./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 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_0682a.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 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c ..................................................................................................................................................................................................................................................................................................................................................................................................... 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_0682a.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 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c ......................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-096883e [2020-12-01 23:11:25,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:11:25,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:11:25,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:11:25,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:11:25,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:11:25,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:11:25,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:11:25,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:11:25,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:11:25,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:11:25,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:11:25,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:11:25,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:11:25,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:11:25,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:11:25,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:11:25,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:11:25,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:11:25,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:11:25,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:11:25,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:11:25,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:11:25,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:11:25,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:11:25,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:11:25,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:11:25,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:11:25,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:11:25,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:11:25,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:11:25,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:11:25,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:11:25,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:11:26,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:11:26,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:11:26,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:11:26,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:11:26,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:11:26,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:11:26,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:11:26,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:11:26,058 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:11:26,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:11:26,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:11:26,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:11:26,063 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:11:26,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:11:26,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:11:26,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:11:26,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:11:26,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:11:26,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:11:26,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:11:26,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:11:26,067 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:11:26,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:11:26,068 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:11:26,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:11:26,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:11:26,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:11:26,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:11:26,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:11:26,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:11:26,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:11:26,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:11:26,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:11:26,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:11:26,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:11:26,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:11:26,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:11:26,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c [2020-12-01 23:11:26,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:11:26,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:11:26,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:11:26,547 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:11:26,548 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:11:26,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2020-12-01 23:11:26,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/587bf5135/e1a1ef4d6f204a45a7b5f2bb42e6f74b/FLAGa9db8d533 [2020-12-01 23:11:27,392 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:11:27,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2020-12-01 23:11:27,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/587bf5135/e1a1ef4d6f204a45a7b5f2bb42e6f74b/FLAGa9db8d533 [2020-12-01 23:11:27,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/587bf5135/e1a1ef4d6f204a45a7b5f2bb42e6f74b [2020-12-01 23:11:27,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:11:27,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:11:27,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:11:27,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:11:27,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:11:27,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:11:27" (1/1) ... [2020-12-01 23:11:27,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34867468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:27, skipping insertion in model container [2020-12-01 23:11:27,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:11:27" (1/1) ... [2020-12-01 23:11:27,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:11:27,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:11:27,867 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c[6875,6888] [2020-12-01 23:11:27,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:11:27,889 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:11:27,964 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c[6875,6888] [2020-12-01 23:11:27,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:11:28,006 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:11:28,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28 WrapperNode [2020-12-01 23:11:28,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:11:28,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:11:28,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:11:28,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:11:28,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:11:28,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:11:28,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:11:28,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:11:28,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (1/1) ... [2020-12-01 23:11:28,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:11:28,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:11:28,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:11:28,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:11:28,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (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 [2020-12-01 23:11:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:11:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:11:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:11:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:11:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:11:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:11:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:11:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:11:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:11:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:11:29,496 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:11:29,496 INFO L298 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-01 23:11:29,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:29 BoogieIcfgContainer [2020-12-01 23:11:29,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:11:29,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:11:29,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:11:29,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:11:29,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:11:27" (1/3) ... [2020-12-01 23:11:29,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9d55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:29, skipping insertion in model container [2020-12-01 23:11:29,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:28" (2/3) ... [2020-12-01 23:11:29,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9d55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:29, skipping insertion in model container [2020-12-01 23:11:29,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:29" (3/3) ... [2020-12-01 23:11:29,507 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2020-12-01 23:11:29,522 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:11:29,526 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:11:29,539 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:11:29,574 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:11:29,574 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:11:29,574 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:11:29,575 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:11:29,575 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:11:29,575 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:11:29,575 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:11:29,575 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:11:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-01 23:11:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 23:11:29,600 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:29,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:29,601 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:29,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:29,608 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-12-01 23:11:29,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:11:29,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771048340] [2020-12-01 23:11:29,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:11:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:11:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:11:29,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771048340] [2020-12-01 23:11:29,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:11:29,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:11:29,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764373473] [2020-12-01 23:11:29,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:11:29,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:11:29,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:11:29,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:11:29,887 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-01 23:11:29,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:11:29,953 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2020-12-01 23:11:29,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:11:29,955 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 23:11:29,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:11:29,987 INFO L225 Difference]: With dead ends: 246 [2020-12-01 23:11:29,987 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:11:29,994 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 [2020-12-01 23:11:30,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:11:30,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:11:30,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:11:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-12-01 23:11:30,077 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-12-01 23:11:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:11:30,078 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-12-01 23:11:30,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:11:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-12-01 23:11:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 23:11:30,081 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:30,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:30,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:11:30,082 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:30,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:30,084 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-12-01 23:11:30,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:11:30,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256980355] [2020-12-01 23:11:30,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:11:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:11:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:11:30,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256980355] [2020-12-01 23:11:30,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:11:30,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 23:11:30,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883035272] [2020-12-01 23:11:30,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:11:30,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:11:30,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:11:30,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:11:30,285 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-12-01 23:11:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:11:30,317 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-12-01 23:11:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:11:30,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 23:11:30,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:11:30,320 INFO L225 Difference]: With dead ends: 229 [2020-12-01 23:11:30,321 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:11:30,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:11:30,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:11:30,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:11:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:11:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-12-01 23:11:30,334 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-12-01 23:11:30,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:11:30,334 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-12-01 23:11:30,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:11:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-12-01 23:11:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 23:11:30,336 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:30,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:30,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:11:30,337 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:30,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:30,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-12-01 23:11:30,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:11:30,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875816467] [2020-12-01 23:11:30,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:11:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:30,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:30,660 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:30,698 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:11:30,698 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:11:30,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 23:11:30,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:11:30 BoogieIcfgContainer [2020-12-01 23:11:30,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:11:30,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:11:30,757 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:11:30,757 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:11:30,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:29" (3/4) ... [2020-12-01 23:11:30,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:11:30,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:11:30,764 INFO L168 Benchmark]: Toolchain (without parser) took 3178.17 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 29.6 MB in the beginning and 35.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:30,765 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:11:30,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.22 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 25.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:30,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.29 ms. Allocated memory is still 46.1 MB. Free memory was 25.8 MB in the beginning and 22.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:30,768 INFO L168 Benchmark]: Boogie Preprocessor took 139.68 ms. Allocated memory is still 46.1 MB. Free memory was 21.9 MB in the beginning and 27.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:30,769 INFO L168 Benchmark]: RCFGBuilder took 1273.62 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.0 MB in the beginning and 25.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:30,770 INFO L168 Benchmark]: TraceAbstraction took 1256.44 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.7 MB in the beginning and 35.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:30,770 INFO L168 Benchmark]: Witness Printer took 4.68 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 35.5 MB in the end (delta: 410.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:11:30,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 420.22 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 25.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.29 ms. Allocated memory is still 46.1 MB. Free memory was 25.8 MB in the beginning and 22.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 139.68 ms. Allocated memory is still 46.1 MB. Free memory was 21.9 MB in the beginning and 27.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1273.62 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.0 MB in the beginning and 25.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1256.44 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.7 MB in the beginning and 35.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.68 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 35.5 MB in the end (delta: 410.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 287]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 286. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y < 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] [L283] double res = __ieee754_atan2(y, x); [L286] 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] [L287] 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, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:11:33,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:11:33,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:11:33,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:11:33,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:11:33,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:11:33,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:11:33,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:11:33,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:11:33,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:11:33,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:11:33,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:11:33,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:11:33,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:11:33,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:11:33,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:11:33,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:11:33,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:11:33,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:11:33,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:11:33,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:11:33,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:11:33,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:11:33,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:11:33,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:11:33,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:11:33,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:11:33,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:11:33,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:11:33,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:11:33,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:11:33,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:11:33,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:11:33,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:11:33,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:11:33,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:11:33,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:11:33,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:11:33,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:11:33,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:11:33,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:11:33,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:11:33,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:11:33,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:11:33,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:11:33,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:11:33,583 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:11:33,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:11:33,583 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:11:33,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:11:33,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:11:33,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:11:33,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:11:33,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:11:33,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:11:33,585 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:11:33,585 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:11:33,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:11:33,586 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:11:33,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:11:33,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:11:33,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:11:33,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:11:33,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:11:33,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:11:33,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:11:33,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:11:33,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:11:33,590 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:11:33,590 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:11:33,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:11:33,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:11:33,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:11:33,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c [2020-12-01 23:11:34,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:11:34,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:11:34,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:11:34,069 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:11:34,072 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:11:34,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2020-12-01 23:11:34,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6277f81eb/e215c64a6f9643599ce34ce1cca36ed1/FLAGa5c05661a [2020-12-01 23:11:34,865 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:11:34,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2020-12-01 23:11:34,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6277f81eb/e215c64a6f9643599ce34ce1cca36ed1/FLAGa5c05661a [2020-12-01 23:11:35,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6277f81eb/e215c64a6f9643599ce34ce1cca36ed1 [2020-12-01 23:11:35,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:11:35,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:11:35,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:11:35,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:11:35,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:11:35,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a962a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35, skipping insertion in model container [2020-12-01 23:11:35,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:11:35,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:11:35,487 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c[6875,6888] [2020-12-01 23:11:35,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:11:35,509 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:11:35,586 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c[6875,6888] [2020-12-01 23:11:35,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:11:35,630 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:11:35,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35 WrapperNode [2020-12-01 23:11:35,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:11:35,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:11:35,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:11:35,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:11:35,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:11:35,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:11:35,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:11:35,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:11:35,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (1/1) ... [2020-12-01 23:11:35,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:11:35,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:11:35,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:11:35,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:11:35,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (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 [2020-12-01 23:11:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:11:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:11:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:11:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:11:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:11:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:11:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:11:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:11:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:11:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:12:26,141 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:12:26,142 INFO L298 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-01 23:12:26,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:26 BoogieIcfgContainer [2020-12-01 23:12:26,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:12:26,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:12:26,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:12:26,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:12:26,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:11:35" (1/3) ... [2020-12-01 23:12:26,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407c37a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:26, skipping insertion in model container [2020-12-01 23:12:26,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:35" (2/3) ... [2020-12-01 23:12:26,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407c37a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:26, skipping insertion in model container [2020-12-01 23:12:26,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:26" (3/3) ... [2020-12-01 23:12:26,154 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2020-12-01 23:12:26,172 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:12:26,176 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:12:26,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:12:26,243 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:12:26,244 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:12:26,244 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:12:26,244 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:12:26,244 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:12:26,245 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:12:26,245 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:12:26,246 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:12:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-01 23:12:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 23:12:26,272 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:26,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:26,274 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:26,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:26,281 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-12-01 23:12:26,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:12:26,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857195714] [2020-12-01 23:12:26,298 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 [2020-12-01 23:12:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:26,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:12:26,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:12:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:26,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:12:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:26,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857195714] [2020-12-01 23:12:26,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:26,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:12:26,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112029342] [2020-12-01 23:12:26,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:12:26,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:12:26,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:12:26,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:12:26,963 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-01 23:12:27,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:27,012 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2020-12-01 23:12:27,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:12:27,015 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 23:12:27,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:27,033 INFO L225 Difference]: With dead ends: 246 [2020-12-01 23:12:27,034 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:12:27,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:12:27,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:12:27,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:12:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:12:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-12-01 23:12:27,111 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-12-01 23:12:27,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:27,112 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-12-01 23:12:27,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:12:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-12-01 23:12:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 23:12:27,116 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:27,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:27,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:12:27,330 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:27,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:27,332 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-12-01 23:12:27,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:12:27,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742922457] [2020-12-01 23:12:27,335 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 [2020-12-01 23:12:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:27,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 23:12:27,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:12:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:28,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:12:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:28,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742922457] [2020-12-01 23:12:28,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:28,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-01 23:12:28,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189066208] [2020-12-01 23:12:28,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:12:28,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:12:28,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:12:28,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:12:28,050 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-12-01 23:12:28,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:28,271 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-12-01 23:12:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:12:28,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 23:12:28,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:28,274 INFO L225 Difference]: With dead ends: 229 [2020-12-01 23:12:28,274 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:12:28,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:12:28,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:12:28,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:12:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:12:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-12-01 23:12:28,286 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-12-01 23:12:28,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:28,287 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-12-01 23:12:28,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:12:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-12-01 23:12:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 23:12:28,288 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:28,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:28,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:12:28,502 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:28,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:28,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-12-01 23:12:28,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:12:28,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390452967] [2020-12-01 23:12:28,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-01 23:12:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:29,406 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:30,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:30,705 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:12:30,706 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:12:30,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 23:12:31,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:12:31 BoogieIcfgContainer [2020-12-01 23:12:31,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:12:31,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:12:31,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:12:31,092 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:12:31,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:26" (3/4) ... [2020-12-01 23:12:31,095 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:12:31,247 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:12:31,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:12:31,250 INFO L168 Benchmark]: Toolchain (without parser) took 56082.10 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.5 MB in the beginning and 17.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,250 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:31,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.72 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.3 MB in the beginning and 33.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.04 ms. Allocated memory is still 50.3 MB. Free memory was 33.5 MB in the beginning and 29.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,252 INFO L168 Benchmark]: Boogie Preprocessor took 136.27 ms. Allocated memory is still 50.3 MB. Free memory was 29.6 MB in the beginning and 25.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,252 INFO L168 Benchmark]: RCFGBuilder took 50276.69 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 28.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,253 INFO L168 Benchmark]: TraceAbstraction took 4944.19 ms. Allocated memory is still 50.3 MB. Free memory was 27.8 MB in the beginning and 23.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,253 INFO L168 Benchmark]: Witness Printer took 156.40 ms. Allocated memory is still 50.3 MB. Free memory was 23.6 MB in the beginning and 17.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.72 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.3 MB in the beginning and 33.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.04 ms. Allocated memory is still 50.3 MB. Free memory was 33.5 MB in the beginning and 29.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 136.27 ms. Allocated memory is still 50.3 MB. Free memory was 29.6 MB in the beginning and 25.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 50276.69 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 28.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4944.19 ms. Allocated memory is still 50.3 MB. Free memory was 27.8 MB in the beginning and 23.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Witness Printer took 156.40 ms. Allocated memory is still 50.3 MB. Free memory was 23.6 MB in the beginning and 17.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 287]: a call to reach_error is reachable a call to reach_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={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y < 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={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != -pi VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L287] reach_error() VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...