./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0663a.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_0663a.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 597c506d0b3fc33883fce44a91a8553df19930fc ............................................................................................................................................................................................................................................................................................................................... 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_0663a.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 597c506d0b3fc33883fce44a91a8553df19930fc ............................................................................................................................................................................................................................................................................................................................................ 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 00:28:43,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:28:43,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:28:43,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:28:43,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:28:43,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:28:43,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:28:43,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:28:43,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:28:43,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:28:43,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:28:43,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:28:43,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:28:43,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:28:43,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:28:43,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:28:43,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:28:43,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:28:43,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:28:43,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:28:43,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:28:43,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:28:43,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:28:43,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:28:43,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:28:43,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:28:43,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:28:43,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:28:43,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:28:43,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:28:43,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:43,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:43,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:43,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:43,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:43,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:43,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:43,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:43,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:43,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:43,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:43,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:28:43,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:43,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:43,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:43,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:43,513 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:43,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:43,513 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:43,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:28:43,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:43,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:43,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:43,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:43,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:43,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:43,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:43,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:43,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:43,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:43,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:43,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:43,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:43,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:43,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:43,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:43,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:43,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:28:43,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:28:43,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:43,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:43,517 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 -> 597c506d0b3fc33883fce44a91a8553df19930fc [2020-10-20 00:28:43,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:43,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:43,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:43,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:43,763 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:43,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2020-10-20 00:28:43,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e27754e/74c31b8f6fe34c4e8654799b6e703bd7/FLAGed5170876 [2020-10-20 00:28:44,373 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:44,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2020-10-20 00:28:44,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e27754e/74c31b8f6fe34c4e8654799b6e703bd7/FLAGed5170876 [2020-10-20 00:28:44,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e27754e/74c31b8f6fe34c4e8654799b6e703bd7 [2020-10-20 00:28:44,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:44,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:44,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:44,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:44,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:44,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:44" (1/1) ... [2020-10-20 00:28:44,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab615d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:44, skipping insertion in model container [2020-10-20 00:28:44,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:44" (1/1) ... [2020-10-20 00:28:44,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:44,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:45,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:45,082 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:45,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:45,163 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:45,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45 WrapperNode [2020-10-20 00:28:45,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:45,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:45,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:45,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:45,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:45,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:45,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:45,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:45,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (1/1) ... [2020-10-20 00:28:45,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:45,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:45,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:45,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:45,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (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 [2020-10-20 00:28:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:28:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:28:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:28:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:28:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:28:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:28:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:28:46,343 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:28:46,344 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:28:46,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:46 BoogieIcfgContainer [2020-10-20 00:28:46,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:28:46,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:28:46,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:28:46,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:28:46,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:44" (1/3) ... [2020-10-20 00:28:46,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21434625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:46, skipping insertion in model container [2020-10-20 00:28:46,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:45" (2/3) ... [2020-10-20 00:28:46,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21434625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:46, skipping insertion in model container [2020-10-20 00:28:46,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:46" (3/3) ... [2020-10-20 00:28:46,359 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2020-10-20 00:28:46,373 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:28:46,381 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:28:46,397 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:28:46,425 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:28:46,425 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:28:46,425 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:28:46,425 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:28:46,426 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:28:46,426 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:28:46,426 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:28:46,426 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:28:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-20 00:28:46,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:28:46,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:46,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:46,455 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:46,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:46,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-20 00:28:46,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:46,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196898060] [2020-10-20 00:28:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:28:46,664 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 00:28:46,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196898060] [2020-10-20 00:28:46,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:28:46,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:28:46,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821296541] [2020-10-20 00:28:46,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:28:46,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:28:46,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:28:46,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:28:46,703 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-20 00:28:46,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:28:46,739 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-20 00:28:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:28:46,740 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:28:46,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:28:46,755 INFO L225 Difference]: With dead ends: 228 [2020-10-20 00:28:46,755 INFO L226 Difference]: Without dead ends: 111 [2020-10-20 00:28:46,759 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 00:28:46,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-20 00:28:46,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-20 00:28:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-20 00:28:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-20 00:28:46,811 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-20 00:28:46,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:28:46,812 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-20 00:28:46,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:28:46,812 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-20 00:28:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:28:46,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:46,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:46,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:28:46,814 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:46,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:46,814 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-20 00:28:46,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:46,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432728833] [2020-10-20 00:28:46,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:46,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:46,996 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:47,073 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:28:47,074 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:28:47,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:28:47,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:28:47 BoogieIcfgContainer [2020-10-20 00:28:47,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:28:47,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:28:47,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:28:47,137 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:28:47,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:46" (3/4) ... [2020-10-20 00:28:47,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:28:47,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:28:47,146 INFO L168 Benchmark]: Toolchain (without parser) took 2448.32 ms. Allocated memory was 35.1 MB in the beginning and 53.5 MB in the end (delta: 18.4 MB). Free memory was 11.7 MB in the beginning and 27.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:47,147 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 33.6 MB. Free memory was 18.6 MB in the beginning and 18.6 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:47,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.16 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 10.8 MB in the beginning and 21.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:47,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.66 ms. Allocated memory is still 44.0 MB. Free memory was 21.4 MB in the beginning and 17.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:47,150 INFO L168 Benchmark]: Boogie Preprocessor took 117.63 ms. Allocated memory was 44.0 MB in the beginning and 43.5 MB in the end (delta: -524.3 kB). Free memory was 17.5 MB in the beginning and 24.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:47,151 INFO L168 Benchmark]: RCFGBuilder took 987.51 ms. Allocated memory was 43.5 MB in the beginning and 49.8 MB in the end (delta: 6.3 MB). Free memory was 24.4 MB in the beginning and 25.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:47,152 INFO L168 Benchmark]: TraceAbstraction took 788.12 ms. Allocated memory was 49.8 MB in the beginning and 53.5 MB in the end (delta: 3.7 MB). Free memory was 25.0 MB in the beginning and 27.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:47,153 INFO L168 Benchmark]: Witness Printer took 6.49 ms. Allocated memory is still 53.5 MB. Free memory was 27.8 MB in the beginning and 27.3 MB in the end (delta: 453.7 kB). Peak memory consumption was 453.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:47,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 33.6 MB. Free memory was 18.6 MB in the beginning and 18.6 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 462.16 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 10.8 MB in the beginning and 21.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 76.66 ms. Allocated memory is still 44.0 MB. Free memory was 21.4 MB in the beginning and 17.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 117.63 ms. Allocated memory was 44.0 MB in the beginning and 43.5 MB in the end (delta: -524.3 kB). Free memory was 17.5 MB in the beginning and 24.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 987.51 ms. Allocated memory was 43.5 MB in the beginning and 49.8 MB in the end (delta: 6.3 MB). Free memory was 24.4 MB in the beginning and 25.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 788.12 ms. Allocated memory was 49.8 MB in the beginning and 53.5 MB in the end (delta: 3.7 MB). Free memory was 25.0 MB in the beginning and 27.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. * Witness Printer took 6.49 ms. Allocated memory is still 53.5 MB. Free memory was 27.8 MB in the beginning and 27.3 MB in the end (delta: 453.7 kB). Peak memory consumption was 453.7 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 253, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 261. 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 = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE 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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 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_0663a.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:28:49,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:28:49,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:28:49,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-20 00:28:49,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:49,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:49,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:49,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:49,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:49,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:49,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:49,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:49,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:49,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:49,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:49,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:28:49,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:49,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:49,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:49,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:49,508 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:49,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:49,509 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:49,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:49,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:49,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:49,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:49,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:49,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:28:49,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:28:49,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:49,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:49,510 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:49,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:49,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:49,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:49,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:49,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:49,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:49,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:49,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:49,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:49,512 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:28:49,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:28:49,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:49,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:49,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:28:49,513 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 -> 597c506d0b3fc33883fce44a91a8553df19930fc [2020-10-20 00:28:49,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:49,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:49,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:49,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:49,753 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:49,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2020-10-20 00:28:49,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd1ab48d/c65676d4ab0240b282376303983d18c7/FLAGb420e79f0 [2020-10-20 00:28:50,447 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:50,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2020-10-20 00:28:50,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd1ab48d/c65676d4ab0240b282376303983d18c7/FLAGb420e79f0 [2020-10-20 00:28:50,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd1ab48d/c65676d4ab0240b282376303983d18c7 [2020-10-20 00:28:50,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:50,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:50,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:50,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:50,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:50,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364bd619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50, skipping insertion in model container [2020-10-20 00:28:50,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:50,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:51,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:51,122 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:51,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:51,250 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:51,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51 WrapperNode [2020-10-20 00:28:51,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:51,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:51,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:51,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:51,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:51,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:51,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:51,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:51,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (1/1) ... [2020-10-20 00:28:51,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:51,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:51,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:51,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:51,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (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 00:28:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:28:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:28:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:28:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:28:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:28:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:28:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:30,407 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:30,408 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:29:30,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:30 BoogieIcfgContainer [2020-10-20 00:29:30,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:30,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:30,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:30,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:30,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:50" (1/3) ... [2020-10-20 00:29:30,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a47016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:30, skipping insertion in model container [2020-10-20 00:29:30,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:51" (2/3) ... [2020-10-20 00:29:30,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a47016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:30, skipping insertion in model container [2020-10-20 00:29:30,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:30" (3/3) ... [2020-10-20 00:29:30,419 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2020-10-20 00:29:30,429 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:30,437 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:30,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:30,476 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:30,476 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:30,476 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:30,476 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:30,477 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:30,477 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:30,477 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:30,477 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-20 00:29:30,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:29:30,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:30,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:30,500 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:30,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:30,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-20 00:29:30,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:30,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083551304] [2020-10-20 00:29:30,517 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 00:29:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:31,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:29:31,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:29:31,040 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 00:29:31,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:29:31,046 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 00:29:31,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083551304] [2020-10-20 00:29:31,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:31,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:29:31,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86581000] [2020-10-20 00:29:31,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:31,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:29:31,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:31,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:31,089 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-20 00:29:31,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:31,121 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-20 00:29:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:31,123 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:29:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:31,135 INFO L225 Difference]: With dead ends: 228 [2020-10-20 00:29:31,135 INFO L226 Difference]: Without dead ends: 111 [2020-10-20 00:29:31,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:31,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-20 00:29:31,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-20 00:29:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-20 00:29:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-20 00:29:31,185 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-20 00:29:31,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:31,186 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-20 00:29:31,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-20 00:29:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:29:31,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:31,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:31,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:29:31,394 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:31,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:31,395 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-20 00:29:31,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:31,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762939749] [2020-10-20 00:29:31,397 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 00:29:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:32,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:33,038 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:33,168 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:29:33,168 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:33,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:29:33,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:33 BoogieIcfgContainer [2020-10-20 00:29:33,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:33,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:33,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:33,426 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:33,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:30" (3/4) ... [2020-10-20 00:29:33,429 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:29:33,547 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:29:33,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:33,550 INFO L168 Benchmark]: Toolchain (without parser) took 42782.66 ms. Allocated memory was 40.9 MB in the beginning and 54.5 MB in the end (delta: 13.6 MB). Free memory was 19.0 MB in the beginning and 30.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:33,552 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 30.9 MB. Free memory was 7.0 MB in the beginning and 6.9 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:33,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.22 ms. Allocated memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: 1.0 MB). Free memory was 18.1 MB in the beginning and 10.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:33,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.07 ms. Allocated memory was 41.9 MB in the beginning and 43.0 MB in the end (delta: 1.0 MB). Free memory was 10.0 MB in the beginning and 22.7 MB in the end (delta: -12.7 MB). Peak memory consumption was 168.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:33,561 INFO L168 Benchmark]: Boogie Preprocessor took 73.38 ms. Allocated memory is still 43.0 MB. Free memory was 22.7 MB in the beginning and 18.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:33,565 INFO L168 Benchmark]: RCFGBuilder took 38988.27 ms. Allocated memory was 43.0 MB in the beginning and 48.8 MB in the end (delta: 5.8 MB). Free memory was 18.5 MB in the beginning and 19.0 MB in the end (delta: -495.3 kB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:33,566 INFO L168 Benchmark]: TraceAbstraction took 3014.14 ms. Allocated memory was 48.8 MB in the beginning and 51.9 MB in the end (delta: 3.1 MB). Free memory was 18.6 MB in the beginning and 12.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:33,567 INFO L168 Benchmark]: Witness Printer took 121.91 ms. Allocated memory was 51.9 MB in the beginning and 54.5 MB in the end (delta: 2.6 MB). Free memory was 12.3 MB in the beginning and 30.9 MB in the end (delta: -18.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:33,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 30.9 MB. Free memory was 7.0 MB in the beginning and 6.9 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 477.22 ms. Allocated memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: 1.0 MB). Free memory was 18.1 MB in the beginning and 10.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 96.07 ms. Allocated memory was 41.9 MB in the beginning and 43.0 MB in the end (delta: 1.0 MB). Free memory was 10.0 MB in the beginning and 22.7 MB in the end (delta: -12.7 MB). Peak memory consumption was 168.7 kB. Max. memory is 14.3 GB. * Boogie Preprocessor took 73.38 ms. Allocated memory is still 43.0 MB. Free memory was 22.7 MB in the beginning and 18.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 38988.27 ms. Allocated memory was 43.0 MB in the beginning and 48.8 MB in the end (delta: 5.8 MB). Free memory was 18.5 MB in the beginning and 19.0 MB in the end (delta: -495.3 kB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3014.14 ms. Allocated memory was 48.8 MB in the beginning and 51.9 MB in the end (delta: 3.1 MB). Free memory was 18.6 MB in the beginning and 12.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. * Witness Printer took 121.91 ms. Allocated memory was 51.9 MB in the beginning and 54.5 MB in the end (delta: 2.6 MB). Free memory was 12.3 MB in the beginning and 30.9 MB in the end (delta: -18.6 MB). Peak memory consumption was 2.1 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 = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE 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={-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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 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_0663a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...