./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7a9e26b1bd5e8029428d44dc1b34e99aa980331c ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7a9e26b1bd5e8029428d44dc1b34e99aa980331c ................................................................................................................................................................................................................................................................................................................................................. 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 [2020-10-24 23:11:04,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:11:04,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:11:04,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:11:04,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:11:04,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:11:04,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:11:04,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:11:04,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:11:04,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:11:04,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:11:04,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:11:04,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:11:04,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:11:04,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:11:04,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:11:04,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:11:04,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:11:04,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:11:04,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:11:04,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:11:04,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:11:04,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:11:04,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:11:04,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:11:04,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:11:04,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:11:04,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:11:04,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:11:04,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:11:04,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:11:04,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:11:04,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:11:04,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:11:04,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:11:04,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:11:04,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:11:04,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:11:04,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:11:04,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:11:04,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:11:04,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:11:04,917 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:11:04,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:11:04,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:11:04,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:11:04,920 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:11:04,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:11:04,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:11:04,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:11:04,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:11:04,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:11:04,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:11:04,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:11:04,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:11:04,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:11:04,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:11:04,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:11:04,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:11:04,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:11:04,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:11:04,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:11:04,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:11:04,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:04,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:11:04,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:11:04,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:11:04,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:11:04,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:11:04,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:11:04,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:11:04,927 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9e26b1bd5e8029428d44dc1b34e99aa980331c [2020-10-24 23:11:05,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:11:05,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:11:05,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:11:05,396 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:11:05,397 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:11:05,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-10-24 23:11:05,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e6eb085a/2dd2260862eb46ce9a8559f1e80e98da/FLAGcb1f3130f [2020-10-24 23:11:06,207 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:11:06,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-10-24 23:11:06,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e6eb085a/2dd2260862eb46ce9a8559f1e80e98da/FLAGcb1f3130f [2020-10-24 23:11:06,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e6eb085a/2dd2260862eb46ce9a8559f1e80e98da [2020-10-24 23:11:06,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:11:06,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:11:06,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:06,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:11:06,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:11:06,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:06" (1/1) ... [2020-10-24 23:11:06,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3982b986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:06, skipping insertion in model container [2020-10-24 23:11:06,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:06" (1/1) ... [2020-10-24 23:11:06,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:11:06,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:11:06,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:06,956 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:11:07,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:07,073 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:11:07,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07 WrapperNode [2020-10-24 23:11:07,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:07,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:07,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:11:07,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:11:07,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:07,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:11:07,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:11:07,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:11:07,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... [2020-10-24 23:11:07,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:11:07,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:11:07,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:11:07,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:11:07,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:11:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:11:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:11:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:11:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:11:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:11:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:11:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:11:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:11:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:11:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:11:08,534 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:11:08,534 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:11:08,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:08 BoogieIcfgContainer [2020-10-24 23:11:08,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:11:08,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:11:08,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:11:08,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:11:08,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:11:06" (1/3) ... [2020-10-24 23:11:08,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed3c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:08, skipping insertion in model container [2020-10-24 23:11:08,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:07" (2/3) ... [2020-10-24 23:11:08,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed3c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:08, skipping insertion in model container [2020-10-24 23:11:08,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:08" (3/3) ... [2020-10-24 23:11:08,547 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2020-10-24 23:11:08,560 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:11:08,566 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:11:08,580 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:11:08,609 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:11:08,610 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:11:08,610 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:11:08,610 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:11:08,610 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:11:08,611 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:11:08,611 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:11:08,611 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:11:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-24 23:11:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:11:08,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:08,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:08,639 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:08,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:08,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-24 23:11:08,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:11:08,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453787312] [2020-10-24 23:11:08,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:11:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:11:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:08,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453787312] [2020-10-24 23:11:08,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:11:08,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:11:08,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074931904] [2020-10-24 23:11:08,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:11:08,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:11:08,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:11:08,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:08,871 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-24 23:11:08,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:11:08,912 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-24 23:11:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:11:08,914 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:11:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:11:08,928 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:11:08,928 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 23:11:08,932 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 [2020-10-24 23:11:08,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 23:11:08,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-24 23:11:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-24 23:11:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-24 23:11:08,983 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-24 23:11:08,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:11:08,983 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-24 23:11:08,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:11:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-24 23:11:08,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:11:08,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:08,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:08,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:11:08,985 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:08,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:08,986 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-24 23:11:08,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:11:08,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763320402] [2020-10-24 23:11:08,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:11:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:09,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:09,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:09,213 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:11:09,213 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:11:09,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:11:09,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:11:09 BoogieIcfgContainer [2020-10-24 23:11:09,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:11:09,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:11:09,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:11:09,263 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:11:09,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:08" (3/4) ... [2020-10-24 23:11:09,268 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:11:09,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:11:09,271 INFO L168 Benchmark]: Toolchain (without parser) took 2701.77 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.1 MB in the beginning and 33.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:09,272 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:11:09,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.70 ms. Allocated memory is still 48.2 MB. Free memory was 24.5 MB in the beginning and 21.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:09,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.68 ms. Allocated memory is still 48.2 MB. Free memory was 21.1 MB in the beginning and 29.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:09,275 INFO L168 Benchmark]: Boogie Preprocessor took 152.83 ms. Allocated memory is still 48.2 MB. Free memory was 29.4 MB in the beginning and 25.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:09,276 INFO L168 Benchmark]: RCFGBuilder took 1191.06 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 37.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:09,277 INFO L168 Benchmark]: TraceAbstraction took 722.77 ms. Allocated memory is still 58.7 MB. Free memory was 36.9 MB in the beginning and 33.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:09,278 INFO L168 Benchmark]: Witness Printer took 6.28 ms. Allocated memory is still 58.7 MB. Free memory was 33.8 MB in the beginning and 33.3 MB in the end (delta: 482.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:09,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 496.70 ms. Allocated memory is still 48.2 MB. Free memory was 24.5 MB in the beginning and 21.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.68 ms. Allocated memory is still 48.2 MB. Free memory was 21.1 MB in the beginning and 29.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 152.83 ms. Allocated memory is still 48.2 MB. Free memory was 29.4 MB in the beginning and 25.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1191.06 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 37.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 722.77 ms. Allocated memory is still 58.7 MB. Free memory was 36.9 MB in the beginning and 33.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.28 ms. Allocated memory is still 58.7 MB. Free memory was 33.8 MB in the beginning and 33.3 MB in the end (delta: 482.7 kB). Peak memory consumption was 2.1 MB. 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 259. 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] [L253] double x = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 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_0685b.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, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:11:12,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:11:12,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:11:12,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 23:11:12,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:11:12,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:11:12,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:11:12,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:11:12,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:11:12,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:11:12,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:11:12,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:11:12,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:11:12,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:11:12,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:11:12,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:11:12,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:11:12,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:11:12,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:11:12,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:11:12,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:11:12,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:11:12,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:11:12,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:11:12,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:11:12,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:11:12,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:11:12,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:11:12,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:11:12,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:11:12,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:11:12,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:11:12,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:11:12,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:11:12,237 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:11:12,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:11:12,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:11:12,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:11:12,240 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:11:12,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:11:12,241 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:11:12,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:11:12,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:11:12,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:11:12,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:11:12,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:11:12,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:11:12,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:11:12,243 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:11:12,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:11:12,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:11:12,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:11:12,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:11:12,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:11:12,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:11:12,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:11:12,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:12,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:11:12,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:11:12,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:11:12,247 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:11:12,247 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:11:12,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:11:12,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:11:12,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:11:12,248 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9e26b1bd5e8029428d44dc1b34e99aa980331c [2020-10-24 23:11:12,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:11:12,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:11:12,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:11:12,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:11:12,694 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:11:12,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-10-24 23:11:12,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dbd4c9a/d4eb64d9916c47baa212524bc8eaba3e/FLAGa6cb77f60 [2020-10-24 23:11:13,503 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:11:13,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-10-24 23:11:13,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dbd4c9a/d4eb64d9916c47baa212524bc8eaba3e/FLAGa6cb77f60 [2020-10-24 23:11:13,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dbd4c9a/d4eb64d9916c47baa212524bc8eaba3e [2020-10-24 23:11:13,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:11:13,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:11:13,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:13,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:11:13,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:11:13,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:13" (1/1) ... [2020-10-24 23:11:13,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dd70a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:13, skipping insertion in model container [2020-10-24 23:11:13,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:13" (1/1) ... [2020-10-24 23:11:13,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:11:13,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:11:14,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:14,303 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:11:14,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:14,396 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:11:14,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14 WrapperNode [2020-10-24 23:11:14,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:14,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:14,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:11:14,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:11:14,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:14,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:11:14,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:11:14,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:11:14,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... [2020-10-24 23:11:14,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:11:14,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:11:14,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:11:14,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:11:14,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:11:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:11:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:11:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:11:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:11:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:11:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:11:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:11:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:11:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:11:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:11:54,808 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:11:54,809 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:11:54,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:54 BoogieIcfgContainer [2020-10-24 23:11:54,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:11:54,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:11:54,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:11:54,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:11:54,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:11:13" (1/3) ... [2020-10-24 23:11:54,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e61900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:54, skipping insertion in model container [2020-10-24 23:11:54,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:14" (2/3) ... [2020-10-24 23:11:54,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e61900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:54, skipping insertion in model container [2020-10-24 23:11:54,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:54" (3/3) ... [2020-10-24 23:11:54,822 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2020-10-24 23:11:54,835 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:11:54,841 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:11:54,855 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:11:54,885 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:11:54,885 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:11:54,886 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:11:54,886 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:11:54,886 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:11:54,886 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:11:54,887 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:11:54,887 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:11:54,905 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-24 23:11:54,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:11:54,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:54,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:54,914 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:54,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:54,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-24 23:11:54,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:11:54,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798929459] [2020-10-24 23:11:54,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:11:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:11:55,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:11:55,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:11:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:55,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:11:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:55,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798929459] [2020-10-24 23:11:55,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:11:55,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:11:55,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966071925] [2020-10-24 23:11:55,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:11:55,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:11:55,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:11:55,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:55,683 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-24 23:11:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:11:55,718 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-24 23:11:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:11:55,719 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:11:55,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:11:55,735 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:11:55,735 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 23:11:55,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:55,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 23:11:55,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-24 23:11:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-24 23:11:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-24 23:11:55,789 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-24 23:11:55,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:11:55,790 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-24 23:11:55,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:11:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-24 23:11:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:11:55,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:55,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:56,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:11:56,006 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:56,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:56,008 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-24 23:11:56,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:11:56,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371052739] [2020-10-24 23:11:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:11:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:57,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:58,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:58,139 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:11:58,139 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:11:58,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:11:58,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:11:58 BoogieIcfgContainer [2020-10-24 23:11:58,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:11:58,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:11:58,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:11:58,435 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:11:58,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:54" (3/4) ... [2020-10-24 23:11:58,439 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:11:58,547 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:11:58,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:11:58,550 INFO L168 Benchmark]: Toolchain (without parser) took 44749.36 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 21.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:58,551 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:11:58,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.92 ms. Allocated memory is still 46.1 MB. Free memory was 29.5 MB in the beginning and 25.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:58,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.88 ms. Allocated memory is still 46.1 MB. Free memory was 25.0 MB in the beginning and 21.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:58,553 INFO L168 Benchmark]: Boogie Preprocessor took 135.88 ms. Allocated memory is still 46.1 MB. Free memory was 21.3 MB in the beginning and 28.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:58,554 INFO L168 Benchmark]: RCFGBuilder took 40199.97 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 28.0 MB in the beginning and 37.9 MB in the end (delta: -9.9 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:58,555 INFO L168 Benchmark]: TraceAbstraction took 3619.94 ms. Allocated memory is still 58.7 MB. Free memory was 37.6 MB in the beginning and 25.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:58,556 INFO L168 Benchmark]: Witness Printer took 113.82 ms. Allocated memory is still 58.7 MB. Free memory was 25.7 MB in the beginning and 21.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:58,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 587.92 ms. Allocated memory is still 46.1 MB. Free memory was 29.5 MB in the beginning and 25.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.88 ms. Allocated memory is still 46.1 MB. Free memory was 25.0 MB in the beginning and 21.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.88 ms. Allocated memory is still 46.1 MB. Free memory was 21.3 MB in the beginning and 28.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40199.97 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 28.0 MB in the beginning and 37.9 MB in the end (delta: -9.9 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3619.94 ms. Allocated memory is still 58.7 MB. Free memory was 37.6 MB in the beginning and 25.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Witness Printer took 113.82 ms. Allocated memory is still 58.7 MB. Free memory was 25.7 MB in the beginning and 21.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 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={3:0}, 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] [L253] double x = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [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={3:0}, 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={3:0}, 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={3:0}, 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={3:0}, 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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_0685b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 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 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...