./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.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_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/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_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/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_dd08e435-aaec-4ac2-8656-9e44af865147/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 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:36:55,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:36:55,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:36:55,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:36:55,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:36:55,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:36:55,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:36:55,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:36:55,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:36:55,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:36:55,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:36:55,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:36:55,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:36:55,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:36:55,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:36:55,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:36:55,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:36:55,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:36:55,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:36:55,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:36:55,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:36:55,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:36:55,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:36:55,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:36:55,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:36:55,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:36:55,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:36:55,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:36:55,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:36:55,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:36:55,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:36:55,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:36:55,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:36:55,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:36:55,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:36:55,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:36:55,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:36:55,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:36:55,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:36:55,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:36:55,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:36:55,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:36:55,482 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:36:55,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:36:55,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:36:55,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:36:55,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:36:55,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:36:55,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:36:55,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:36:55,484 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:36:55,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:36:55,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:36:55,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:36:55,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:36:55,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:36:55,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:36:55,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:36:55,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:36:55,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:36:55,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:36:55,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:36:55,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:36:55,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:36:55,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:36:55,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:36:55,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:36:55,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:36:55,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:36:55,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:36:55,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:36:55,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:36:55,488 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:36:55,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:36:55,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:36:55,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:36:55,488 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_dd08e435-aaec-4ac2-8656-9e44af865147/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 [2021-11-20 06:36:55,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:36:55,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:36:55,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:36:55,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:36:55,805 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:36:55,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2021-11-20 06:36:55,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data/0c99c5035/5df755b8df9348b5addcde550543e686/FLAG083c56edc [2021-11-20 06:36:56,389 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:36:56,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2021-11-20 06:36:56,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data/0c99c5035/5df755b8df9348b5addcde550543e686/FLAG083c56edc [2021-11-20 06:36:56,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data/0c99c5035/5df755b8df9348b5addcde550543e686 [2021-11-20 06:36:56,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:36:56,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:36:56,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:36:56,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:36:56,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:36:56,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:36:56" (1/1) ... [2021-11-20 06:36:56,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0a2499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:56, skipping insertion in model container [2021-11-20 06:36:56,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:36:56" (1/1) ... [2021-11-20 06:36:56,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:36:56,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:36:57,063 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_dd08e435-aaec-4ac2-8656-9e44af865147/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c[6165,6178] [2021-11-20 06:36:57,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:36:57,076 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:36:57,145 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_dd08e435-aaec-4ac2-8656-9e44af865147/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c[6165,6178] [2021-11-20 06:36:57,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:36:57,168 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:36:57,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57 WrapperNode [2021-11-20 06:36:57,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:36:57,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:36:57,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:36:57,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:36:57,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,225 INFO L137 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 225 [2021-11-20 06:36:57,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:36:57,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:36:57,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:36:57,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:36:57,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:36:57,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:36:57,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:36:57,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:36:57,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (1/1) ... [2021-11-20 06:36:57,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:36:57,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:36:57,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:36:57,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:36:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:36:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:36:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:36:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 06:36:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:36:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-20 06:36:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-20 06:36:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 06:36:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2021-11-20 06:36:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2021-11-20 06:36:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:36:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:36:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:36:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 06:36:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:36:57,540 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:36:57,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:36:58,030 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:36:58,039 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:36:58,039 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-20 06:36:58,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:36:58 BoogieIcfgContainer [2021-11-20 06:36:58,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:36:58,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:36:58,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:36:58,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:36:58,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:36:56" (1/3) ... [2021-11-20 06:36:58,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f789b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:36:58, skipping insertion in model container [2021-11-20 06:36:58,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:36:57" (2/3) ... [2021-11-20 06:36:58,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f789b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:36:58, skipping insertion in model container [2021-11-20 06:36:58,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:36:58" (3/3) ... [2021-11-20 06:36:58,052 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2021-11-20 06:36:58,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:36:58,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:36:58,113 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:36:58,121 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 06:36:58,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:36:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.6666666666666667) internal successors, (140), 85 states have internal predecessors, (140), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:36:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 06:36:58,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:36:58,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:36:58,149 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:36:58,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:36:58,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1713470270, now seen corresponding path program 1 times [2021-11-20 06:36:58,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:36:58,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447247034] [2021-11-20 06:36:58,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:36:58,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:36:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:58,328 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 06:36:58,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:36:58,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447247034] [2021-11-20 06:36:58,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447247034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:36:58,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:36:58,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:36:58,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465931259] [2021-11-20 06:36:58,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:36:58,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:36:58,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:36:58,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:36:58,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:36:58,372 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.6666666666666667) internal successors, (140), 85 states have internal predecessors, (140), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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 06:36:58,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:36:58,413 INFO L93 Difference]: Finished difference Result 182 states and 298 transitions. [2021-11-20 06:36:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:36:58,416 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 06:36:58,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:36:58,426 INFO L225 Difference]: With dead ends: 182 [2021-11-20 06:36:58,426 INFO L226 Difference]: Without dead ends: 89 [2021-11-20 06:36:58,431 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 06:36:58,435 INFO L933 BasicCegarLoop]: 131 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, 131 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 06:36:58,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:36:58,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-11-20 06:36:58,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-11-20 06:36:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:36:58,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2021-11-20 06:36:58,516 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 10 [2021-11-20 06:36:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:36:58,516 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2021-11-20 06:36:58,517 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 06:36:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2021-11-20 06:36:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 06:36:58,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:36:58,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:36:58,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:36:58,518 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:36:58,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:36:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1701355047, now seen corresponding path program 1 times [2021-11-20 06:36:58,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:36:58,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652239173] [2021-11-20 06:36:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:36:58,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:36:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:36:58,594 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:36:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:36:58,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:36:58,698 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:36:58,700 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:36:58,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:36:58,709 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 06:36:58,712 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:36:58,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:36:58 BoogieIcfgContainer [2021-11-20 06:36:58,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:36:58,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:36:58,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:36:58,792 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:36:58,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:36:58" (3/4) ... [2021-11-20 06:36:58,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:36:58,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:36:58,798 INFO L158 Benchmark]: Toolchain (without parser) took 2031.72ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 74.5MB in the beginning and 77.0MB in the end (delta: -2.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-11-20 06:36:58,799 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:36:58,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.05ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 75.9MB in the end (delta: -1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:36:58,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.81ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 73.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:36:58,806 INFO L158 Benchmark]: Boogie Preprocessor took 70.55ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:36:58,808 INFO L158 Benchmark]: RCFGBuilder took 744.38ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 71.0MB in the beginning and 110.0MB in the end (delta: -39.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-20 06:36:58,809 INFO L158 Benchmark]: TraceAbstraction took 745.64ms. Allocated memory is still 136.3MB. Free memory was 109.6MB in the beginning and 77.0MB in the end (delta: 32.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-11-20 06:36:58,810 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 136.3MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:36:58,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.05ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 75.9MB in the end (delta: -1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.81ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 73.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.55ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.38ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 71.0MB in the beginning and 110.0MB in the end (delta: -39.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 745.64ms. Allocated memory is still 136.3MB. Free memory was 109.6MB in the beginning and 77.0MB in the end (delta: 32.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 136.3MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 259]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 253, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 258. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = -0.0; [L254] double y = -0.0; [L256] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, hy=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, hy=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L256] RET, EXPR __ieee754_atan2(y, x) [L256] double res = __ieee754_atan2(y, x); [L258] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L259] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 131 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, 131 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=92occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 06:36:58,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/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_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/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_dd08e435-aaec-4ac2-8656-9e44af865147/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 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:37:01,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:37:01,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:37:01,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:37:01,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:37:01,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:37:01,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:37:01,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:37:01,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:37:01,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:37:01,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:37:01,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:37:01,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:37:01,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:37:01,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:37:01,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:37:01,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:37:01,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:37:01,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:37:01,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:37:01,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:37:01,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:37:01,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:37:01,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:37:01,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:37:01,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:37:01,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:37:01,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:37:01,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:37:01,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:37:01,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:37:01,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:37:01,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:37:01,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:37:01,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:37:01,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:37:01,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:37:01,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:37:01,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:37:01,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:37:01,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:37:01,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 06:37:01,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:37:01,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:37:01,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:37:01,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:37:01,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:37:01,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:37:01,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:37:01,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:37:01,638 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:37:01,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:37:01,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:37:01,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:37:01,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:37:01,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:37:01,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:37:01,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:37:01,641 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:37:01,646 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:37:01,646 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:37:01,646 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:37:01,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:37:01,646 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:37:01,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:37:01,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:37:01,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:37:01,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:37:01,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:37:01,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:37:01,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:37:01,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:37:01,648 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:37:01,649 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:37:01,649 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:37:01,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:37:01,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:37:01,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:37:01,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:37:01,650 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_dd08e435-aaec-4ac2-8656-9e44af865147/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 [2021-11-20 06:37:02,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:37:02,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:37:02,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:37:02,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:37:02,037 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:37:02,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2021-11-20 06:37:02,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data/d16e8feae/026140c77b6145e7b80773c725490809/FLAG82e71db44 [2021-11-20 06:37:02,745 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:37:02,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2021-11-20 06:37:02,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data/d16e8feae/026140c77b6145e7b80773c725490809/FLAG82e71db44 [2021-11-20 06:37:03,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/data/d16e8feae/026140c77b6145e7b80773c725490809 [2021-11-20 06:37:03,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:37:03,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:37:03,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:37:03,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:37:03,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:37:03,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a138b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03, skipping insertion in model container [2021-11-20 06:37:03,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:37:03,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:37:03,467 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_dd08e435-aaec-4ac2-8656-9e44af865147/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c[6165,6178] [2021-11-20 06:37:03,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:37:03,551 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:37:03,649 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_dd08e435-aaec-4ac2-8656-9e44af865147/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c[6165,6178] [2021-11-20 06:37:03,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:37:03,682 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:37:03,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03 WrapperNode [2021-11-20 06:37:03,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:37:03,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:37:03,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:37:03,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:37:03,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,764 INFO L137 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 226 [2021-11-20 06:37:03,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:37:03,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:37:03,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:37:03,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:37:03,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:37:03,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:37:03,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:37:03,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:37:03,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (1/1) ... [2021-11-20 06:37:03,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:37:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:37:03,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:37:03,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:37:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:37:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 06:37:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 06:37:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:37:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:37:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-20 06:37:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-20 06:37:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-20 06:37:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2021-11-20 06:37:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2021-11-20 06:37:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:37:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:37:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:37:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:37:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:37:04,108 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:37:04,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:37:25,819 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:37:25,827 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:37:25,827 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-20 06:37:25,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:37:25 BoogieIcfgContainer [2021-11-20 06:37:25,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:37:25,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:37:25,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:37:25,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:37:25,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:37:03" (1/3) ... [2021-11-20 06:37:25,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe27f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:37:25, skipping insertion in model container [2021-11-20 06:37:25,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:03" (2/3) ... [2021-11-20 06:37:25,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe27f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:37:25, skipping insertion in model container [2021-11-20 06:37:25,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:37:25" (3/3) ... [2021-11-20 06:37:25,840 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2021-11-20 06:37:25,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:37:25,847 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:37:25,906 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:37:25,913 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 06:37:25,914 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:37:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.6666666666666667) internal successors, (140), 85 states have internal predecessors, (140), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:37:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 06:37:25,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:37:25,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:37:25,938 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:37:25,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:37:25,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1713470270, now seen corresponding path program 1 times [2021-11-20 06:37:25,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:37:25,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454351918] [2021-11-20 06:37:25,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:37:25,958 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:37:25,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:37:25,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:37:25,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 06:37:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:26,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 06:37:26,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:37:26,608 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 06:37:26,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:37:26,786 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 06:37:26,787 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:37:26,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454351918] [2021-11-20 06:37:26,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454351918] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:37:26,789 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:37:26,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:37:26,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369660069] [2021-11-20 06:37:26,792 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:37:26,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:37:26,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:37:26,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:37:26,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:37:26,830 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.6666666666666667) internal successors, (140), 85 states have internal predecessors, (140), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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 06:37:26,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:37:26,868 INFO L93 Difference]: Finished difference Result 182 states and 298 transitions. [2021-11-20 06:37:26,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:37:26,870 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 06:37:26,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:37:26,880 INFO L225 Difference]: With dead ends: 182 [2021-11-20 06:37:26,880 INFO L226 Difference]: Without dead ends: 89 [2021-11-20 06:37:26,885 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 06:37:26,889 INFO L933 BasicCegarLoop]: 131 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, 131 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 06:37:26,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:37:26,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-11-20 06:37:26,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-11-20 06:37:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:37:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2021-11-20 06:37:26,969 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 10 [2021-11-20 06:37:26,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:37:26,969 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2021-11-20 06:37:26,970 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 06:37:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2021-11-20 06:37:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 06:37:26,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:37:26,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:37:26,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-20 06:37:27,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:37:27,182 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:37:27,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:37:27,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1701355047, now seen corresponding path program 1 times [2021-11-20 06:37:27,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:37:27,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991617840] [2021-11-20 06:37:27,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:37:27,185 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:37:27,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:37:27,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:37:27,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 06:37:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:27,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 06:37:27,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:37:27,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2021-11-20 06:37:30,265 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:37:30,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-11-20 06:37:31,558 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 06:37:31,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:38:02,941 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 06:38:02,941 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:38:02,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991617840] [2021-11-20 06:38:02,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991617840] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:38:02,942 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:38:02,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-20 06:38:02,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279182924] [2021-11-20 06:38:02,943 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:38:02,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 06:38:02,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:38:02,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 06:38:02,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=93, Unknown=13, NotChecked=0, Total=132 [2021-11-20 06:38:02,945 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 06:38:07,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:38:07,354 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-11-20 06:38:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:38:07,354 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 12 [2021-11-20 06:38:07,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:38:07,356 INFO L225 Difference]: With dead ends: 93 [2021-11-20 06:38:07,357 INFO L226 Difference]: Without dead ends: 89 [2021-11-20 06:38:07,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 34.4s TimeCoverageRelationStatistics Valid=32, Invalid=109, Unknown=15, NotChecked=0, Total=156 [2021-11-20 06:38:07,359 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 4 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 84 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:38:07,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 1017 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 84 Unchecked, 0.0s Time] [2021-11-20 06:38:07,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-11-20 06:38:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-11-20 06:38:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.451219512195122) internal successors, (119), 82 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:38:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2021-11-20 06:38:07,371 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 12 [2021-11-20 06:38:07,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:38:07,372 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2021-11-20 06:38:07,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 06:38:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2021-11-20 06:38:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 06:38:07,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:38:07,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:07,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:38:07,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:38:07,575 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:38:07,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:07,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1174160583, now seen corresponding path program 1 times [2021-11-20 06:38:07,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:38:07,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987665344] [2021-11-20 06:38:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:07,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:38:07,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:38:07,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:38:07,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 06:38:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:38:08,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:38:08,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:38:08,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-20 06:38:09,542 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 06:38:09,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:38:10,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-11-20 06:38:10,871 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 06:38:10,871 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:38:10,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987665344] [2021-11-20 06:38:10,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [987665344] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:38:10,872 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:38:10,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 06:38:10,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348798622] [2021-11-20 06:38:10,873 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:38:10,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:38:10,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:38:10,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:38:10,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:38:10,874 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 06:38:14,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:38:15,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:38:15,054 INFO L93 Difference]: Finished difference Result 152 states and 216 transitions. [2021-11-20 06:38:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:38:15,056 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 17 [2021-11-20 06:38:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:38:15,058 INFO L225 Difference]: With dead ends: 152 [2021-11-20 06:38:15,058 INFO L226 Difference]: Without dead ends: 82 [2021-11-20 06:38:15,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:38:15,062 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 58 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:38:15,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 452 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 1 Unknown, 17 Unchecked, 3.9s Time] [2021-11-20 06:38:15,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-20 06:38:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-20 06:38:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 75 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:38:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2021-11-20 06:38:15,092 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 17 [2021-11-20 06:38:15,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:38:15,093 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2021-11-20 06:38:15,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 06:38:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2021-11-20 06:38:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 06:38:15,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:38:15,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:15,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:38:15,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:38:15,314 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:38:15,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:15,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1166643321, now seen corresponding path program 1 times [2021-11-20 06:38:15,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:38:15,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930626234] [2021-11-20 06:38:15,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:15,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:38:15,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:38:15,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:38:15,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 06:38:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:38:15,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:38:15,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:38:18,278 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 06:38:18,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:38:21,668 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 06:38:21,669 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:38:21,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930626234] [2021-11-20 06:38:21,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930626234] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:38:21,669 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:38:21,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 06:38:21,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233441028] [2021-11-20 06:38:21,670 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:38:21,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:38:21,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:38:21,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:38:21,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:38:21,672 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:38:23,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:38:23,069 INFO L93 Difference]: Finished difference Result 88 states and 118 transitions. [2021-11-20 06:38:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:38:23,070 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-20 06:38:23,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:38:23,073 INFO L225 Difference]: With dead ends: 88 [2021-11-20 06:38:23,073 INFO L226 Difference]: Without dead ends: 84 [2021-11-20 06:38:23,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:38:23,076 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 2 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:38:23,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 775 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 23 Unchecked, 1.2s Time] [2021-11-20 06:38:23,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-11-20 06:38:23,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-11-20 06:38:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:38:23,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2021-11-20 06:38:23,089 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 17 [2021-11-20 06:38:23,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:38:23,089 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2021-11-20 06:38:23,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:38:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2021-11-20 06:38:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 06:38:23,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:38:23,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:23,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-20 06:38:23,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:38:23,293 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:38:23,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:23,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1223901623, now seen corresponding path program 1 times [2021-11-20 06:38:23,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:38:23,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257478648] [2021-11-20 06:38:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:23,295 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:38:23,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:38:23,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:38:23,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 06:38:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:38:23,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:38:23,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:38:25,113 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 06:38:25,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:38:27,415 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 06:38:27,416 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:38:27,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257478648] [2021-11-20 06:38:27,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257478648] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:38:27,416 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:38:27,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-20 06:38:27,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106044870] [2021-11-20 06:38:27,417 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:38:27,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:38:27,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:38:27,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:38:27,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:38:27,419 INFO L87 Difference]: Start difference. First operand 84 states and 114 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 06:38:28,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:38:28,686 INFO L93 Difference]: Finished difference Result 150 states and 206 transitions. [2021-11-20 06:38:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:38:28,687 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 17 [2021-11-20 06:38:28,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:38:28,689 INFO L225 Difference]: With dead ends: 150 [2021-11-20 06:38:28,689 INFO L226 Difference]: Without dead ends: 82 [2021-11-20 06:38:28,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:38:28,691 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 3 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:38:28,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 682 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 24 Unchecked, 1.1s Time] [2021-11-20 06:38:28,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-20 06:38:28,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-20 06:38:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:38:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2021-11-20 06:38:28,703 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 17 [2021-11-20 06:38:28,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:38:28,703 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2021-11-20 06:38:28,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 06:38:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2021-11-20 06:38:28,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-20 06:38:28,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:38:28,705 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:28,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:38:28,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:38:28,910 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:38:28,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:28,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1808977731, now seen corresponding path program 1 times [2021-11-20 06:38:28,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:38:28,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796356064] [2021-11-20 06:38:28,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:28,912 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:38:28,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:38:28,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:38:28,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 06:38:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:38:29,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-20 06:38:29,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:38:29,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2021-11-20 06:38:31,071 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:38:31,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2021-11-20 06:38:34,965 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 06:38:34,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:38:42,609 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 06:38:42,609 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:38:42,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796356064] [2021-11-20 06:38:42,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796356064] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:38:42,610 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:38:42,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2021-11-20 06:38:42,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350707850] [2021-11-20 06:38:42,610 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:38:42,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 06:38:42,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:38:42,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 06:38:42,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:38:42,612 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 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 06:38:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:38:44,417 INFO L93 Difference]: Finished difference Result 86 states and 113 transitions. [2021-11-20 06:38:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:38:44,418 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-20 06:38:44,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:38:44,420 INFO L225 Difference]: With dead ends: 86 [2021-11-20 06:38:44,420 INFO L226 Difference]: Without dead ends: 82 [2021-11-20 06:38:44,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:38:44,422 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 2 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:38:44,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1007 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 49 Unchecked, 1.5s Time] [2021-11-20 06:38:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-20 06:38:44,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-20 06:38:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.3466666666666667) internal successors, (101), 75 states have internal predecessors, (101), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:38:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-11-20 06:38:44,433 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 18 [2021-11-20 06:38:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:38:44,434 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-11-20 06:38:44,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 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 06:38:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-11-20 06:38:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 06:38:44,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:38:44,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:44,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:38:44,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:38:44,661 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:38:44,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:44,662 INFO L85 PathProgramCache]: Analyzing trace with hash -246359006, now seen corresponding path program 1 times [2021-11-20 06:38:44,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:38:44,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171453971] [2021-11-20 06:38:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:44,663 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:38:44,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:38:44,667 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:38:44,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 06:38:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:38:45,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:38:45,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:38:48,915 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 06:38:48,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:38:56,562 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 06:38:56,563 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:38:56,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171453971] [2021-11-20 06:38:56,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171453971] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:38:56,564 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:38:56,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-20 06:38:56,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046594085] [2021-11-20 06:38:56,565 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:38:56,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:38:56,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:38:56,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:38:56,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:38:56,567 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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 06:38:58,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:08,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:11,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:13,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:15,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:19,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:21,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:23,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:25,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:30,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:33,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:35,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:38,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:41,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:43,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:45,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:47,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:39:48,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:39:48,075 INFO L93 Difference]: Finished difference Result 89 states and 116 transitions. [2021-11-20 06:39:48,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:39:48,077 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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 19 [2021-11-20 06:39:48,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:39:48,079 INFO L225 Difference]: With dead ends: 89 [2021-11-20 06:39:48,080 INFO L226 Difference]: Without dead ends: 85 [2021-11-20 06:39:48,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:39:48,081 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 163 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 11 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:39:48,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 397 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 114 Invalid, 16 Unknown, 0 Unchecked, 48.4s Time] [2021-11-20 06:39:48,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-20 06:39:48,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2021-11-20 06:39:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.32) internal successors, (99), 75 states have internal predecessors, (99), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:39:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2021-11-20 06:39:48,095 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 19 [2021-11-20 06:39:48,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:39:48,095 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2021-11-20 06:39:48,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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 06:39:48,096 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2021-11-20 06:39:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 06:39:48,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:39:48,098 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 06:39:48,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:48,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:39:48,306 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:39:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:48,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1872049354, now seen corresponding path program 1 times [2021-11-20 06:39:48,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:39:48,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978392579] [2021-11-20 06:39:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:48,307 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:39:48,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:39:48,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:39:48,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 06:39:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:48,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 06:39:48,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:39:48,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2021-11-20 06:39:50,583 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:39:50,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2021-11-20 06:39:53,802 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 06:39:53,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:39:57,393 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 06:39:57,393 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:39:57,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978392579] [2021-11-20 06:39:57,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978392579] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:39:57,394 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:39:57,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 06:39:57,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167366489] [2021-11-20 06:39:57,394 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:39:57,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:39:57,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:39:57,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:39:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:39:57,396 INFO L87 Difference]: Start difference. First operand 82 states and 107 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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 06:39:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:39:58,710 INFO L93 Difference]: Finished difference Result 118 states and 152 transitions. [2021-11-20 06:39:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:39:58,710 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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 23 [2021-11-20 06:39:58,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:39:58,712 INFO L225 Difference]: With dead ends: 118 [2021-11-20 06:39:58,712 INFO L226 Difference]: Without dead ends: 48 [2021-11-20 06:39:58,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:39:58,714 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 3 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:39:58,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 399 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 23 Unchecked, 0.5s Time] [2021-11-20 06:39:58,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-20 06:39:58,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-11-20 06:39:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.255813953488372) internal successors, (54), 43 states have internal predecessors, (54), 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 06:39:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2021-11-20 06:39:58,721 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 23 [2021-11-20 06:39:58,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:39:58,722 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2021-11-20 06:39:58,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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 06:39:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-11-20 06:39:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 06:39:58,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:39:58,724 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 06:39:58,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:58,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:39:58,930 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:39:58,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:58,931 INFO L85 PathProgramCache]: Analyzing trace with hash 152585799, now seen corresponding path program 1 times [2021-11-20 06:39:58,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:39:58,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698667365] [2021-11-20 06:39:58,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:58,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:39:58,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:39:58,932 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:39:58,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 06:39:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:59,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:39:59,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:40:00,531 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 06:40:00,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:40:01,532 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 06:40:01,533 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:40:01,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698667365] [2021-11-20 06:40:01,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698667365] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:01,533 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:01,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 06:40:01,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028218805] [2021-11-20 06:40:01,534 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:01,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:40:01,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:40:01,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:40:01,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:40:01,536 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:40:01,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:40:01,729 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2021-11-20 06:40:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:40:01,748 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2021-11-20 06:40:01,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:40:01,749 INFO L225 Difference]: With dead ends: 48 [2021-11-20 06:40:01,749 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:40:01,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:40:01,754 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:40:01,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2021-11-20 06:40:01,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:40:01,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:40:01,756 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 06:40:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:40:01,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-11-20 06:40:01,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:40:01,759 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:40:01,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:40:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:40:01,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:40:01,762 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:40:01,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:40:01,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:40:01,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:40:03,599 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-11-20 06:40:03,599 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-11-20 06:40:03,599 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2021-11-20 06:40:03,599 INFO L858 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-11-20 06:40:03,600 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 19 33) the Hoare annotation is: true [2021-11-20 06:40:03,600 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-11-20 06:40:03,600 INFO L861 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2021-11-20 06:40:03,600 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 19 33) no Hoare annotation was computed. [2021-11-20 06:40:03,600 INFO L861 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2021-11-20 06:40:03,600 INFO L858 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2021-11-20 06:40:03,600 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-11-20 06:40:03,600 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-11-20 06:40:03,600 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-11-20 06:40:03,601 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-11-20 06:40:03,601 INFO L861 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2021-11-20 06:40:03,601 INFO L858 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-11-20 06:40:03,601 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-11-20 06:40:03,601 INFO L858 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-11-20 06:40:03,601 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-11-20 06:40:03,601 INFO L861 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2021-11-20 06:40:03,601 INFO L858 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-11-20 06:40:03,602 INFO L858 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-11-20 06:40:03,602 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-11-20 06:40:03,602 INFO L858 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-11-20 06:40:03,602 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-11-20 06:40:03,602 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-11-20 06:40:03,602 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L861 garLoopResultBuilder]: At program point atan_doubleENTRY(lines 66 134) the Hoare annotation is: true [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2021-11-20 06:40:03,603 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2021-11-20 06:40:03,604 INFO L854 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2021-11-20 06:40:03,604 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:40:03,604 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:40:03,604 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2021-11-20 06:40:03,604 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2021-11-20 06:40:03,604 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-20 06:40:03,604 INFO L854 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= (_ bv0 32) (bvor |ULTIMATE.start___ieee754_atan2_~iy~0#1| |ULTIMATE.start___ieee754_atan2_~ly~0#1|)) (= |ULTIMATE.start___ieee754_atan2_#res#1| (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 06:40:03,605 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-20 06:40:03,605 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2021-11-20 06:40:03,605 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-20 06:40:03,605 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2021-11-20 06:40:03,605 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2021-11-20 06:40:03,606 INFO L854 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2021-11-20 06:40:03,606 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-11-20 06:40:03,606 INFO L854 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2021-11-20 06:40:03,606 INFO L858 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-11-20 06:40:03,606 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-20 06:40:03,606 INFO L858 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-11-20 06:40:03,606 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2021-11-20 06:40:03,606 INFO L861 garLoopResultBuilder]: At program point L262(lines 246 263) the Hoare annotation is: true [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-11-20 06:40:03,607 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-11-20 06:40:03,608 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_19|) (select .cse0 (_ bv0 32))) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_19|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) (fp.neg (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) .cse1)))))) (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= |ULTIMATE.start___ieee754_atan2_~y#1| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16|))) (let ((.cse2 (select .cse3 (_ bv4 32)))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |ULTIMATE.start___ieee754_atan2_~hx~1#1| .cse2) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_24|) (select .cse3 (_ bv0 32))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|) .cse2))))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 06:40:03,608 INFO L858 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-11-20 06:40:03,608 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 259) no Hoare annotation was computed. [2021-11-20 06:40:03,608 INFO L858 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-11-20 06:40:03,608 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-20 06:40:03,608 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-11-20 06:40:03,608 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2021-11-20 06:40:03,608 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2021-11-20 06:40:03,609 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2021-11-20 06:40:03,609 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:40:03,609 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-20 06:40:03,609 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2021-11-20 06:40:03,609 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2021-11-20 06:40:03,609 INFO L854 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= |ULTIMATE.start___ieee754_atan2_~x#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-20 06:40:03,610 INFO L858 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2021-11-20 06:40:03,610 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-20 06:40:03,610 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2021-11-20 06:40:03,610 INFO L858 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2021-11-20 06:40:03,610 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-11-20 06:40:03,610 INFO L858 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2021-11-20 06:40:03,610 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-11-20 06:40:03,611 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-20 06:40:03,611 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2021-11-20 06:40:03,611 INFO L858 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2021-11-20 06:40:03,611 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 261) no Hoare annotation was computed. [2021-11-20 06:40:03,615 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:40:03,617 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:40:03,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,633 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,647 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,647 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,648 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,649 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,649 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,649 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:40:03 BoogieIcfgContainer [2021-11-20 06:40:03,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:40:03,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:40:03,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:40:03,651 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:40:03,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:37:25" (3/4) ... [2021-11-20 06:40:03,655 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:40:03,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-11-20 06:40:03,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2021-11-20 06:40:03,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2021-11-20 06:40:03,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-20 06:40:03,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 06:40:03,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:40:03,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_skolemized_q#valueAsBitvector_19 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5 : bv32 :: ((v_skolemized_q#valueAsBitvector_19[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][0bv32] && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_19[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_19[63:63], v_skolemized_q#valueAsBitvector_19[62:52], v_skolemized_q#valueAsBitvector_19[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][4bv32])) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_24 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16 : bv32 :: ((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_24[63:63], v_skolemized_q#valueAsBitvector_24[62:52], v_skolemized_q#valueAsBitvector_24[51:0]) && hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16][4bv32]) && v_skolemized_q#valueAsBitvector_24[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16][0bv32]) && v_skolemized_q#valueAsBitvector_24[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16][4bv32])) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 06:40:03,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && 0bv32 == ~bvor32(iy, ly)) && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 06:40:03,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:40:03,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:40:03,751 INFO L158 Benchmark]: Toolchain (without parser) took 180680.00ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 40.5MB in the beginning and 42.8MB in the end (delta: -2.2MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-11-20 06:40:03,751 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:40:03,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.89ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 40.2MB in the end (delta: 230.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 06:40:03,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.50ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 37.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:40:03,752 INFO L158 Benchmark]: Boogie Preprocessor took 96.26ms. Allocated memory is still 60.8MB. Free memory was 37.6MB in the beginning and 34.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:40:03,753 INFO L158 Benchmark]: RCFGBuilder took 21968.27ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 34.9MB in the beginning and 53.4MB in the end (delta: -18.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-11-20 06:40:03,753 INFO L158 Benchmark]: TraceAbstraction took 157818.50ms. Allocated memory is still 86.0MB. Free memory was 53.2MB in the beginning and 51.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:40:03,754 INFO L158 Benchmark]: Witness Printer took 99.27ms. Allocated memory is still 86.0MB. Free memory was 51.1MB in the beginning and 42.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:40:03,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.89ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 40.2MB in the end (delta: 230.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.50ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 37.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.26ms. Allocated memory is still 60.8MB. Free memory was 37.6MB in the beginning and 34.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 21968.27ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 34.9MB in the beginning and 53.4MB in the end (delta: -18.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 157818.50ms. Allocated memory is still 86.0MB. Free memory was 53.2MB in the beginning and 51.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 99.27ms. Allocated memory is still 86.0MB. Free memory was 51.1MB in the beginning and 42.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 259]: 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 3 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 157.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 66.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 56.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 4879 SdHoareTripleChecker+Invalid, 54.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 223 IncrementalHoareTripleChecker+Unchecked, 4066 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 258 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 813 mSDtfsCounter, 258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 310 GetRequests, 234 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 58.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 56, 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, 9 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 50 PreInvPairs, 54 NumberOfFragments, 151 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 83 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 84.5s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 298 ConstructedInterpolants, 102 QuantifiedInterpolants, 3567 SizeOfPredicates, 72 NumberOfNonLiveVariables, 1202 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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: 149]: Loop Invariant [2021-11-20 06:40:03,769 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,769 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant [2021-11-20 06:40:03,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-11-20 06:40:03,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-20 06:40:03,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 06:40:03,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16,QUANTIFIED] [2021-11-20 06:40:03,778 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((\exists v_skolemized_q#valueAsBitvector_19 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5 : bv32 :: ((v_skolemized_q#valueAsBitvector_19[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][0bv32] && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_19[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_19[63:63], v_skolemized_q#valueAsBitvector_19[62:52], v_skolemized_q#valueAsBitvector_19[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][4bv32])) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_24 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16 : bv32 :: ((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_24[63:63], v_skolemized_q#valueAsBitvector_24[62:52], v_skolemized_q#valueAsBitvector_24[51:0]) && hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16][4bv32]) && v_skolemized_q#valueAsBitvector_24[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16][0bv32]) && v_skolemized_q#valueAsBitvector_24[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_16][4bv32])) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant [2021-11-20 06:40:03,779 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,780 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,780 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,780 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,781 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:40:03,781 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && 0bv32 == ~bvor32(iy, ly)) && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-20 06:40:04,010 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 06:40:04,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08e435-aaec-4ac2-8656-9e44af865147/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