./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0660b.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_0660b.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 8d94564205655c2e8fe6741648a4c146e2f9a3c8 ..................................................................................................................................................................................................................................................................................................................................... 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_0660b.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 8d94564205655c2e8fe6741648a4c146e2f9a3c8 .................................................................................................................................................................................................................................................................................................................................................. 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 23:07:34,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:07:34,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:07:34,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:07:34,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:07:34,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:07:34,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:07:34,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:07:34,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:07:34,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:07:34,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:07:34,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:07:34,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:07:34,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:07:34,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:07:34,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:07:34,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:07:34,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:07:34,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:07:34,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:07:34,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:07:34,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:07:34,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:07:34,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:07:34,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:07:34,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:07:34,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:07:34,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:07:34,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:07:34,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:07:34,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:07:34,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:07:34,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:07:34,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:07:34,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:07:34,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:07:34,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:07:34,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:07:34,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:07:34,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:07:34,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:07:34,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:07:34,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:07:34,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:07:34,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:07:34,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:07:34,828 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:07:34,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:07:34,828 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:07:34,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:07:34,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:07:34,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:07:34,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:07:34,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:07:34,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:07:34,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:07:34,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:07:34,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:07:34,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:07:34,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:07:34,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:07:34,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:07:34,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:07:34,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:07:34,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:07:34,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:07:34,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:07:34,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:07:34,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:07:34,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:07:34,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:07:34,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-10-24 23:07:35,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:07:35,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:07:35,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:07:35,369 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:07:35,370 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:07:35,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-24 23:07:35,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5133f497b/b1f38221118b43d4ad4c789b98a533b3/FLAGbcb86a2bb [2020-10-24 23:07:36,116 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:07:36,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-24 23:07:36,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5133f497b/b1f38221118b43d4ad4c789b98a533b3/FLAGbcb86a2bb [2020-10-24 23:07:36,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5133f497b/b1f38221118b43d4ad4c789b98a533b3 [2020-10-24 23:07:36,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:07:36,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:07:36,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:07:36,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:07:36,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:07:36,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:36,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9e6916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36, skipping insertion in model container [2020-10-24 23:07:36,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:36,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:07:36,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:07:36,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:07:36,826 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:07:36,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:07:36,936 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:07:36,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36 WrapperNode [2020-10-24 23:07:36,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:07:36,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:07:36,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:07:36,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:07:36,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:36,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:37,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:07:37,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:07:37,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:07:37,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:07:37,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:37,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:37,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:37,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:37,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:37,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:37,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (1/1) ... [2020-10-24 23:07:37,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:07:37,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:07:37,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:07:37,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:07:37,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (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 23:07:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:07:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:07:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:07:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:07:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:07:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:07:37,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:07:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:07:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:07:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:07:38,384 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:07:38,384 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:07:38,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:07:38 BoogieIcfgContainer [2020-10-24 23:07:38,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:07:38,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:07:38,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:07:38,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:07:38,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:07:36" (1/3) ... [2020-10-24 23:07:38,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bce5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:07:38, skipping insertion in model container [2020-10-24 23:07:38,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:36" (2/3) ... [2020-10-24 23:07:38,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bce5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:07:38, skipping insertion in model container [2020-10-24 23:07:38,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:07:38" (3/3) ... [2020-10-24 23:07:38,396 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-10-24 23:07:38,408 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:07:38,414 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:07:38,429 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:07:38,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:07:38,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:07:38,461 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:07:38,461 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:07:38,461 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:07:38,461 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:07:38,461 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:07:38,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:07:38,485 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-24 23:07:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:07:38,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:07:38,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:07:38,493 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:07:38,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:07:38,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-24 23:07:38,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:07:38,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173209164] [2020-10-24 23:07:38,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:07:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:07:38,739 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 23:07:38,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173209164] [2020-10-24 23:07:38,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:07:38,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:07:38,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142117135] [2020-10-24 23:07:38,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:07:38,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:07:38,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:07:38,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:07:38,772 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-24 23:07:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:07:38,808 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-24 23:07:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:07:38,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 23:07:38,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:07:38,823 INFO L225 Difference]: With dead ends: 228 [2020-10-24 23:07:38,823 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 23:07:38,827 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 23:07:38,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 23:07:38,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-24 23:07:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:07:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-24 23:07:38,890 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-24 23:07:38,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:07:38,891 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-24 23:07:38,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:07:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-24 23:07:38,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 23:07:38,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:07:38,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:07:38,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:07:38,897 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:07:38,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:07:38,899 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-24 23:07:38,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:07:38,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866071599] [2020-10-24 23:07:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:07:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:07:39,025 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:07:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:07:39,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:07:39,226 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:07:39,226 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:07:39,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:07:39,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:07:39 BoogieIcfgContainer [2020-10-24 23:07:39,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:07:39,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:07:39,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:07:39,330 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:07:39,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:07:38" (3/4) ... [2020-10-24 23:07:39,337 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:07:39,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:07:39,344 INFO L168 Benchmark]: Toolchain (without parser) took 2893.60 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 18.6 MB in the beginning and 23.9 MB in the end (delta: -5.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:39,345 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 41.9 MB. Free memory is still 21.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:07:39,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.42 ms. Allocated memory is still 52.4 MB. Free memory was 37.7 MB in the beginning and 23.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:39,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.34 ms. Allocated memory is still 52.4 MB. Free memory was 23.2 MB in the beginning and 33.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:39,349 INFO L168 Benchmark]: Boogie Preprocessor took 109.53 ms. Allocated memory is still 52.4 MB. Free memory was 33.3 MB in the beginning and 29.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:39,351 INFO L168 Benchmark]: RCFGBuilder took 1246.74 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.7 MB in the beginning and 42.6 MB in the end (delta: -13.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:39,353 INFO L168 Benchmark]: TraceAbstraction took 941.03 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 24.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:39,354 INFO L168 Benchmark]: Witness Printer took 7.79 ms. Allocated memory is still 62.9 MB. Free memory was 24.2 MB in the beginning and 23.9 MB in the end (delta: 358.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:07:39,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 41.9 MB. Free memory is still 21.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 458.42 ms. Allocated memory is still 52.4 MB. Free memory was 37.7 MB in the beginning and 23.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.34 ms. Allocated memory is still 52.4 MB. Free memory was 23.2 MB in the beginning and 33.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.53 ms. Allocated memory is still 52.4 MB. Free memory was 33.3 MB in the beginning and 29.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1246.74 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.7 MB in the beginning and 42.6 MB in the end (delta: -13.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 941.03 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 24.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Witness Printer took 7.79 ms. Allocated memory is still 62.9 MB. Free memory was 24.2 MB in the beginning and 23.9 MB in the end (delta: 358.0 kB). 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 bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 260. 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] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; 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] [L255] COND TRUE x < 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] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi 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_0660b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 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=116occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 23:07:42,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:07:42,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:07:42,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:07:42,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:07:42,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:07:42,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:07:42,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:07:42,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:07:42,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:07:42,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:07:42,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:07:42,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:07:42,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:07:42,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:07:42,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:07:42,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:07:42,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:07:42,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:07:42,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:07:42,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:07:42,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:07:42,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:07:42,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:07:42,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:07:42,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:07:42,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:07:42,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:07:42,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:07:42,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:07:42,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:07:42,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:07:42,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:07:42,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:07:42,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:07:42,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:07:42,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:07:42,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:07:42,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:07:42,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:07:42,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:07:42,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:07:42,249 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:07:42,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:07:42,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:07:42,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:07:42,255 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:07:42,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:07:42,256 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:07:42,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:07:42,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:07:42,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:07:42,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:07:42,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:07:42,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:07:42,260 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:07:42,260 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:07:42,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:07:42,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:07:42,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:07:42,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:07:42,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:07:42,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:07:42,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:07:42,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:07:42,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:07:42,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:07:42,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:07:42,264 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:07:42,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:07:42,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:07:42,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:07:42,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:07:42,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-10-24 23:07:42,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:07:42,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:07:42,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:07:42,780 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:07:42,781 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:07:42,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-24 23:07:42,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ffdd96a/21c3a1196df4418a93c19a2730f4ace0/FLAG006ecf2a4 [2020-10-24 23:07:43,464 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:07:43,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-24 23:07:43,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ffdd96a/21c3a1196df4418a93c19a2730f4ace0/FLAG006ecf2a4 [2020-10-24 23:07:43,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ffdd96a/21c3a1196df4418a93c19a2730f4ace0 [2020-10-24 23:07:43,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:07:43,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:07:43,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:07:43,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:07:43,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:07:43,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:43" (1/1) ... [2020-10-24 23:07:43,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71294dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:43, skipping insertion in model container [2020-10-24 23:07:43,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:43" (1/1) ... [2020-10-24 23:07:43,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:07:43,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:07:44,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:07:44,214 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:07:44,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:07:44,401 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:07:44,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44 WrapperNode [2020-10-24 23:07:44,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:07:44,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:07:44,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:07:44,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:07:44,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:07:44,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:07:44,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:07:44,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:07:44,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (1/1) ... [2020-10-24 23:07:44,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:07:44,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:07:44,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:07:44,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:07:44,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (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 23:07:44,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:07:44,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:07:44,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:07:44,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:07:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:07:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:07:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:07:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:07:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:07:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:08:25,709 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:08:25,710 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:08:25,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:25 BoogieIcfgContainer [2020-10-24 23:08:25,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:08:25,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:08:25,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:08:25,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:08:25,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:07:43" (1/3) ... [2020-10-24 23:08:25,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f0e07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:25, skipping insertion in model container [2020-10-24 23:08:25,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:44" (2/3) ... [2020-10-24 23:08:25,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f0e07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:25, skipping insertion in model container [2020-10-24 23:08:25,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:25" (3/3) ... [2020-10-24 23:08:25,723 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-10-24 23:08:25,737 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:08:25,745 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:08:25,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:08:25,790 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:08:25,790 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:08:25,790 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:08:25,790 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:08:25,790 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:08:25,791 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:08:25,791 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:08:25,791 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:08:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-24 23:08:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:08:25,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:08:25,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:08:25,819 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:08:25,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:08:25,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-24 23:08:25,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:08:25,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521051674] [2020-10-24 23:08:25,843 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 23:08:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:08:26,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:08:26,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:08:26,509 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 23:08:26,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:08:26,513 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 23:08:26,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521051674] [2020-10-24 23:08:26,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:08:26,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:08:26,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048110506] [2020-10-24 23:08:26,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:08:26,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:08:26,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:08:26,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:08:26,557 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-24 23:08:26,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:08:26,627 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-24 23:08:26,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:08:26,629 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 23:08:26,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:08:26,646 INFO L225 Difference]: With dead ends: 228 [2020-10-24 23:08:26,646 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 23:08:26,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 23:08:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 23:08:26,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-24 23:08:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:08:26,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-24 23:08:26,711 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-24 23:08:26,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:08:26,712 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-24 23:08:26,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:08:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-24 23:08:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 23:08:26,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:08:26,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:08:26,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:08:26,921 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:08:26,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:08:26,923 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-24 23:08:26,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:08:26,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907862680] [2020-10-24 23:08:26,925 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 23:08:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:08:27,687 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:08:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:08:28,413 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:08:28,545 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:08:28,546 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:08:28,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:08:28,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:08:28 BoogieIcfgContainer [2020-10-24 23:08:28,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:08:28,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:08:28,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:08:28,848 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:08:28,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:25" (3/4) ... [2020-10-24 23:08:28,851 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:08:28,965 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:08:28,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:08:28,968 INFO L168 Benchmark]: Toolchain (without parser) took 45146.62 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 27.0 MB in the beginning and 40.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:28,969 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:08:28,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.46 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.4 MB in the beginning and 45.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:28,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.31 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 41.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:28,971 INFO L168 Benchmark]: Boogie Preprocessor took 103.93 ms. Allocated memory is still 62.9 MB. Free memory was 41.5 MB in the beginning and 37.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:28,971 INFO L168 Benchmark]: RCFGBuilder took 41118.34 ms. Allocated memory is still 62.9 MB. Free memory was 37.5 MB in the beginning and 42.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:28,972 INFO L168 Benchmark]: TraceAbstraction took 3131.20 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 23.3 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:28,973 INFO L168 Benchmark]: Witness Printer took 118.78 ms. Allocated memory is still 62.9 MB. Free memory was 23.3 MB in the beginning and 40.6 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:28,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 574.46 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.4 MB in the beginning and 45.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.31 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 41.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.93 ms. Allocated memory is still 62.9 MB. Free memory was 41.5 MB in the beginning and 37.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 41118.34 ms. Allocated memory is still 62.9 MB. Free memory was 37.5 MB in the beginning and 42.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3131.20 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 23.3 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 118.78 ms. Allocated memory is still 62.9 MB. Free memory was 23.3 MB in the beginning and 40.6 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.7 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] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; 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] [L255] COND TRUE x < 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] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi 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_0660b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 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...