./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer --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 ce41e341839c3e0f842e110b5c525e7dc81a9ade .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer --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 ce41e341839c3e0f842e110b5c525e7dc81a9ade ...................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:27:07,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:27:07,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:27:07,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:27:07,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:27:07,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:27:07,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:27:07,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:27:07,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:27:07,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:27:07,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:27:07,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:27:07,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:27:07,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:27:07,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:27:07,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:27:07,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:27:07,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:27:07,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:27:07,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:27:07,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:27:07,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:27:07,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:27:07,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:27:07,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:27:07,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:27:07,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:27:07,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:27:07,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:27:07,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:27:07,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:27:07,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:27:07,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:27:07,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:27:07,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:27:07,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:27:07,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:27:07,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:27:07,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:27:07,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:27:07,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:27:07,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:27:07,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:27:07,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:27:07,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:27:07,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:27:07,555 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:27:07,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:27:07,556 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:27:07,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:27:07,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:27:07,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:27:07,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:27:07,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:27:07,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:27:07,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:27:07,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:27:07,559 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:27:07,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:27:07,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:27:07,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:27:07,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:27:07,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:27:07,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:27:07,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:27:07,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:27:07,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:27:07,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:27:07,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:27:07,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:27:07,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:27:07,562 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-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce41e341839c3e0f842e110b5c525e7dc81a9ade [2020-11-29 21:27:07,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:27:07,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:27:07,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:27:07,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:27:07,858 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:27:07,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-11-29 21:27:07,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data/011b17d8f/83a063184e65443ab57cf2fc111338ca/FLAG74a8aa311 [2020-11-29 21:27:08,358 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:27:08,358 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-11-29 21:27:08,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data/011b17d8f/83a063184e65443ab57cf2fc111338ca/FLAG74a8aa311 [2020-11-29 21:27:08,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data/011b17d8f/83a063184e65443ab57cf2fc111338ca [2020-11-29 21:27:08,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:27:08,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:27:08,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:27:08,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:27:08,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:27:08,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:27:08" (1/1) ... [2020-11-29 21:27:08,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11333bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:08, skipping insertion in model container [2020-11-29 21:27:08,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:27:08" (1/1) ... [2020-11-29 21:27:08,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:27:08,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:27:09,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:27:09,075 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:27:09,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:27:09,186 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:27:09,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09 WrapperNode [2020-11-29 21:27:09,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:27:09,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:27:09,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:27:09,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:27:09,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:27:09,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:27:09,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:27:09,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:27:09,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... [2020-11-29 21:27:09,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:27:09,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:27:09,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:27:09,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:27:09,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:27:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:27:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:27:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 21:27:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:27:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 21:27:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:27:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 21:27:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 21:27:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:27:10,435 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:27:10,436 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-11-29 21:27:10,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:27:10 BoogieIcfgContainer [2020-11-29 21:27:10,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:27:10,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:27:10,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:27:10,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:27:10,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:27:08" (1/3) ... [2020-11-29 21:27:10,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2625e086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:27:10, skipping insertion in model container [2020-11-29 21:27:10,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:09" (2/3) ... [2020-11-29 21:27:10,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2625e086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:27:10, skipping insertion in model container [2020-11-29 21:27:10,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:27:10" (3/3) ... [2020-11-29 21:27:10,450 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2020-11-29 21:27:10,459 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:27:10,463 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:27:10,473 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:27:10,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:27:10,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:27:10,499 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:27:10,499 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:27:10,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:27:10,499 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:27:10,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:27:10,500 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:27:10,516 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-11-29 21:27:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 21:27:10,521 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:27:10,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:27:10,522 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:27:10,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:27:10,528 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-11-29 21:27:10,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:27:10,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798599149] [2020-11-29 21:27:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:27:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:27:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:27:10,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798599149] [2020-11-29 21:27:10,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:27:10,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:27:10,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934095426] [2020-11-29 21:27:10,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:27:10,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:27:10,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:27:10,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:27:10,716 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-11-29 21:27:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:27:10,747 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-11-29 21:27:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:27:10,749 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-11-29 21:27:10,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:27:10,760 INFO L225 Difference]: With dead ends: 247 [2020-11-29 21:27:10,760 INFO L226 Difference]: Without dead ends: 120 [2020-11-29 21:27:10,763 INFO L677 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 [2020-11-29 21:27:10,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-29 21:27:10,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-11-29 21:27:10,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-11-29 21:27:10,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-11-29 21:27:10,806 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-11-29 21:27:10,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:27:10,807 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-11-29 21:27:10,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:27:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-11-29 21:27:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:27:10,808 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:27:10,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:27:10,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:27:10,809 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:27:10,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:27:10,810 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-11-29 21:27:10,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:27:10,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252176032] [2020-11-29 21:27:10,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:27:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:27:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:27:10,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252176032] [2020-11-29 21:27:10,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:27:10,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:27:10,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099682972] [2020-11-29 21:27:10,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:27:10,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:27:10,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:27:10,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:27:10,917 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-11-29 21:27:10,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:27:10,959 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-11-29 21:27:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:27:10,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-29 21:27:10,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:27:10,965 INFO L225 Difference]: With dead ends: 229 [2020-11-29 21:27:10,966 INFO L226 Difference]: Without dead ends: 120 [2020-11-29 21:27:10,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:27:10,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-29 21:27:10,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-11-29 21:27:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-11-29 21:27:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-11-29 21:27:10,986 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-11-29 21:27:10,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:27:10,987 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-11-29 21:27:10,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:27:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-11-29 21:27:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 21:27:10,990 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:27:10,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:27:10,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:27:10,991 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:27:10,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:27:10,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-11-29 21:27:10,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:27:10,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337821456] [2020-11-29 21:27:10,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:27:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:27:11,278 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:27:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:27:11,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:27:11,490 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:27:11,493 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 21:27:11,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:27:11,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:27:11 BoogieIcfgContainer [2020-11-29 21:27:11,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:27:11,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:27:11,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:27:11,584 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:27:11,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:27:10" (3/4) ... [2020-11-29 21:27:11,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 21:27:11,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:27:11,592 INFO L168 Benchmark]: Toolchain (without parser) took 2836.90 ms. Allocated memory was 79.7 MB in the beginning and 121.6 MB in the end (delta: 41.9 MB). Free memory was 47.6 MB in the beginning and 66.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:11,594 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:27:11,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.89 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 47.4 MB in the beginning and 68.0 MB in the end (delta: -20.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:11,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.12 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 64.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:11,602 INFO L168 Benchmark]: Boogie Preprocessor took 97.37 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 60.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:11,604 INFO L168 Benchmark]: RCFGBuilder took 1080.55 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 50.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:11,609 INFO L168 Benchmark]: TraceAbstraction took 1142.10 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 50.4 MB in the beginning and 66.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:11,610 INFO L168 Benchmark]: Witness Printer took 4.55 ms. Allocated memory is still 121.6 MB. Free memory is still 66.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:27:11,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.89 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 47.4 MB in the beginning and 68.0 MB in the end (delta: -20.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.12 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 64.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.37 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 60.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1080.55 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 50.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1142.10 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 50.4 MB in the beginning and 66.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.55 ms. Allocated memory is still 121.6 MB. Free memory is still 66.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 287. 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={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L278] double x = __VERIFIER_nondet_double(); [L279] double y = 1.0 / 0.0; [L262] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L282] isfinite_double(x) && isinf_double(y) [L248] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L282] isfinite_double(x) && isinf_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L282] COND TRUE isfinite_double(x) && isinf_double(y) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L284] double res = __ieee754_atan2(y, x); [L287] COND TRUE res != pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L3] __assert_fail("0", "double_req_bl_0684a.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:27:14,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:27:14,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:27:14,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:27:14,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:27:14,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:27:14,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:27:14,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:27:14,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:27:14,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:27:14,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:27:14,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:27:14,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:27:14,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:27:14,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:27:14,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:27:14,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:27:14,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:27:14,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:27:14,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:27:14,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:27:14,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:27:14,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:27:14,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:27:14,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:27:14,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:27:14,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:27:14,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:27:14,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:27:14,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:27:14,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:27:14,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:27:14,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:27:14,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:27:14,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:27:14,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:27:14,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:27:14,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:27:14,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:27:14,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:27:14,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:27:14,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 21:27:14,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:27:14,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:27:14,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:27:14,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:27:14,274 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:27:14,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:27:14,275 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:27:14,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:27:14,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:27:14,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:27:14,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:27:14,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:27:14,276 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 21:27:14,277 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 21:27:14,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:27:14,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:27:14,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:27:14,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:27:14,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:27:14,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:27:14,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:27:14,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:27:14,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:27:14,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:27:14,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:27:14,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:27:14,280 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 21:27:14,280 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 21:27:14,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:27:14,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:27:14,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 21:27:14,281 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-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce41e341839c3e0f842e110b5c525e7dc81a9ade [2020-11-29 21:27:14,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:27:14,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:27:14,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:27:14,687 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:27:14,687 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:27:14,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-11-29 21:27:14,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data/3e889439f/be4e37a891104489a6a8ba193c2526ce/FLAG1d514a6f1 [2020-11-29 21:27:15,259 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:27:15,260 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-11-29 21:27:15,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data/3e889439f/be4e37a891104489a6a8ba193c2526ce/FLAG1d514a6f1 [2020-11-29 21:27:15,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/data/3e889439f/be4e37a891104489a6a8ba193c2526ce [2020-11-29 21:27:15,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:27:15,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:27:15,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:27:15,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:27:15,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:27:15,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:15,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e8270e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15, skipping insertion in model container [2020-11-29 21:27:15,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:15,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:27:15,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:27:15,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:27:15,895 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:27:15,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:27:15,978 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:27:15,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15 WrapperNode [2020-11-29 21:27:15,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:27:15,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:27:15,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:27:15,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:27:15,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:27:16,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:27:16,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:27:16,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:27:16,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... [2020-11-29 21:27:16,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:27:16,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:27:16,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:27:16,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:27:16,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:27:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 21:27:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 21:27:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 21:27:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:27:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-29 21:27:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 21:27:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:27:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:27:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 21:27:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:27:54,506 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:27:54,506 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-11-29 21:27:54,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:27:54 BoogieIcfgContainer [2020-11-29 21:27:54,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:27:54,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:27:54,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:27:54,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:27:54,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:27:15" (1/3) ... [2020-11-29 21:27:54,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1c4da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:27:54, skipping insertion in model container [2020-11-29 21:27:54,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:27:15" (2/3) ... [2020-11-29 21:27:54,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1c4da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:27:54, skipping insertion in model container [2020-11-29 21:27:54,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:27:54" (3/3) ... [2020-11-29 21:27:54,517 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2020-11-29 21:27:54,527 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:27:54,532 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:27:54,544 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:27:54,568 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:27:54,568 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:27:54,568 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:27:54,568 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:27:54,569 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:27:54,569 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:27:54,569 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:27:54,569 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:27:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-11-29 21:27:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 21:27:54,591 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:27:54,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:27:54,592 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:27:54,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:27:54,598 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-11-29 21:27:54,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:27:54,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279556819] [2020-11-29 21:27:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 21:27:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:27:55,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 21:27:55,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:27:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:27:55,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 21:27:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:27:55,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279556819] [2020-11-29 21:27:55,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:27:55,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 21:27:55,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122971526] [2020-11-29 21:27:55,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:27:55,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 21:27:55,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:27:55,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:27:55,247 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-11-29 21:27:55,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:27:55,304 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-11-29 21:27:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:27:55,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-11-29 21:27:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:27:55,324 INFO L225 Difference]: With dead ends: 247 [2020-11-29 21:27:55,324 INFO L226 Difference]: Without dead ends: 120 [2020-11-29 21:27:55,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:27:55,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-29 21:27:55,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-11-29 21:27:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-11-29 21:27:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-11-29 21:27:55,391 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-11-29 21:27:55,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:27:55,391 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-11-29 21:27:55,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:27:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-11-29 21:27:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:27:55,394 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:27:55,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:27:55,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 21:27:55,620 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:27:55,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:27:55,621 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-11-29 21:27:55,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:27:55,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733301596] [2020-11-29 21:27:55,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 21:27:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:27:56,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:27:56,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:27:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:27:56,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 21:27:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:27:56,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733301596] [2020-11-29 21:27:56,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:27:56,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 21:27:56,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878890883] [2020-11-29 21:27:56,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:27:56,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 21:27:56,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:27:56,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:27:56,135 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-11-29 21:27:56,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:27:56,195 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-11-29 21:27:56,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:27:56,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-29 21:27:56,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:27:56,202 INFO L225 Difference]: With dead ends: 229 [2020-11-29 21:27:56,202 INFO L226 Difference]: Without dead ends: 120 [2020-11-29 21:27:56,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:27:56,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-29 21:27:56,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-11-29 21:27:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-11-29 21:27:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-11-29 21:27:56,214 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-11-29 21:27:56,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:27:56,214 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-11-29 21:27:56,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:27:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-11-29 21:27:56,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 21:27:56,215 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:27:56,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:27:56,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 21:27:56,419 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:27:56,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:27:56,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-11-29 21:27:56,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:27:56,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115746862] [2020-11-29 21:27:56,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 21:27:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:27:57,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:27:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:27:58,244 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:27:58,389 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 21:27:58,389 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 21:27:58,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 21:27:58,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:27:58 BoogieIcfgContainer [2020-11-29 21:27:58,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:27:58,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:27:58,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:27:58,672 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:27:58,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:27:54" (3/4) ... [2020-11-29 21:27:58,677 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 21:27:58,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_87ba4481-300a-4eae-bc5f-0eecca367201/bin/uautomizer/witness.graphml [2020-11-29 21:27:58,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:27:58,831 INFO L168 Benchmark]: Toolchain (without parser) took 43233.86 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 39.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:58,831 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:27:58,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.46 ms. Allocated memory is still 54.5 MB. Free memory was 31.9 MB in the beginning and 31.0 MB in the end (delta: 938.6 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:58,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.81 ms. Allocated memory is still 54.5 MB. Free memory was 31.0 MB in the beginning and 27.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:58,834 INFO L168 Benchmark]: Boogie Preprocessor took 111.55 ms. Allocated memory is still 54.5 MB. Free memory was 27.1 MB in the beginning and 23.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:58,834 INFO L168 Benchmark]: RCFGBuilder took 38352.87 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 23.0 MB in the beginning and 36.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:58,834 INFO L168 Benchmark]: TraceAbstraction took 4161.17 ms. Allocated memory is still 67.1 MB. Free memory was 35.5 MB in the beginning and 21.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:58,835 INFO L168 Benchmark]: Witness Printer took 157.17 ms. Allocated memory is still 67.1 MB. Free memory was 21.8 MB in the beginning and 39.6 MB in the end (delta: -17.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:27:58,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 380.46 ms. Allocated memory is still 54.5 MB. Free memory was 31.9 MB in the beginning and 31.0 MB in the end (delta: 938.6 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.81 ms. Allocated memory is still 54.5 MB. Free memory was 31.0 MB in the beginning and 27.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.55 ms. Allocated memory is still 54.5 MB. Free memory was 27.1 MB in the beginning and 23.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 38352.87 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 23.0 MB in the beginning and 36.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4161.17 ms. Allocated memory is still 67.1 MB. Free memory was 35.5 MB in the beginning and 21.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Witness Printer took 157.17 ms. Allocated memory is still 67.1 MB. Free memory was 21.8 MB in the beginning and 39.6 MB in the end (delta: -17.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a 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={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L278] double x = __VERIFIER_nondet_double(); [L279] double y = 1.0 / 0.0; [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L282] isfinite_double(x) && isinf_double(y) [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L282] isfinite_double(x) && isinf_double(y) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L282] COND TRUE isfinite_double(x) && isinf_double(y) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [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={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [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={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L284] double res = __ieee754_atan2(y, x); [L287] COND TRUE res != pi_o_2 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0684a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 280 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...