./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg --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 f89b3bbad42595f1a07c6d5289633d238961847556efb64250e94df2ad8dde4b ............................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg --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 f89b3bbad42595f1a07c6d5289633d238961847556efb64250e94df2ad8dde4b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:11:43,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:11:43,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:11:43,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:11:43,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:11:43,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:11:43,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:11:43,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:11:43,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:11:43,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:11:43,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:11:43,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:11:43,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:11:43,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:11:43,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:11:43,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:11:43,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:11:43,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:11:43,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:11:43,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:11:43,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:11:43,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:11:43,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:11:43,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:11:43,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:11:43,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:11:43,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:11:43,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:11:43,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:11:43,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:11:43,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:11:43,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:11:43,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:11:43,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:11:43,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:11:43,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:11:43,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:11:43,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:11:43,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:11:43,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:11:43,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:11:43,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:11:43,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:11:43,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:11:43,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:11:43,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:11:43,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:11:43,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:11:43,365 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:11:43,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:11:43,366 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:11:43,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:11:43,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:11:43,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:11:43,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:11:43,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:11:43,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:11:43,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:11:43,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:11:43,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:11:43,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:11:43,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:11:43,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:11:43,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:11:43,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:11:43,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:11:43,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:11:43,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:11:43,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:11:43,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:11:43,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:11:43,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:11:43,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:11:43,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:11:43,377 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_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f89b3bbad42595f1a07c6d5289633d238961847556efb64250e94df2ad8dde4b [2021-10-28 09:11:43,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:11:43,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:11:43,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:11:43,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:11:43,801 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:11:43,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2021-10-28 09:11:43,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data/ce0328aa1/63c8c34f6439437a827c45104fc8e8e2/FLAGeb4914c24 [2021-10-28 09:11:44,546 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:11:44,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2021-10-28 09:11:44,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data/ce0328aa1/63c8c34f6439437a827c45104fc8e8e2/FLAGeb4914c24 [2021-10-28 09:11:44,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data/ce0328aa1/63c8c34f6439437a827c45104fc8e8e2 [2021-10-28 09:11:44,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:11:44,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:11:44,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:11:44,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:11:44,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:11:44,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:11:44" (1/1) ... [2021-10-28 09:11:44,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50179e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:44, skipping insertion in model container [2021-10-28 09:11:44,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:11:44" (1/1) ... [2021-10-28 09:11:44,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:11:44,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:11:45,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c[6162,6175] [2021-10-28 09:11:45,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:11:45,224 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:11:45,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c[6162,6175] [2021-10-28 09:11:45,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:11:45,317 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:11:45,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45 WrapperNode [2021-10-28 09:11:45,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:11:45,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:11:45,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:11:45,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:11:45,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:11:45,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:11:45,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:11:45,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:11:45,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:11:45,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:11:45,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:11:45,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:11:45,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (1/1) ... [2021-10-28 09:11:45,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:11:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:11:45,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:11:45,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:11:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:11:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:11:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 09:11:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:11:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 09:11:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:11:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:11:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:11:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-28 09:11:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:11:46,562 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:11:46,563 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-28 09:11:46,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:11:46 BoogieIcfgContainer [2021-10-28 09:11:46,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:11:46,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:11:46,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:11:46,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:11:46,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:11:44" (1/3) ... [2021-10-28 09:11:46,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84ef07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:11:46, skipping insertion in model container [2021-10-28 09:11:46,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:45" (2/3) ... [2021-10-28 09:11:46,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84ef07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:11:46, skipping insertion in model container [2021-10-28 09:11:46,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:11:46" (3/3) ... [2021-10-28 09:11:46,586 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2021-10-28 09:11:46,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:11:46,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:11:46,674 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:11:46,690 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 [2021-10-28 09:11:46,690 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:11:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 111 states have (on average 1.7117117117117118) internal successors, (190), 112 states have internal predecessors, (190), 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) [2021-10-28 09:11:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-28 09:11:46,720 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:11:46,721 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:11:46,721 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:11:46,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:11:46,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2021-10-28 09:11:46,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:11:46,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936955121] [2021-10-28 09:11:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:11:46,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:11:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:11:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:11:46,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:11:47,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936955121] [2021-10-28 09:11:47,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936955121] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:11:47,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:11:47,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:11:47,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694381244] [2021-10-28 09:11:47,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:11:47,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:11:47,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:11:47,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:11:47,043 INFO L87 Difference]: Start difference. First operand has 113 states, 111 states have (on average 1.7117117117117118) internal successors, (190), 112 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:11:47,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:11:47,107 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2021-10-28 09:11:47,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:11:47,109 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 [2021-10-28 09:11:47,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:11:47,128 INFO L225 Difference]: With dead ends: 224 [2021-10-28 09:11:47,128 INFO L226 Difference]: Without dead ends: 110 [2021-10-28 09:11:47,135 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:11:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-28 09:11:47,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-28 09:11:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.4495412844036697) internal successors, (158), 109 states have internal predecessors, (158), 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) [2021-10-28 09:11:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2021-10-28 09:11:47,206 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2021-10-28 09:11:47,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:11:47,207 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2021-10-28 09:11:47,207 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) [2021-10-28 09:11:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2021-10-28 09:11:47,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 09:11:47,209 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:11:47,209 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:11:47,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:11:47,210 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:11:47,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:11:47,211 INFO L85 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2021-10-28 09:11:47,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:11:47,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551543705] [2021-10-28 09:11:47,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:11:47,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:11:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:11:47,348 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:11:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:11:47,489 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:11:47,489 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:11:47,499 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:11:47,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:11:47,508 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:11:47,511 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:11:47,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:11:47 BoogieIcfgContainer [2021-10-28 09:11:47,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:11:47,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:11:47,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:11:47,597 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:11:47,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:11:46" (3/4) ... [2021-10-28 09:11:47,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:11:47,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:11:47,605 INFO L168 Benchmark]: Toolchain (without parser) took 2758.84 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 66.6 MB in the beginning and 86.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:47,606 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 100.7 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:11:47,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.68 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 66.6 MB in the beginning and 102.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:47,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.62 ms. Allocated memory is still 132.1 MB. Free memory was 102.1 MB in the beginning and 98.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:47,618 INFO L168 Benchmark]: Boogie Preprocessor took 78.05 ms. Allocated memory is still 132.1 MB. Free memory was 98.7 MB in the beginning and 95.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:47,619 INFO L168 Benchmark]: RCFGBuilder took 1069.16 ms. Allocated memory is still 132.1 MB. Free memory was 95.1 MB in the beginning and 67.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:47,619 INFO L168 Benchmark]: TraceAbstraction took 1020.77 ms. Allocated memory is still 132.1 MB. Free memory was 67.9 MB in the beginning and 87.3 MB in the end (delta: -19.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:11:47,620 INFO L168 Benchmark]: Witness Printer took 6.57 ms. Allocated memory is still 132.1 MB. Free memory is still 86.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:11:47,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 100.7 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 468.68 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 66.6 MB in the beginning and 102.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.62 ms. Allocated memory is still 132.1 MB. Free memory was 102.1 MB in the beginning and 98.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.05 ms. Allocated memory is still 132.1 MB. Free memory was 98.7 MB in the beginning and 95.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1069.16 ms. Allocated memory is still 132.1 MB. Free memory was 95.1 MB in the beginning and 67.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1020.77 ms. Allocated memory is still 132.1 MB. Free memory was 67.9 MB in the beginning and 87.3 MB in the end (delta: -19.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.57 ms. Allocated memory is still 132.1 MB. Free memory is still 86.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 258]: 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 257. 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={9:0}, atanlo_atan={7:0}, 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; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [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 [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [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 [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L258] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s 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 [2021-10-28 09:11:47,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:11:50,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:11:50,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:11:50,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:11:50,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:11:50,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:11:50,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:11:50,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:11:50,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:11:50,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:11:50,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:11:50,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:11:50,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:11:50,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:11:50,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:11:50,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:11:50,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:11:50,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:11:50,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:11:50,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:11:50,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:11:50,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:11:50,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:11:50,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:11:50,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:11:50,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:11:50,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:11:50,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:11:50,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:11:50,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:11:50,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:11:50,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:11:50,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:11:50,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:11:50,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:11:50,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:11:50,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:11:50,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:11:50,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:11:50,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:11:50,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:11:50,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:11:50,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:11:50,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:11:50,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:11:50,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:11:50,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:11:50,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:11:50,817 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:11:50,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:11:50,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:11:50,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:11:50,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:11:50,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:11:50,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:11:50,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:11:50,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:11:50,820 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:11:50,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:11:50,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:11:50,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:11:50,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:11:50,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:11:50,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:11:50,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:11:50,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:11:50,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:11:50,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:11:50,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:11:50,823 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:11:50,823 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:11:50,824 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:11:50,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:11:50,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:11:50,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:11:50,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:11:50,825 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_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f89b3bbad42595f1a07c6d5289633d238961847556efb64250e94df2ad8dde4b [2021-10-28 09:11:51,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:11:51,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:11:51,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:11:51,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:11:51,333 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:11:51,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2021-10-28 09:11:51,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data/bed6cb526/4d55a3a3944f4d1f812196e02c90c549/FLAGf8ed2684f [2021-10-28 09:11:52,257 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:11:52,258 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2021-10-28 09:11:52,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data/bed6cb526/4d55a3a3944f4d1f812196e02c90c549/FLAGf8ed2684f [2021-10-28 09:11:52,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/data/bed6cb526/4d55a3a3944f4d1f812196e02c90c549 [2021-10-28 09:11:52,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:11:52,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:11:52,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:11:52,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:11:52,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:11:52,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:11:52" (1/1) ... [2021-10-28 09:11:52,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4273a994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:52, skipping insertion in model container [2021-10-28 09:11:52,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:11:52" (1/1) ... [2021-10-28 09:11:52,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:11:52,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:11:52,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c[6162,6175] [2021-10-28 09:11:52,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:11:52,894 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:11:53,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c[6162,6175] [2021-10-28 09:11:53,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:11:53,073 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:11:53,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53 WrapperNode [2021-10-28 09:11:53,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:11:53,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:11:53,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:11:53,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:11:53,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:11:53,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:11:53,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:11:53,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:11:53,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:11:53,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:11:53,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:11:53,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:11:53,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (1/1) ... [2021-10-28 09:11:53,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:11:53,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:11:53,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:11:53,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:11:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-28 09:11:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-28 09:11:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 09:11:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:11:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-28 09:11:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:11:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:11:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:11:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:11:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:12:31,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:12:31,068 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-28 09:12:31,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:12:31 BoogieIcfgContainer [2021-10-28 09:12:31,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:12:31,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:12:31,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:12:31,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:12:31,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:11:52" (1/3) ... [2021-10-28 09:12:31,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512a0fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:12:31, skipping insertion in model container [2021-10-28 09:12:31,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:11:53" (2/3) ... [2021-10-28 09:12:31,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512a0fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:12:31, skipping insertion in model container [2021-10-28 09:12:31,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:12:31" (3/3) ... [2021-10-28 09:12:31,084 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2021-10-28 09:12:31,091 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:12:31,091 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:12:31,192 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:12:31,199 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 [2021-10-28 09:12:31,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:12:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 111 states have (on average 1.7117117117117118) internal successors, (190), 112 states have internal predecessors, (190), 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) [2021-10-28 09:12:31,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-28 09:12:31,227 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:31,228 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:31,229 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:31,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:31,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2021-10-28 09:12:31,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:12:31,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95381376] [2021-10-28 09:12:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:31,256 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:12:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:12:31,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:12:31,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:12:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:31,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 09:12:31,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:12:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:32,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:12:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:32,298 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:12:32,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95381376] [2021-10-28 09:12:32,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95381376] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:32,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:32,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:12:32,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146630742] [2021-10-28 09:12:32,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:12:32,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:12:32,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:12:32,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:12:32,329 INFO L87 Difference]: Start difference. First operand has 113 states, 111 states have (on average 1.7117117117117118) internal successors, (190), 112 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:32,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:32,365 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2021-10-28 09:12:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:12:32,367 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 [2021-10-28 09:12:32,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:32,380 INFO L225 Difference]: With dead ends: 224 [2021-10-28 09:12:32,381 INFO L226 Difference]: Without dead ends: 110 [2021-10-28 09:12:32,385 INFO L786 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 [2021-10-28 09:12:32,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-28 09:12:32,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-28 09:12:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.4495412844036697) internal successors, (158), 109 states have internal predecessors, (158), 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) [2021-10-28 09:12:32,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2021-10-28 09:12:32,439 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2021-10-28 09:12:32,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:32,440 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2021-10-28 09:12:32,440 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) [2021-10-28 09:12:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2021-10-28 09:12:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 09:12:32,442 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:32,442 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:32,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:12:32,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:12:32,657 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:32,658 INFO L85 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2021-10-28 09:12:32,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:12:32,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884115351] [2021-10-28 09:12:32,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:32,660 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:12:32,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:12:32,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:12:32,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:12:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:33,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:12:33,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:12:33,678 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 [2021-10-28 09:12:36,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:12:36,539 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 [2021-10-28 09:12:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:38,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:13:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:13:14,331 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:13:14,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884115351] [2021-10-28 09:13:14,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884115351] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:13:14,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:13:14,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-10-28 09:13:14,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613934697] [2021-10-28 09:13:14,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-28 09:13:14,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:13:14,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 09:13:14,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=92, Unknown=14, NotChecked=0, Total=132 [2021-10-28 09:13:14,337 INFO L87 Difference]: Start difference. First operand 110 states and 158 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) [2021-10-28 09:13:32,801 WARN L207 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-10-28 09:13:41,905 WARN L207 SmtUtils]: Spent 8.86 s on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-10-28 09:14:11,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:11,090 INFO L93 Difference]: Finished difference Result 165 states and 229 transitions. [2021-10-28 09:14:11,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:14:11,179 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 [2021-10-28 09:14:11,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:14:11,182 INFO L225 Difference]: With dead ends: 165 [2021-10-28 09:14:11,182 INFO L226 Difference]: Without dead ends: 101 [2021-10-28 09:14:11,184 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 60.6s TimeCoverageRelationStatistics Valid=60, Invalid=162, Unknown=18, NotChecked=0, Total=240 [2021-10-28 09:14:11,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-28 09:14:11,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2021-10-28 09:14:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 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) [2021-10-28 09:14:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 131 transitions. [2021-10-28 09:14:11,201 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 131 transitions. Word has length 12 [2021-10-28 09:14:11,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:14:11,201 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 131 transitions. [2021-10-28 09:14:11,202 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) [2021-10-28 09:14:11,202 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2021-10-28 09:14:11,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 09:14:11,203 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:14:11,204 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:11,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:11,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:14:11,410 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:14:11,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:11,411 INFO L85 PathProgramCache]: Analyzing trace with hash 810615587, now seen corresponding path program 1 times [2021-10-28 09:14:11,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:14:11,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674668376] [2021-10-28 09:14:11,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:11,417 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:14:11,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:14:11,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:14:11,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:14:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:12,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:14:12,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:12,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-10-28 09:14:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:14,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:14:15,383 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 [2021-10-28 09:14:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:16,318 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:14:16,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674668376] [2021-10-28 09:14:16,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674668376] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:16,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:16,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-28 09:14:16,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823692633] [2021-10-28 09:14:16,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 09:14:16,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:14:16,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:14:16,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:14:16,322 INFO L87 Difference]: Start difference. First operand 97 states and 131 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) [2021-10-28 09:14:20,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:20,397 INFO L93 Difference]: Finished difference Result 166 states and 220 transitions. [2021-10-28 09:14:20,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:14:20,630 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 [2021-10-28 09:14:20,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:14:20,632 INFO L225 Difference]: With dead ends: 166 [2021-10-28 09:14:20,632 INFO L226 Difference]: Without dead ends: 112 [2021-10-28 09:14:20,633 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:14:20,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-28 09:14:20,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 97. [2021-10-28 09:14:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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) [2021-10-28 09:14:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 130 transitions. [2021-10-28 09:14:20,650 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 130 transitions. Word has length 17 [2021-10-28 09:14:20,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:14:20,650 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 130 transitions. [2021-10-28 09:14:20,651 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) [2021-10-28 09:14:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2021-10-28 09:14:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 09:14:20,652 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:14:20,652 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:20,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:20,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:14:20,867 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:14:20,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:20,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1532035359, now seen corresponding path program 1 times [2021-10-28 09:14:20,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:14:20,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735123936] [2021-10-28 09:14:20,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:20,869 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:14:20,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:14:20,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:14:20,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:14:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:21,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:14:21,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:24,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:14:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:29,080 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:14:29,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735123936] [2021-10-28 09:14:29,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735123936] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:29,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:29,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-10-28 09:14:29,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69788236] [2021-10-28 09:14:29,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 09:14:29,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:14:29,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:14:29,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:14:29,084 INFO L87 Difference]: Start difference. First operand 97 states and 130 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) [2021-10-28 09:14:34,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:34,028 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2021-10-28 09:14:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:14:34,029 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 [2021-10-28 09:14:34,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:14:34,031 INFO L225 Difference]: With dead ends: 156 [2021-10-28 09:14:34,031 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 09:14:34,032 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:14:34,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 09:14:34,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-28 09:14:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 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) [2021-10-28 09:14:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2021-10-28 09:14:34,045 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 17 [2021-10-28 09:14:34,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:14:34,045 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2021-10-28 09:14:34,046 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) [2021-10-28 09:14:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-10-28 09:14:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:14:34,047 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:14:34,047 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:34,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:14:34,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:14:34,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:34,272 INFO L85 PathProgramCache]: Analyzing trace with hash -255340040, now seen corresponding path program 1 times [2021-10-28 09:14:34,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:14:34,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164039974] [2021-10-28 09:14:34,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:34,273 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:14:34,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:14:34,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:14:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:34,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:14:34,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:40,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:14:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:52,029 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:14:52,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164039974] [2021-10-28 09:14:52,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164039974] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:52,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:52,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-28 09:14:52,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532343012] [2021-10-28 09:14:52,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 09:14:52,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:14:52,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:14:52,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:14:52,032 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 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) [2021-10-28 09:15:35,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:15:35,746 INFO L93 Difference]: Finished difference Result 90 states and 111 transitions. [2021-10-28 09:15:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:15:35,769 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 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 [2021-10-28 09:15:35,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:15:35,770 INFO L225 Difference]: With dead ends: 90 [2021-10-28 09:15:35,770 INFO L226 Difference]: Without dead ends: 86 [2021-10-28 09:15:35,771 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:15:35,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-28 09:15:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2021-10-28 09:15:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 70 states have internal predecessors, (89), 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) [2021-10-28 09:15:35,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 89 transitions. [2021-10-28 09:15:35,785 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 89 transitions. Word has length 18 [2021-10-28 09:15:35,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:15:35,785 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 89 transitions. [2021-10-28 09:15:35,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 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) [2021-10-28 09:15:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2021-10-28 09:15:35,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:15:35,787 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:15:35,787 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:15:35,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:36,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:15:36,012 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:15:36,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:36,012 INFO L85 PathProgramCache]: Analyzing trace with hash 667658140, now seen corresponding path program 1 times [2021-10-28 09:15:36,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:15:36,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288023585] [2021-10-28 09:15:36,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:36,014 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:15:36,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:15:36,016 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:15:36,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 09:15:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:15:36,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:15:36,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:15:37,052 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 [2021-10-28 09:15:39,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:15:39,286 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 [2021-10-28 09:15:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:15:43,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:15:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:15:47,986 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:15:47,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288023585] [2021-10-28 09:15:47,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288023585] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:15:47,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:15:47,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-10-28 09:15:47,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449187912] [2021-10-28 09:15:47,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 09:15:47,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:15:47,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:15:47,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:15:47,989 INFO L87 Difference]: Start difference. First operand 71 states and 89 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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) [2021-10-28 09:15:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:15:52,108 INFO L93 Difference]: Finished difference Result 71 states and 89 transitions. [2021-10-28 09:15:52,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:15:52,108 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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 [2021-10-28 09:15:52,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:15:52,109 INFO L225 Difference]: With dead ends: 71 [2021-10-28 09:15:52,109 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:15:52,110 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-10-28 09:15:52,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:15:52,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:15:52,111 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) [2021-10-28 09:15:52,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:15:52,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-10-28 09:15:52,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:15:52,113 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:15:52,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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) [2021-10-28 09:15:52,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:15:52,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:15:52,116 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:15:52,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:52,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:15:52,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:15:52,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:52,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:15:55,396 INFO L857 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-10-28 09:15:55,397 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-10-28 09:15:55,397 INFO L853 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: false [2021-10-28 09:15:55,397 INFO L857 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-10-28 09:15:55,397 INFO L857 garLoopResultBuilder]: For program point L70-5(lines 70 74) no Hoare annotation was computed. [2021-10-28 09:15:55,397 INFO L853 garLoopResultBuilder]: At program point L70-6(lines 70 74) the Hoare annotation is: false [2021-10-28 09:15:55,399 INFO L857 garLoopResultBuilder]: For program point L70-7(lines 70 74) no Hoare annotation was computed. [2021-10-28 09:15:55,400 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 09:15:55,400 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2021-10-28 09:15:55,400 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2021-10-28 09:15:55,401 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2021-10-28 09:15:55,401 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-28 09:15:55,401 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-28 09:15:55,401 INFO L857 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2021-10-28 09:15:55,402 INFO L857 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-10-28 09:15:55,402 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 09:15:55,402 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-10-28 09:15:55,403 INFO L857 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-10-28 09:15:55,403 INFO L857 garLoopResultBuilder]: For program point L107-3(lines 107 113) no Hoare annotation was computed. [2021-10-28 09:15:55,403 INFO L857 garLoopResultBuilder]: For program point L107-5(lines 90 115) no Hoare annotation was computed. [2021-10-28 09:15:55,404 INFO L857 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-10-28 09:15:55,404 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-28 09:15:55,404 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-10-28 09:15:55,404 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 76 89) no Hoare annotation was computed. [2021-10-28 09:15:55,405 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-10-28 09:15:55,405 INFO L853 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) (= (fp.add roundNearestTiesToEven ~pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) |ULTIMATE.start___ieee754_atan2_#res|) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|) ULTIMATE.start___ieee754_atan2_~hx~1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|)) (fp.neg (_ +zero 11 53))))) (= ULTIMATE.start___ieee754_atan2_~x (fp.neg (_ +zero 11 53))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64)) (ULTIMATE.start___ieee754_atan2_~hy~0 (_ BitVec 32))) (and (= (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|) (_ bv30 32)))) ULTIMATE.start___ieee754_atan2_~m~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|)) (fp.neg (_ +zero 11 53))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 09:15:55,406 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-10-28 09:15:55,406 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-10-28 09:15:55,406 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-10-28 09:15:55,406 INFO L857 garLoopResultBuilder]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2021-10-28 09:15:55,407 INFO L853 garLoopResultBuilder]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2021-10-28 09:15:55,407 INFO L857 garLoopResultBuilder]: For program point L78-7(lines 76 89) no Hoare annotation was computed. [2021-10-28 09:15:55,407 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 09:15:55,408 INFO L857 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-10-28 09:15:55,408 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2021-10-28 09:15:55,408 INFO L857 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2021-10-28 09:15:55,409 INFO L853 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2_~y (_ +zero 11 53)) (= ULTIMATE.start___ieee754_atan2_~x (fp.neg (_ +zero 11 53))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 09:15:55,409 INFO L857 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2021-10-28 09:15:55,409 INFO L857 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-10-28 09:15:55,409 INFO L857 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2021-10-28 09:15:55,410 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2021-10-28 09:15:55,410 INFO L857 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2021-10-28 09:15:55,410 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-10-28 09:15:55,411 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 85 88) no Hoare annotation was computed. [2021-10-28 09:15:55,411 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:15:55,411 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2021-10-28 09:15:55,411 INFO L857 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2021-10-28 09:15:55,412 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2021-10-28 09:15:55,412 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:15:55,412 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-10-28 09:15:55,412 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:15:55,413 INFO L853 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-10-28 09:15:55,413 INFO L857 garLoopResultBuilder]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:15:55,413 INFO L853 garLoopResultBuilder]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2021-10-28 09:15:55,413 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-10-28 09:15:55,414 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2021-10-28 09:15:55,414 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 09:15:55,414 INFO L857 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-10-28 09:15:55,414 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-10-28 09:15:55,415 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2_~y (_ +zero 11 53)) (exists ((|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_31| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_31|) .cse0) (= (bvand (_ bv2147483647 32) .cse0) ULTIMATE.start___ieee754_atan2_~ix~1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_31|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_31|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_31|)) (fp.neg (_ +zero 11 53))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_31|) (select .cse1 (_ bv0 32))))))) (= ULTIMATE.start___ieee754_atan2_~x (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_35| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15|))) (let ((.cse2 (select .cse3 (_ bv4 32)))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_35|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_35|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_35|)) (fp.neg (_ +zero 11 53))) (= .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_35|)) (= (select .cse3 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_35|)) (= ULTIMATE.start___ieee754_atan2_~hx~1 .cse2))))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 09:15:55,415 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-10-28 09:15:55,416 INFO L857 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-10-28 09:15:55,416 INFO L857 garLoopResultBuilder]: For program point L90-2(lines 90 115) no Hoare annotation was computed. [2021-10-28 09:15:55,416 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:15:55,416 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-28 09:15:55,417 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-10-28 09:15:55,417 INFO L857 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-10-28 09:15:55,417 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 94) no Hoare annotation was computed. [2021-10-28 09:15:55,417 INFO L857 garLoopResultBuilder]: For program point L91-5(lines 91 94) no Hoare annotation was computed. [2021-10-28 09:15:55,418 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 260) no Hoare annotation was computed. [2021-10-28 09:15:55,418 INFO L857 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2021-10-28 09:15:55,418 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-10-28 09:15:55,418 INFO L857 garLoopResultBuilder]: For program point L92-1(lines 92 93) no Hoare annotation was computed. [2021-10-28 09:15:55,419 INFO L857 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-10-28 09:15:55,419 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-10-28 09:15:55,419 INFO L857 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-10-28 09:15:55,419 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2021-10-28 09:15:55,420 INFO L857 garLoopResultBuilder]: For program point L26-4(lines 19 33) no Hoare annotation was computed. [2021-10-28 09:15:55,420 INFO L857 garLoopResultBuilder]: For program point L26-5(lines 26 31) no Hoare annotation was computed. [2021-10-28 09:15:55,420 INFO L857 garLoopResultBuilder]: For program point L26-6(lines 26 31) no Hoare annotation was computed. [2021-10-28 09:15:55,420 INFO L857 garLoopResultBuilder]: For program point L26-7(lines 19 33) no Hoare annotation was computed. [2021-10-28 09:15:55,421 INFO L857 garLoopResultBuilder]: For program point L26-8(lines 26 31) no Hoare annotation was computed. [2021-10-28 09:15:55,421 INFO L857 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2021-10-28 09:15:55,421 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-10-28 09:15:55,421 INFO L857 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2021-10-28 09:15:55,422 INFO L853 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2021-10-28 09:15:55,422 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:15:55,422 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 09:15:55,422 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-10-28 09:15:55,423 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 128 133) no Hoare annotation was computed. [2021-10-28 09:15:55,423 INFO L860 garLoopResultBuilder]: At program point L261(lines 246 262) the Hoare annotation is: true [2021-10-28 09:15:55,423 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2021-10-28 09:15:55,423 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-10-28 09:15:55,423 INFO L857 garLoopResultBuilder]: For program point L98-1(lines 98 114) no Hoare annotation was computed. [2021-10-28 09:15:55,423 INFO L853 garLoopResultBuilder]: At program point L32(lines 19 33) the Hoare annotation is: false [2021-10-28 09:15:55,424 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:15:55,424 INFO L853 garLoopResultBuilder]: At program point L32-1(lines 19 33) the Hoare annotation is: false [2021-10-28 09:15:55,424 INFO L853 garLoopResultBuilder]: At program point L32-2(lines 19 33) the Hoare annotation is: false [2021-10-28 09:15:55,424 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 258) no Hoare annotation was computed. [2021-10-28 09:15:55,425 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-10-28 09:15:55,425 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2021-10-28 09:15:55,425 INFO L857 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2021-10-28 09:15:55,425 INFO L857 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2021-10-28 09:15:55,426 INFO L857 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-10-28 09:15:55,426 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-10-28 09:15:55,426 INFO L857 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-10-28 09:15:55,426 INFO L853 garLoopResultBuilder]: At program point L132-3(lines 66 134) the Hoare annotation is: false [2021-10-28 09:15:55,427 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2021-10-28 09:15:55,427 INFO L857 garLoopResultBuilder]: For program point L132-4(line 132) no Hoare annotation was computed. [2021-10-28 09:15:55,427 INFO L857 garLoopResultBuilder]: For program point L132-6(line 132) no Hoare annotation was computed. [2021-10-28 09:15:55,427 INFO L853 garLoopResultBuilder]: At program point L132-7(lines 66 134) the Hoare annotation is: false [2021-10-28 09:15:55,427 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-28 09:15:55,428 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2021-10-28 09:15:55,432 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 09:15:55,434 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:15:55,444 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,467 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~hy~0,QUANTIFIED] [2021-10-28 09:15:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~hy~0,QUANTIFIED] [2021-10-28 09:15:55,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:15:55 BoogieIcfgContainer [2021-10-28 09:15:55,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:15:55,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:15:55,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:15:55,479 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:15:55,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:12:31" (3/4) ... [2021-10-28 09:15:55,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:15:55,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-28 09:15:55,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 09:15:55,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:15:55,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:15:55,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && y == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5 : bv32, v_skolemized_q#valueAsBitvector_31 : bv64 :: ((v_skolemized_q#valueAsBitvector_31[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][4bv32] && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][4bv32]) == ix) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_31[63:63], v_skolemized_q#valueAsBitvector_31[62:52], v_skolemized_q#valueAsBitvector_31[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_31[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][0bv32])) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_35 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15 : bv32 :: ((~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_35[63:63], v_skolemized_q#valueAsBitvector_35[62:52], v_skolemized_q#valueAsBitvector_35[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15][4bv32] == v_skolemized_q#valueAsBitvector_35[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15][0bv32] == v_skolemized_q#valueAsBitvector_35[31:0]) && hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15][4bv32])) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 09:15:55,542 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~fp.add~DOUBLE(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)) == \result) && (\exists v_skolemized_q#valueAsBitvector_34 : bv64 :: v_skolemized_q#valueAsBitvector_34[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && (\exists v_skolemized_q#valueAsBitvector_34 : bv64, ULTIMATE.start___ieee754_atan2_~hy~0 : bv32 :: ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_34[63:32], 30bv32))) == m && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 09:15:55,615 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:15:55,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:15:55,617 INFO L168 Benchmark]: Toolchain (without parser) took 243068.43 ms. Allocated memory is still 73.4 MB. Free memory was 51.3 MB in the beginning and 32.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:55,618 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 50.3 MB. Free memory is still 30.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:55,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.88 ms. Allocated memory is still 73.4 MB. Free memory was 51.1 MB in the beginning and 56.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:55,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.62 ms. Allocated memory is still 73.4 MB. Free memory was 56.3 MB in the beginning and 52.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:55,620 INFO L168 Benchmark]: Boogie Preprocessor took 101.90 ms. Allocated memory is still 73.4 MB. Free memory was 52.9 MB in the beginning and 49.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:55,620 INFO L168 Benchmark]: RCFGBuilder took 37781.54 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 32.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:55,621 INFO L168 Benchmark]: TraceAbstraction took 204403.58 ms. Allocated memory is still 73.4 MB. Free memory was 32.2 MB in the beginning and 41.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:55,621 INFO L168 Benchmark]: Witness Printer took 137.83 ms. Allocated memory is still 73.4 MB. Free memory was 41.0 MB in the beginning and 32.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:55,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 50.3 MB. Free memory is still 30.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.88 ms. Allocated memory is still 73.4 MB. Free memory was 51.1 MB in the beginning and 56.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.62 ms. Allocated memory is still 73.4 MB. Free memory was 56.3 MB in the beginning and 52.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.90 ms. Allocated memory is still 73.4 MB. Free memory was 52.9 MB in the beginning and 49.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 37781.54 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 32.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 204403.58 ms. Allocated memory is still 73.4 MB. Free memory was 32.2 MB in the beginning and 41.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Witness Printer took 137.83 ms. Allocated memory is still 73.4 MB. Free memory was 41.0 MB in the beginning and 32.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * 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_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,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_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - 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: 258]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 204.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 114.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 559 SDtfs, 1264 SDslu, 1023 SDs, 0 SdLazy, 221 SolverSat, 24 SolverUnsat, 19 SolverUnknown, 0 SolverNotchecked, 75.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 85.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 17 PreInvPairs, 21 NumberOfFragments, 196 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 17 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 82.5s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 55 QuantifiedInterpolants, 2024 SizeOfPredicates, 47 NumberOfNonLiveVariables, 811 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 [2021-10-28 09:15:55,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,647 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 == ~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2021-10-28 09:15:55,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,657 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,657 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2021-10-28 09:15:55,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2021-10-28 09:15:55,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-10-28 09:15:55,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15,QUANTIFIED] [2021-10-28 09:15:55,674 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 == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5 : bv32, v_skolemized_q#valueAsBitvector_31 : bv64 :: ((v_skolemized_q#valueAsBitvector_31[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][4bv32] && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][4bv32]) == ix) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_31[63:63], v_skolemized_q#valueAsBitvector_31[62:52], v_skolemized_q#valueAsBitvector_31[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_31[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][0bv32])) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_35 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15 : bv32 :: ((~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_35[63:63], v_skolemized_q#valueAsBitvector_35[62:52], v_skolemized_q#valueAsBitvector_35[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15][4bv32] == v_skolemized_q#valueAsBitvector_35[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15][0bv32] == v_skolemized_q#valueAsBitvector_35[31:0]) && hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_15][4bv32])) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2021-10-28 09:15:55,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~hy~0,QUANTIFIED] [2021-10-28 09:15:55,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,679 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:15:55,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~hy~0,QUANTIFIED] [2021-10-28 09:15:55,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,684 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2021-10-28 09:15:55,684 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 && ~fp.add~DOUBLE(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)) == \result) && (\exists v_skolemized_q#valueAsBitvector_34 : bv64 :: v_skolemized_q#valueAsBitvector_34[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && (\exists v_skolemized_q#valueAsBitvector_34 : bv64, ULTIMATE.start___ieee754_atan2_~hy~0 : bv32 :: ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_34[63:32], 30bv32))) == m && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:15:55,910 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-28 09:15:55,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b8029-1eb6-499e-96b8-73628863a66b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...