta: -16.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 662]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 150.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 52.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 224 SdHoareTripleChecker+Valid, 41.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 1758 SdHoareTripleChecker+Invalid, 39.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 143 IncrementalHoareTripleChecker+Unchecked, 1154 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 248 IncrementalHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 604 mSDtfsCounter, 248 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 217 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 42.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 155 PreInvPairs, 169 NumberOfFragments, 158 HoareAnnotationTreeSize, 155 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 17.1s SatisfiabilityAnalysisTime, 72.7s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 276 ConstructedInterpolants, 49 QuantifiedInterpolants, 1884 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1944 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant [2021-11-20 06:59:11,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_104 : bv64 :: !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_104[63:32]), 1043333120bv32) && \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_104[63:63], v_skolemized_q#valueAsBitvector_104[62:52], v_skolemized_q#valueAsBitvector_104[51:0])) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: iy == \old(iy) && x == \old(x) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: (aux-res == -0.0 && __signbit_double(res) == 1-aux && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant [2021-11-20 06:59:11,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] [2021-11-20 06:59:11,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_104,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_104 : bv64 :: !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_104[63:32]), 1043333120bv32) && \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_104[63:63], v_skolemized_q#valueAsBitvector_104[62:52], v_skolemized_q#valueAsBitvector_104[51:0])) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: iy == \old(iy) && x == \old(x) - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((aux-res == -0.0 && __signbit_double(res) == 1-aux && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) RESULT: Ultimate proved your program to be correct! [2021-11-20 06:59:11,380 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 06:59:11,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f61d9-e7da-41f9-9a34-ce3a82295f19/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE