./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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 [2020-10-24 23:10:41,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:10:41,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:10:41,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:10:41,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:10:41,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:10:41,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:10:41,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:10:41,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:10:41,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:10:41,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:10:41,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:10:41,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:10:41,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:10:41,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:10:41,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:10:41,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:10:41,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:10:41,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:10:41,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:10:41,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:10:41,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:10:41,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:10:41,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:10:41,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:10:41,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:10:41,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:10:41,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:10:41,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:10:41,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:10:41,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:10:41,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:10:41,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:10:41,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:10:41,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:10:41,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:10:41,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:10:41,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:10:41,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:10:41,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:10:41,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:10:41,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:10:41,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:10:41,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:10:41,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:10:41,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:10:41,879 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:10:41,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:10:41,880 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:10:41,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:10:41,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:10:41,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:10:41,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:10:41,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:10:41,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:10:41,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:10:41,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:10:41,886 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:10:41,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:10:41,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:10:41,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:10:41,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:10:41,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:10:41,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:10:41,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:10:41,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:10:41,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:10:41,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:10:41,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:10:41,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:10:41,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:10:41,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 [2020-10-24 23:10:42,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:10:42,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:10:42,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:10:42,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:10:42,934 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:10:42,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-10-24 23:10:43,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd11c74c4/1ea866843f2046558c8b4faadc9af5f5/FLAG1ce0d70d5 [2020-10-24 23:10:44,797 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:10:44,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-10-24 23:10:44,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd11c74c4/1ea866843f2046558c8b4faadc9af5f5/FLAG1ce0d70d5 [2020-10-24 23:10:44,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd11c74c4/1ea866843f2046558c8b4faadc9af5f5 [2020-10-24 23:10:44,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:10:44,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:10:44,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:10:44,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:10:44,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:10:44,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:44" (1/1) ... [2020-10-24 23:10:44,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280a8d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:44, skipping insertion in model container [2020-10-24 23:10:44,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:44" (1/1) ... [2020-10-24 23:10:44,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:10:45,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:10:45,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:10:45,571 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:10:45,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:10:45,806 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:10:45,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45 WrapperNode [2020-10-24 23:10:45,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:10:45,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:10:45,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:10:45,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:10:45,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:45,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:46,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:10:46,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:10:46,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:10:46,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:10:46,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:46,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:46,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:46,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:46,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:46,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:46,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... [2020-10-24 23:10:46,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:10:46,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:10:46,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:10:46,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:10:46,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:10:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:10:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:10:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:10:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:10:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:10:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:10:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:10:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:10:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:10:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:10:48,840 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:10:48,841 INFO L298 CfgBuilder]: Removed 58 assume(true) statements. [2020-10-24 23:10:48,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:48 BoogieIcfgContainer [2020-10-24 23:10:48,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:10:48,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:10:48,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:10:48,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:10:48,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:10:44" (1/3) ... [2020-10-24 23:10:48,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5268a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:10:48, skipping insertion in model container [2020-10-24 23:10:48,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:45" (2/3) ... [2020-10-24 23:10:48,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5268a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:10:48, skipping insertion in model container [2020-10-24 23:10:48,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:48" (3/3) ... [2020-10-24 23:10:48,878 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-10-24 23:10:48,913 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:10:48,929 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:10:48,963 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:10:49,036 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:10:49,037 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:10:49,038 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:10:49,038 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:10:49,039 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:10:49,039 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:10:49,040 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:10:49,040 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:10:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2020-10-24 23:10:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 23:10:49,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:49,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:10:49,125 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:49,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:49,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-10-24 23:10:49,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:10:49,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573216079] [2020-10-24 23:10:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:10:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:10:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:10:49,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573216079] [2020-10-24 23:10:49,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:10:49,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:10:49,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281648138] [2020-10-24 23:10:49,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:10:49,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:10:49,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:10:49,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:10:49,757 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2020-10-24 23:10:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:10:49,838 INFO L93 Difference]: Finished difference Result 257 states and 429 transitions. [2020-10-24 23:10:49,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:10:49,842 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-24 23:10:49,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:10:49,877 INFO L225 Difference]: With dead ends: 257 [2020-10-24 23:10:49,878 INFO L226 Difference]: Without dead ends: 125 [2020-10-24 23:10:49,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:10:49,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-24 23:10:49,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-24 23:10:49,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-24 23:10:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-10-24 23:10:50,007 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-10-24 23:10:50,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:10:50,010 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-10-24 23:10:50,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:10:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-10-24 23:10:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-24 23:10:50,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:50,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:10:50,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:10:50,017 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:50,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-10-24 23:10:50,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:10:50,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742107037] [2020-10-24 23:10:50,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:10:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:10:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:10:50,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742107037] [2020-10-24 23:10:50,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:10:50,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-24 23:10:50,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710669928] [2020-10-24 23:10:50,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 23:10:50,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:10:50,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 23:10:50,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 23:10:50,507 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-10-24 23:10:50,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:10:50,623 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-10-24 23:10:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 23:10:50,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-24 23:10:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:10:50,632 INFO L225 Difference]: With dead ends: 239 [2020-10-24 23:10:50,634 INFO L226 Difference]: Without dead ends: 125 [2020-10-24 23:10:50,639 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 [2020-10-24 23:10:50,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-24 23:10:50,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-24 23:10:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-24 23:10:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-10-24 23:10:50,673 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-10-24 23:10:50,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:10:50,675 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-10-24 23:10:50,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 23:10:50,676 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-10-24 23:10:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-24 23:10:50,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:50,680 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] [2020-10-24 23:10:50,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:10:50,682 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:50,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:50,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-10-24 23:10:50,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:10:50,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613601618] [2020-10-24 23:10:50,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:10:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:10:51,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:10:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:10:51,422 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:10:51,517 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:10:51,518 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:10:51,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 23:10:51,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:10:51 BoogieIcfgContainer [2020-10-24 23:10:51,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:10:51,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:10:51,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:10:51,749 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:10:51,752 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:48" (3/4) ... [2020-10-24 23:10:51,765 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:10:51,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:10:51,774 INFO L168 Benchmark]: Toolchain (without parser) took 6857.01 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 23.7 MB in the beginning and 47.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:51,778 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 39.8 MB. Free memory was 23.4 MB in the beginning and 23.3 MB in the end (delta: 23.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:10:51,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 884.33 ms. Allocated memory is still 48.2 MB. Free memory was 23.0 MB in the beginning and 30.1 MB in the end (delta: -7.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:51,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 277.71 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 26.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:51,799 INFO L168 Benchmark]: Boogie Preprocessor took 177.64 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 22.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:51,803 INFO L168 Benchmark]: RCFGBuilder took 2576.49 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 26.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:51,808 INFO L168 Benchmark]: TraceAbstraction took 2888.95 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 25.7 MB in the beginning and 47.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:51,812 INFO L168 Benchmark]: Witness Printer took 23.55 ms. Allocated memory is still 71.3 MB. Free memory was 47.8 MB in the beginning and 47.2 MB in the end (delta: 625.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:10:51,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 39.8 MB. Free memory was 23.4 MB in the beginning and 23.3 MB in the end (delta: 23.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 884.33 ms. Allocated memory is still 48.2 MB. Free memory was 23.0 MB in the beginning and 30.1 MB in the end (delta: -7.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 277.71 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 26.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 177.64 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 22.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2576.49 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 26.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2888.95 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 25.7 MB in the beginning and 47.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Witness Printer took 23.55 ms. Allocated memory is still 71.3 MB. Free memory was 47.8 MB in the beginning and 47.2 MB in the end (delta: 625.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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: 2.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.4s 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 [2020-10-24 23:10:57,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:10:57,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:10:57,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:10:57,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:10:57,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:10:57,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:10:57,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:10:57,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:10:57,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:10:57,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:10:57,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:10:57,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:10:57,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:10:57,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:10:57,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:10:57,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:10:57,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:10:57,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:10:57,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:10:57,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:10:57,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:10:57,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:10:57,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:10:57,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:10:57,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:10:57,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:10:57,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:10:57,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:10:57,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:10:57,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:10:57,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:10:57,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:10:57,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:10:57,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:10:57,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:10:57,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:10:57,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:10:57,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:10:57,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:10:57,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:10:57,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:10:57,660 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:10:57,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:10:57,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:10:57,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:10:57,668 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:10:57,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:10:57,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:10:57,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:10:57,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:10:57,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:10:57,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:10:57,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:10:57,670 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:10:57,671 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:10:57,671 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:10:57,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:10:57,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:10:57,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:10:57,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:10:57,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:10:57,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:10:57,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:10:57,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:10:57,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:10:57,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:10:57,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:10:57,676 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:10:57,676 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:10:57,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:10:57,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:10:57,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:10:57,678 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 [2020-10-24 23:10:58,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:10:58,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:10:58,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:10:58,758 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:10:58,760 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:10:58,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-10-24 23:10:58,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe11f6431/385fb4720e3d454dba8920fe636159a7/FLAG09c88f000 [2020-10-24 23:11:00,660 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:11:00,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-10-24 23:11:00,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe11f6431/385fb4720e3d454dba8920fe636159a7/FLAG09c88f000 [2020-10-24 23:11:00,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe11f6431/385fb4720e3d454dba8920fe636159a7 [2020-10-24 23:11:00,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:11:00,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:11:00,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:00,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:11:00,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:11:00,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:00" (1/1) ... [2020-10-24 23:11:00,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab1fe7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:00, skipping insertion in model container [2020-10-24 23:11:00,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:00" (1/1) ... [2020-10-24 23:11:00,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:11:00,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:11:01,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:01,705 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:11:01,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:01,977 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:11:01,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01 WrapperNode [2020-10-24 23:11:01,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:01,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:01,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:11:01,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:11:02,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:02,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:11:02,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:11:02,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:11:02,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... [2020-10-24 23:11:02,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:11:02,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:11:02,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:11:02,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:11:02,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:11:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:11:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:11:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:11:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:11:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:11:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:11:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:11:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:11:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:11:53,985 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:11:53,987 INFO L298 CfgBuilder]: Removed 58 assume(true) statements. [2020-10-24 23:11:53,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:53 BoogieIcfgContainer [2020-10-24 23:11:53,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:11:54,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:11:54,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:11:54,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:11:54,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:11:00" (1/3) ... [2020-10-24 23:11:54,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129312a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:54, skipping insertion in model container [2020-10-24 23:11:54,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:01" (2/3) ... [2020-10-24 23:11:54,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129312a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:54, skipping insertion in model container [2020-10-24 23:11:54,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:53" (3/3) ... [2020-10-24 23:11:54,033 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-10-24 23:11:54,068 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:11:54,092 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:11:54,136 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:11:54,214 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:11:54,216 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:11:54,216 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:11:54,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:11:54,217 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:11:54,217 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:11:54,217 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:11:54,218 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:11:54,266 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2020-10-24 23:11:54,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 23:11:54,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:54,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:54,296 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:54,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:54,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-10-24 23:11:54,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:11:54,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595878066] [2020-10-24 23:11:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:11:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:11:55,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:11:55,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:11:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:55,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:11:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:55,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595878066] [2020-10-24 23:11:55,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:11:55,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:11:55,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314620022] [2020-10-24 23:11:55,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:11:55,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:11:55,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:11:55,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:55,433 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2020-10-24 23:11:55,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:11:55,518 INFO L93 Difference]: Finished difference Result 257 states and 429 transitions. [2020-10-24 23:11:55,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:11:55,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-24 23:11:55,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:11:55,556 INFO L225 Difference]: With dead ends: 257 [2020-10-24 23:11:55,557 INFO L226 Difference]: Without dead ends: 125 [2020-10-24 23:11:55,569 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 [2020-10-24 23:11:55,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-24 23:11:55,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-24 23:11:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-24 23:11:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-10-24 23:11:55,698 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-10-24 23:11:55,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:11:55,699 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-10-24 23:11:55,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:11:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-10-24 23:11:55,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-24 23:11:55,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:55,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:55,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:11:55,919 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:55,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:55,922 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-10-24 23:11:55,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:11:55,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020758617] [2020-10-24 23:11:55,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 23:11:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:11:57,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-24 23:11:57,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:11:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:57,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:11:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:57,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020758617] [2020-10-24 23:11:57,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:11:57,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-24 23:11:57,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706827215] [2020-10-24 23:11:57,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 23:11:57,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:11:57,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 23:11:57,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 23:11:57,574 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-10-24 23:11:57,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:11:57,905 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-10-24 23:11:57,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 23:11:57,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-24 23:11:57,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:11:57,919 INFO L225 Difference]: With dead ends: 239 [2020-10-24 23:11:57,925 INFO L226 Difference]: Without dead ends: 125 [2020-10-24 23:11:57,932 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 [2020-10-24 23:11:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-24 23:11:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-24 23:11:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-24 23:11:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-10-24 23:11:57,990 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-10-24 23:11:57,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:11:57,998 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-10-24 23:11:57,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 23:11:58,001 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-10-24 23:11:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-24 23:11:58,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:58,008 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] [2020-10-24 23:11:58,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:11:58,211 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:58,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:58,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-10-24 23:11:58,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:11:58,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590350827] [2020-10-24 23:11:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 23:12:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:12:00,686 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:12:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:12:03,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:12:03,575 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:12:03,576 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:12:03,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:12:03,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:12:03 BoogieIcfgContainer [2020-10-24 23:12:03,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:12:03,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:12:03,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:12:03,988 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:12:03,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:53" (3/4) ... [2020-10-24 23:12:03,997 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:12:04,281 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:12:04,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:12:04,289 INFO L168 Benchmark]: Toolchain (without parser) took 63540.33 ms. Allocated memory was 46.1 MB in the beginning and 62.9 MB in the end (delta: 16.8 MB). Free memory was 29.7 MB in the beginning and 19.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:04,290 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 37.7 MB. Free memory was 17.3 MB in the beginning and 17.3 MB in the end (delta: 23.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:12:04,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1216.88 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 23.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:04,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.96 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 19.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:04,293 INFO L168 Benchmark]: Boogie Preprocessor took 248.60 ms. Allocated memory is still 46.1 MB. Free memory was 19.6 MB in the beginning and 26.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:04,294 INFO L168 Benchmark]: RCFGBuilder took 51578.10 ms. Allocated memory was 46.1 MB in the beginning and 62.9 MB in the end (delta: 16.8 MB). Free memory was 26.3 MB in the beginning and 41.0 MB in the end (delta: -14.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:04,295 INFO L168 Benchmark]: TraceAbstraction took 9979.48 ms. Allocated memory is still 62.9 MB. Free memory was 40.6 MB in the beginning and 25.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:04,296 INFO L168 Benchmark]: Witness Printer took 298.41 ms. Allocated memory is still 62.9 MB. Free memory was 25.9 MB in the beginning and 19.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:04,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 37.7 MB. Free memory was 17.3 MB in the beginning and 17.3 MB in the end (delta: 23.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1216.88 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 23.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 181.96 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 19.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 248.60 ms. Allocated memory is still 46.1 MB. Free memory was 19.6 MB in the beginning and 26.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 51578.10 ms. Allocated memory was 46.1 MB in the beginning and 62.9 MB in the end (delta: 16.8 MB). Free memory was 26.3 MB in the beginning and 41.0 MB in the end (delta: -14.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9979.48 ms. Allocated memory is still 62.9 MB. Free memory was 40.6 MB in the beginning and 25.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 298.41 ms. Allocated memory is still 62.9 MB. Free memory was 25.9 MB in the beginning and 19.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 8.4 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: 9.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, 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, 0.2s 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 0.3s 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...