./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a9e26b1bd5e8029428d44dc1b34e99aa980331c .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a9e26b1bd5e8029428d44dc1b34e99aa980331c ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:29:39,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:29:39,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:29:39,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:29:39,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:29:39,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:29:39,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:29:39,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:29:39,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:29:39,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:29:39,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:29:39,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:29:39,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:29:39,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:29:39,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:29:39,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:29:39,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:29:39,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:29:39,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:29:39,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:29:39,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:29:39,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:29:39,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:29:39,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:29:39,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:29:39,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:29:39,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:29:39,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:29:39,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:29:39,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:29:39,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:29:39,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:29:39,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:29:39,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:29:39,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:29:39,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:29:39,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:29:39,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:29:39,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:29:39,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:29:39,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:29:39,166 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:29:39,203 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:29:39,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:29:39,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:29:39,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:29:39,206 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:29:39,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:29:39,206 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:29:39,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:29:39,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:29:39,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:29:39,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:29:39,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:29:39,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:29:39,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:29:39,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:29:39,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:29:39,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:29:39,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:29:39,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:29:39,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:29:39,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:29:39,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:39,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:29:39,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:29:39,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:29:39,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:29:39,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:29:39,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:29:39,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:29:39,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9e26b1bd5e8029428d44dc1b34e99aa980331c [2020-10-20 00:29:39,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:29:39,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:29:39,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:29:39,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:29:39,464 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:29:39,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-10-20 00:29:39,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ce29ff7/6dacd6f7dee94f8584b7de1a5696b369/FLAG15e873e96 [2020-10-20 00:29:40,134 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:29:40,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-10-20 00:29:40,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ce29ff7/6dacd6f7dee94f8584b7de1a5696b369/FLAG15e873e96 [2020-10-20 00:29:40,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ce29ff7/6dacd6f7dee94f8584b7de1a5696b369 [2020-10-20 00:29:40,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:29:40,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:29:40,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:40,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:29:40,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:29:40,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f561371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40, skipping insertion in model container [2020-10-20 00:29:40,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:29:40,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:29:40,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:40,750 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:29:40,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:40,830 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:29:40,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40 WrapperNode [2020-10-20 00:29:40,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:40,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:40,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:29:40,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:29:40,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:40,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:29:40,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:29:40,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:29:40,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (1/1) ... [2020-10-20 00:29:40,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:29:40,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:29:40,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:29:40,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:29:40,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (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 [2020-10-20 00:29:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:29:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:29:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:29:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:29:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:29:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:29:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:29:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:29:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:29:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:41,979 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:41,980 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:29:41,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:41 BoogieIcfgContainer [2020-10-20 00:29:41,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:41,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:41,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:41,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:41,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:29:40" (1/3) ... [2020-10-20 00:29:41,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76dd9c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:41, skipping insertion in model container [2020-10-20 00:29:41,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:40" (2/3) ... [2020-10-20 00:29:41,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76dd9c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:41, skipping insertion in model container [2020-10-20 00:29:41,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:41" (3/3) ... [2020-10-20 00:29:41,991 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2020-10-20 00:29:42,002 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:42,012 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:42,027 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:42,055 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:42,056 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:42,056 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:42,056 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:42,057 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:42,057 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:42,057 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:42,057 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-20 00:29:42,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:29:42,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:42,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:42,087 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:42,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:42,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-20 00:29:42,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:29:42,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810161107] [2020-10-20 00:29:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:29:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:42,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810161107] [2020-10-20 00:29:42,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:42,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:29:42,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996965697] [2020-10-20 00:29:42,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:42,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:29:42,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:42,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:42,304 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-20 00:29:42,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:42,338 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-20 00:29:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:42,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:29:42,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:42,351 INFO L225 Difference]: With dead ends: 225 [2020-10-20 00:29:42,351 INFO L226 Difference]: Without dead ends: 110 [2020-10-20 00:29:42,355 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 [2020-10-20 00:29:42,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-20 00:29:42,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-20 00:29:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-20 00:29:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-20 00:29:42,402 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-20 00:29:42,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:42,402 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-20 00:29:42,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:42,403 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-20 00:29:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:29:42,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:42,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:42,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:29:42,404 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:42,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:42,405 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-20 00:29:42,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:29:42,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903459273] [2020-10-20 00:29:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:29:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:42,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:42,588 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:42,623 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:29:42,623 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:42,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:29:42,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:42 BoogieIcfgContainer [2020-10-20 00:29:42,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:42,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:42,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:42,708 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:42,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:41" (3/4) ... [2020-10-20 00:29:42,712 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:29:42,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:42,714 INFO L168 Benchmark]: Toolchain (without parser) took 2320.36 ms. Allocated memory was 43.5 MB in the beginning and 55.1 MB in the end (delta: 11.5 MB). Free memory was 25.5 MB in the beginning and 32.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:42,715 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 33.0 MB. Free memory was 12.8 MB in the beginning and 12.8 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:42,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.32 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 24.6 MB in the beginning and 22.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:42,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.80 ms. Allocated memory is still 44.0 MB. Free memory was 22.9 MB in the beginning and 19.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:42,718 INFO L168 Benchmark]: Boogie Preprocessor took 70.63 ms. Allocated memory is still 44.0 MB. Free memory was 19.1 MB in the beginning and 15.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:42,719 INFO L168 Benchmark]: RCFGBuilder took 1003.02 ms. Allocated memory was 44.0 MB in the beginning and 50.3 MB in the end (delta: 6.3 MB). Free memory was 15.3 MB in the beginning and 23.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:42,720 INFO L168 Benchmark]: TraceAbstraction took 724.38 ms. Allocated memory was 50.3 MB in the beginning and 55.1 MB in the end (delta: 4.7 MB). Free memory was 22.8 MB in the beginning and 32.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:42,721 INFO L168 Benchmark]: Witness Printer took 4.21 ms. Allocated memory is still 55.1 MB. Free memory was 32.9 MB in the beginning and 32.4 MB in the end (delta: 495.4 kB). Peak memory consumption was 495.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:42,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 33.0 MB. Free memory was 12.8 MB in the beginning and 12.8 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 431.32 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 24.6 MB in the beginning and 22.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 75.80 ms. Allocated memory is still 44.0 MB. Free memory was 22.9 MB in the beginning and 19.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 70.63 ms. Allocated memory is still 44.0 MB. Free memory was 19.1 MB in the beginning and 15.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1003.02 ms. Allocated memory was 44.0 MB in the beginning and 50.3 MB in the end (delta: 6.3 MB). Free memory was 15.3 MB in the beginning and 23.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 724.38 ms. Allocated memory was 50.3 MB in the beginning and 55.1 MB in the end (delta: 4.7 MB). Free memory was 22.8 MB in the beginning and 32.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. * Witness Printer took 4.21 ms. Allocated memory is still 55.1 MB. Free memory was 32.9 MB in the beginning and 32.4 MB in the end (delta: 495.4 kB). Peak memory consumption was 495.4 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0685b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:29:44,933 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:29:45,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:29:45,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:29:45,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:29:45,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:29:45,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:29:45,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:29:45,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:29:45,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:29:45,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:29:45,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:29:45,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:29:45,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:29:45,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:29:45,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:29:45,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:29:45,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:29:45,043 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:29:45,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:29:45,043 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:29:45,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:29:45,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:29:45,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:29:45,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:29:45,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:29:45,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:29:45,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:29:45,045 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:29:45,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:29:45,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:29:45,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:29:45,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:29:45,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:29:45,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:29:45,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:29:45,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:45,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:29:45,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:29:45,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:29:45,048 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:29:45,048 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:29:45,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:29:45,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:29:45,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:29:45,049 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9e26b1bd5e8029428d44dc1b34e99aa980331c [2020-10-20 00:29:45,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:29:45,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:29:45,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:29:45,294 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:29:45,294 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:29:45,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-10-20 00:29:45,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8d3a106/7f641288b21347d897075506a35c4dd3/FLAG3d254e9d6 [2020-10-20 00:29:45,923 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:29:45,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-10-20 00:29:45,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8d3a106/7f641288b21347d897075506a35c4dd3/FLAG3d254e9d6 [2020-10-20 00:29:46,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8d3a106/7f641288b21347d897075506a35c4dd3 [2020-10-20 00:29:46,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:29:46,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:29:46,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:46,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:29:46,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:29:46,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34072cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46, skipping insertion in model container [2020-10-20 00:29:46,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:29:46,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:29:46,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:46,694 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:29:46,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:46,814 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:29:46,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46 WrapperNode [2020-10-20 00:29:46,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:46,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:46,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:29:46,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:29:46,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:46,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:29:46,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:29:46,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:29:46,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (1/1) ... [2020-10-20 00:29:46,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:29:46,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:29:46,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:29:46,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:29:46,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (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 [2020-10-20 00:29:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:29:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:29:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:29:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:29:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:29:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:29:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:29:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:29:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:29:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:30:26,423 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:30:26,424 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:30:26,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:26 BoogieIcfgContainer [2020-10-20 00:30:26,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:30:26,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:30:26,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:30:26,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:30:26,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:29:46" (1/3) ... [2020-10-20 00:30:26,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df63cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:30:26, skipping insertion in model container [2020-10-20 00:30:26,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:46" (2/3) ... [2020-10-20 00:30:26,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df63cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:30:26, skipping insertion in model container [2020-10-20 00:30:26,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:26" (3/3) ... [2020-10-20 00:30:26,435 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2020-10-20 00:30:26,444 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:30:26,451 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:30:26,462 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:30:26,485 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:30:26,486 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:30:26,486 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:30:26,486 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:30:26,486 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:30:26,486 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:30:26,487 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:30:26,487 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:30:26,504 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-20 00:30:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:30:26,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:30:26,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:30:26,511 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:30:26,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:30:26,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-20 00:30:26,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:30:26,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113121194] [2020-10-20 00:30:26,531 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 [2020-10-20 00:30:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:30:27,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:30:27,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:30:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:30:27,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:30:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:30:27,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113121194] [2020-10-20 00:30:27,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:30:27,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:30:27,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848927915] [2020-10-20 00:30:27,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:30:27,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:30:27,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:30:27,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:30:27,064 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-20 00:30:27,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:30:27,120 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-20 00:30:27,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:30:27,121 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:30:27,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:30:27,134 INFO L225 Difference]: With dead ends: 225 [2020-10-20 00:30:27,135 INFO L226 Difference]: Without dead ends: 110 [2020-10-20 00:30:27,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:30:27,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-20 00:30:27,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-20 00:30:27,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-20 00:30:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-20 00:30:27,188 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-20 00:30:27,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:30:27,189 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-20 00:30:27,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:30:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-20 00:30:27,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:30:27,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:30:27,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:30:27,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:30:27,406 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:30:27,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:30:27,406 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-20 00:30:27,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:30:27,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820394384] [2020-10-20 00:30:27,408 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 [2020-10-20 00:30:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:30:28,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:30:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:30:29,472 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:30:29,702 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:30:29,703 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:30:29,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:30:29,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:30:29 BoogieIcfgContainer [2020-10-20 00:30:29,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:30:29,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:30:29,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:30:29,976 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:30:29,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:26" (3/4) ... [2020-10-20 00:30:29,978 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:30:30,067 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:30:30,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:30:30,070 INFO L168 Benchmark]: Toolchain (without parser) took 43795.92 ms. Allocated memory was 35.1 MB in the beginning and 54.5 MB in the end (delta: 19.4 MB). Free memory was 12.5 MB in the beginning and 30.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:30,070 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 33.6 MB. Free memory was 18.7 MB in the beginning and 18.7 MB in the end (delta: 29.4 kB). Peak memory consumption was 29.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:30:30,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.12 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 11.6 MB in the beginning and 15.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:30,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.09 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 15.7 MB in the beginning and 24.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:30,073 INFO L168 Benchmark]: Boogie Preprocessor took 80.26 ms. Allocated memory is still 46.1 MB. Free memory was 24.5 MB in the beginning and 20.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:30,074 INFO L168 Benchmark]: RCFGBuilder took 39442.17 ms. Allocated memory was 46.1 MB in the beginning and 50.3 MB in the end (delta: 4.2 MB). Free memory was 20.2 MB in the beginning and 19.5 MB in the end (delta: 691.1 kB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:30,075 INFO L168 Benchmark]: TraceAbstraction took 3546.89 ms. Allocated memory was 50.3 MB in the beginning and 53.0 MB in the end (delta: 2.6 MB). Free memory was 19.2 MB in the beginning and 13.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:30,076 INFO L168 Benchmark]: Witness Printer took 91.92 ms. Allocated memory was 53.0 MB in the beginning and 54.5 MB in the end (delta: 1.6 MB). Free memory was 13.0 MB in the beginning and 30.0 MB in the end (delta: -17.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:30,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 33.6 MB. Free memory was 18.7 MB in the beginning and 18.7 MB in the end (delta: 29.4 kB). Peak memory consumption was 29.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 535.12 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 11.6 MB in the beginning and 15.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 88.09 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 15.7 MB in the beginning and 24.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 80.26 ms. Allocated memory is still 46.1 MB. Free memory was 24.5 MB in the beginning and 20.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 39442.17 ms. Allocated memory was 46.1 MB in the beginning and 50.3 MB in the end (delta: 4.2 MB). Free memory was 20.2 MB in the beginning and 19.5 MB in the end (delta: 691.1 kB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3546.89 ms. Allocated memory was 50.3 MB in the beginning and 53.0 MB in the end (delta: 2.6 MB). Free memory was 19.2 MB in the beginning and 13.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * Witness Printer took 91.92 ms. Allocated memory was 53.0 MB in the beginning and 54.5 MB in the end (delta: 1.6 MB). Free memory was 13.0 MB in the beginning and 30.0 MB in the end (delta: -17.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0685b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...