./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:18:10,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:18:10,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:18:10,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:18:10,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:18:10,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:18:10,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:18:10,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:18:10,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:18:10,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:18:10,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:18:10,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:18:10,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:18:10,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:18:10,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:18:10,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:18:10,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:18:10,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:18:10,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:18:10,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:18:10,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:18:10,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:18:10,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:18:10,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:18:10,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:18:10,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:18:10,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:18:10,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:18:10,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:18:10,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:18:10,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:18:10,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:18:10,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:18:10,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:18:10,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:18:10,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:18:10,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:18:10,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:18:10,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:18:10,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:18:10,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:18:10,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:18:10,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:18:10,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:18:10,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:18:10,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:18:10,790 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:18:10,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:18:10,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:18:10,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:18:10,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:18:10,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:18:10,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:18:10,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:18:10,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:18:10,794 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:18:10,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:18:10,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:18:10,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:18:10,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:18:10,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:18:10,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:18:10,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:18:10,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:18:10,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:18:10,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:18:10,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:18:10,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:18:10,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:18:10,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:18:10,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:18:10,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 [2020-11-29 21:18:11,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:18:11,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:18:11,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:18:11,119 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:18:11,121 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:18:11,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-11-29 21:18:11,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data/56a49a569/4bca6accda224d058284ffe503e5e55c/FLAG8c09b26f8 [2020-11-29 21:18:11,731 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:18:11,732 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-11-29 21:18:11,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data/56a49a569/4bca6accda224d058284ffe503e5e55c/FLAG8c09b26f8 [2020-11-29 21:18:12,047 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data/56a49a569/4bca6accda224d058284ffe503e5e55c [2020-11-29 21:18:12,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:18:12,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:18:12,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:12,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:18:12,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:18:12,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27bf6a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12, skipping insertion in model container [2020-11-29 21:18:12,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:18:12,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:18:12,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:12,455 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:18:12,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:12,568 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:18:12,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12 WrapperNode [2020-11-29 21:18:12,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:12,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:12,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:18:12,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:18:12,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:12,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:18:12,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:18:12,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:18:12,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... [2020-11-29 21:18:12,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:18:12,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:18:12,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:18:12,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:18:12,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:18:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:18:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:18:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 21:18:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:18:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 21:18:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:18:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:18:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 21:18:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 21:18:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:18:14,134 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:18:14,134 INFO L298 CfgBuilder]: Removed 58 assume(true) statements. [2020-11-29 21:18:14,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:14 BoogieIcfgContainer [2020-11-29 21:18:14,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:18:14,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:18:14,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:18:14,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:18:14,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:18:12" (1/3) ... [2020-11-29 21:18:14,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733b647c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:18:14, skipping insertion in model container [2020-11-29 21:18:14,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:12" (2/3) ... [2020-11-29 21:18:14,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733b647c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:18:14, skipping insertion in model container [2020-11-29 21:18:14,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:14" (3/3) ... [2020-11-29 21:18:14,145 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-11-29 21:18:14,169 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:18:14,174 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:18:14,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:18:14,214 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:18:14,214 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:18:14,214 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:18:14,214 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:18:14,215 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:18:14,215 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:18:14,215 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:18:14,215 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:18:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2020-11-29 21:18:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 21:18:14,241 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:14,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:18:14,242 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:14,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:14,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-11-29 21:18:14,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:14,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119633785] [2020-11-29 21:18:14,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:14,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119633785] [2020-11-29 21:18:14,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:14,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:18:14,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937960206] [2020-11-29 21:18:14,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:18:14,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:14,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:18:14,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:18:14,509 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2020-11-29 21:18:14,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:14,571 INFO L93 Difference]: Finished difference Result 257 states and 429 transitions. [2020-11-29 21:18:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:18:14,572 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 21:18:14,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:14,598 INFO L225 Difference]: With dead ends: 257 [2020-11-29 21:18:14,598 INFO L226 Difference]: Without dead ends: 125 [2020-11-29 21:18:14,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:18:14,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-11-29 21:18:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-11-29 21:18:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-29 21:18:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-11-29 21:18:14,670 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-11-29 21:18:14,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:14,671 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-11-29 21:18:14,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:18:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-11-29 21:18:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:18:14,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:14,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:18:14,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:18:14,675 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:14,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:14,679 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-11-29 21:18:14,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:14,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262124941] [2020-11-29 21:18:14,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:14,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262124941] [2020-11-29 21:18:14,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:14,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:18:14,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555969659] [2020-11-29 21:18:14,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:14,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:14,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:14,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:18:14,857 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-11-29 21:18:14,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:14,900 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-11-29 21:18:14,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:14,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 21:18:14,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:14,906 INFO L225 Difference]: With dead ends: 239 [2020-11-29 21:18:14,906 INFO L226 Difference]: Without dead ends: 125 [2020-11-29 21:18:14,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:18:14,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-11-29 21:18:14,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-11-29 21:18:14,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-29 21:18:14,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-11-29 21:18:14,921 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-11-29 21:18:14,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:14,921 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-11-29 21:18:14,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-11-29 21:18:14,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:18:14,923 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:14,923 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, 1] [2020-11-29 21:18:14,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:18:14,924 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:14,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:14,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-11-29 21:18:14,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:14,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841427992] [2020-11-29 21:18:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:18:15,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:18:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:18:15,273 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:18:15,329 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:18:15,332 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 21:18:15,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:18:15,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:18:15 BoogieIcfgContainer [2020-11-29 21:18:15,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:18:15,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:18:15,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:18:15,413 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:18:15,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:14" (3/4) ... [2020-11-29 21:18:15,417 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 21:18:15,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:18:15,419 INFO L168 Benchmark]: Toolchain (without parser) took 3366.84 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 75.7 MB in the beginning and 65.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:15,420 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 55.3 MB in the beginning and 55.2 MB in the end (delta: 53.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:15,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.99 ms. Allocated memory is still 96.5 MB. Free memory was 75.5 MB in the beginning and 62.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:15,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.68 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 57.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:15,423 INFO L168 Benchmark]: Boogie Preprocessor took 144.27 ms. Allocated memory is still 96.5 MB. Free memory was 57.9 MB in the beginning and 54.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:15,424 INFO L168 Benchmark]: RCFGBuilder took 1276.30 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 32.3 MB in the end (delta: 21.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:15,425 INFO L168 Benchmark]: TraceAbstraction took 1274.07 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 31.8 MB in the beginning and 65.7 MB in the end (delta: -33.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:15,425 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 117.4 MB. Free memory is still 65.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:15,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 55.3 MB in the beginning and 55.2 MB in the end (delta: 53.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 503.99 ms. Allocated memory is still 96.5 MB. Free memory was 75.5 MB in the beginning and 62.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 141.68 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 57.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 144.27 ms. Allocated memory is still 96.5 MB. Free memory was 57.9 MB in the beginning and 54.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1276.30 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 32.3 MB in the end (delta: 21.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1274.07 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 31.8 MB in the beginning and 65.7 MB in the end (delta: -33.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.78 ms. Allocated memory is still 117.4 MB. Free memory is still 65.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. 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] [L291] double x = 1.0 / 0.0; [L292] 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] [L294] 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] [L294] 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] [L294] 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] [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0683b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 130 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: 355 SDtfs, 0 SDslu, 169 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=130occurred 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, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:18:18,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:18:18,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:18:18,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:18:18,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:18:18,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:18:18,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:18:18,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:18:18,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:18:18,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:18:18,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:18:18,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:18:18,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:18:18,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:18:18,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:18:18,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:18:18,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:18:18,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:18:18,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:18:18,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:18:18,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:18:18,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:18:18,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:18:18,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:18:18,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:18:18,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:18:18,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:18:18,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:18:18,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:18:18,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:18:18,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:18:18,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:18:18,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:18:18,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:18:18,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:18:18,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:18:18,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:18:18,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:18:18,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:18:18,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:18:18,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:18:18,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 21:18:18,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:18:18,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:18:18,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:18:18,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:18:18,373 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:18:18,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:18:18,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:18:18,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:18:18,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:18:18,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:18:18,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:18:18,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:18:18,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 21:18:18,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 21:18:18,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:18:18,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:18:18,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:18:18,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:18:18,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:18:18,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:18:18,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:18:18,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:18:18,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:18:18,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:18:18,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:18:18,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:18:18,380 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 21:18:18,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 21:18:18,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:18:18,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:18:18,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 21:18:18,381 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 [2020-11-29 21:18:18,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:18:18,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:18:18,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:18:18,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:18:18,895 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:18:18,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-11-29 21:18:18,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data/d307f2db1/1c139e425c2c4bb0a1f1a96b5e017aa5/FLAG0d5050f52 [2020-11-29 21:18:19,694 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:18:19,695 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-11-29 21:18:19,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data/d307f2db1/1c139e425c2c4bb0a1f1a96b5e017aa5/FLAG0d5050f52 [2020-11-29 21:18:19,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/data/d307f2db1/1c139e425c2c4bb0a1f1a96b5e017aa5 [2020-11-29 21:18:19,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:18:19,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:18:20,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:20,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:18:20,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:18:20,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:19" (1/1) ... [2020-11-29 21:18:20,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591494e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20, skipping insertion in model container [2020-11-29 21:18:20,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:19" (1/1) ... [2020-11-29 21:18:20,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:18:20,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:18:20,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:20,366 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:18:20,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:20,620 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:18:20,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20 WrapperNode [2020-11-29 21:18:20,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:20,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:20,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:18:20,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:18:20,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:20,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:18:20,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:18:20,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:18:20,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... [2020-11-29 21:18:20,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:18:20,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:18:20,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:18:20,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:18:20,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:18:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 21:18:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 21:18:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 21:18:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:18:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-29 21:18:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 21:18:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:18:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:18:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 21:18:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:19:00,853 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:19:00,854 INFO L298 CfgBuilder]: Removed 58 assume(true) statements. [2020-11-29 21:19:00,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:19:00 BoogieIcfgContainer [2020-11-29 21:19:00,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:19:00,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:19:00,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:19:00,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:19:00,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:18:19" (1/3) ... [2020-11-29 21:19:00,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b4f2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:19:00, skipping insertion in model container [2020-11-29 21:19:00,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:20" (2/3) ... [2020-11-29 21:19:00,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b4f2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:19:00, skipping insertion in model container [2020-11-29 21:19:00,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:19:00" (3/3) ... [2020-11-29 21:19:00,865 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-11-29 21:19:00,875 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:19:00,879 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:19:00,891 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:19:00,928 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:19:00,928 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:19:00,928 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:19:00,929 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:19:00,929 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:19:00,929 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:19:00,929 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:19:00,929 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:19:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2020-11-29 21:19:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 21:19:00,953 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:19:00,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:19:00,954 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:19:00,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:19:00,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-11-29 21:19:00,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:19:00,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676391959] [2020-11-29 21:19:00,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 21:19:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:19:01,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 21:19:01,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:19:01,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:19:01,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 21:19:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:19:01,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676391959] [2020-11-29 21:19:01,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:19:01,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 21:19:01,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939257408] [2020-11-29 21:19:01,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:19:01,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 21:19:01,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:19:01,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:19:01,540 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2020-11-29 21:19:01,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:19:01,575 INFO L93 Difference]: Finished difference Result 257 states and 429 transitions. [2020-11-29 21:19:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:19:01,576 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 21:19:01,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:19:01,587 INFO L225 Difference]: With dead ends: 257 [2020-11-29 21:19:01,588 INFO L226 Difference]: Without dead ends: 125 [2020-11-29 21:19:01,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:19:01,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-11-29 21:19:01,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-11-29 21:19:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-29 21:19:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-11-29 21:19:01,658 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-11-29 21:19:01,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:19:01,659 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-11-29 21:19:01,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:19:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-11-29 21:19:01,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:19:01,663 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:19:01,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:19:01,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 21:19:01,874 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:19:01,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:19:01,875 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-11-29 21:19:01,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:19:01,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751573233] [2020-11-29 21:19:01,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 21:19:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:19:02,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:19:02,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:19:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:19:02,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 21:19:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:19:02,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751573233] [2020-11-29 21:19:02,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:19:02,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 21:19:02,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228245713] [2020-11-29 21:19:02,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:19:02,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 21:19:02,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:19:02,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:19:02,468 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-11-29 21:19:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:19:02,541 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-11-29 21:19:02,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:19:02,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 21:19:02,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:19:02,545 INFO L225 Difference]: With dead ends: 239 [2020-11-29 21:19:02,547 INFO L226 Difference]: Without dead ends: 125 [2020-11-29 21:19:02,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:19:02,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-11-29 21:19:02,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-11-29 21:19:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-29 21:19:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-11-29 21:19:02,566 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-11-29 21:19:02,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:19:02,567 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-11-29 21:19:02,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:19:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-11-29 21:19:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:19:02,575 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:19:02,575 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, 1] [2020-11-29 21:19:02,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 21:19:02,778 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:19:02,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:19:02,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-11-29 21:19:02,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:19:02,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687872526] [2020-11-29 21:19:02,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 21:19:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:19:03,766 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:19:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:19:04,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:19:04,700 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 21:19:04,700 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 21:19:04,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 21:19:04,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:19:04 BoogieIcfgContainer [2020-11-29 21:19:04,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:19:04,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:19:04,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:19:04,987 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:19:04,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:19:00" (3/4) ... [2020-11-29 21:19:04,989 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 21:19:05,120 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_298dfc74-eb61-42eb-95ee-83e9798e266a/bin/uautomizer/witness.graphml [2020-11-29 21:19:05,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:19:05,122 INFO L168 Benchmark]: Toolchain (without parser) took 45124.46 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.4 MB in the beginning and 27.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:19:05,123 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:19:05,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.16 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.2 MB in the beginning and 50.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:19:05,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.43 ms. Allocated memory is still 71.3 MB. Free memory was 50.1 MB in the beginning and 46.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:19:05,124 INFO L168 Benchmark]: Boogie Preprocessor took 111.35 ms. Allocated memory is still 71.3 MB. Free memory was 46.2 MB in the beginning and 42.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:19:05,125 INFO L168 Benchmark]: RCFGBuilder took 40015.22 ms. Allocated memory is still 71.3 MB. Free memory was 42.0 MB in the beginning and 42.9 MB in the end (delta: -891.1 kB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:19:05,125 INFO L168 Benchmark]: TraceAbstraction took 4127.74 ms. Allocated memory is still 71.3 MB. Free memory was 42.5 MB in the beginning and 33.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:19:05,126 INFO L168 Benchmark]: Witness Printer took 133.81 ms. Allocated memory is still 71.3 MB. Free memory was 33.2 MB in the beginning and 27.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:19:05,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 619.16 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.2 MB in the beginning and 50.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.43 ms. Allocated memory is still 71.3 MB. Free memory was 50.1 MB in the beginning and 46.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.35 ms. Allocated memory is still 71.3 MB. Free memory was 46.2 MB in the beginning and 42.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40015.22 ms. Allocated memory is still 71.3 MB. Free memory was 42.0 MB in the beginning and 42.9 MB in the end (delta: -891.1 kB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4127.74 ms. Allocated memory is still 71.3 MB. Free memory was 42.5 MB in the beginning and 33.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Witness Printer took 133.81 ms. Allocated memory is still 71.3 MB. Free memory was 33.2 MB in the beginning and 27.0 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={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] [L291] double x = 1.0 / 0.0; [L292] 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] [L294] 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] [L294] 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] [L294] 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] [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 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] [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0683b.c", 3, "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, 130 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred 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, 1.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 291 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...