./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0662b.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_0662b.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 c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 ............................................................................................................................................................................................................................................................................................................................... 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_0662b.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 c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 ............................................................................................................................................................................................................................................................................................................................................ 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 00:28:39,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:28:39,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:28:39,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:28:39,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:28:39,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:28:39,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:28:39,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:28:39,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:28:39,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:28:39,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:28:39,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:28:39,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:28:39,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:28:39,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:28:39,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:28:39,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:28:39,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:28:39,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:28:39,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:28:39,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:28:39,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:28:39,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:28:39,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:28:39,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:28:39,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:28:39,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:28:39,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:28:39,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:28:39,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:28:39,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:39,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:39,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:39,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:39,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:39,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:39,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:39,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:39,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:39,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:39,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:39,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:28:39,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:39,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:39,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:39,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:39,789 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:39,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:39,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:39,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:28:39,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:39,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:39,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:39,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:39,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:39,791 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:39,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:39,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:39,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:39,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:39,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:39,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:39,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:39,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:39,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:39,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:39,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:39,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:28:39,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:28:39,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:39,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:39,796 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 -> c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 [2020-10-20 00:28:40,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:40,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:40,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:40,156 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:40,160 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:40,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-10-20 00:28:40,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78ced5c7/aec7095366754cb0a7db43add44920ca/FLAG0c911ef45 [2020-10-20 00:28:40,920 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:40,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-10-20 00:28:40,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78ced5c7/aec7095366754cb0a7db43add44920ca/FLAG0c911ef45 [2020-10-20 00:28:41,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78ced5c7/aec7095366754cb0a7db43add44920ca [2020-10-20 00:28:41,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:41,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:41,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:41,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:41,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:41,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:41,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e47e9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41, skipping insertion in model container [2020-10-20 00:28:41,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:41,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:41,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:41,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:41,845 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:41,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:41,948 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:41,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41 WrapperNode [2020-10-20 00:28:41,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:41,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:41,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:41,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:41,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:41,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:42,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:42,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:42,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:42,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:42,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:42,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:42,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:42,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:42,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:42,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:42,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (1/1) ... [2020-10-20 00:28:42,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:42,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:42,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:42,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:42,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (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 00:28:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:28:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:28:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:28:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:28:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:28:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:28:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:28:43,476 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:28:43,477 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:28:43,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:43 BoogieIcfgContainer [2020-10-20 00:28:43,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:28:43,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:28:43,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:28:43,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:28:43,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:41" (1/3) ... [2020-10-20 00:28:43,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708d06d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:43, skipping insertion in model container [2020-10-20 00:28:43,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:41" (2/3) ... [2020-10-20 00:28:43,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708d06d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:43, skipping insertion in model container [2020-10-20 00:28:43,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:43" (3/3) ... [2020-10-20 00:28:43,493 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2020-10-20 00:28:43,516 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:28:43,528 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:28:43,550 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:28:43,591 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:28:43,592 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:28:43,592 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:28:43,592 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:28:43,592 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:28:43,592 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:28:43,592 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:28:43,593 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:28:43,623 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-20 00:28:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:28:43,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:43,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:43,635 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:43,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:43,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-20 00:28:43,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:43,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784160116] [2020-10-20 00:28:43,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:28:43,887 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 00:28:43,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784160116] [2020-10-20 00:28:43,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:28:43,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:28:43,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228337609] [2020-10-20 00:28:43,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:28:43,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:28:43,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:28:43,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:28:43,924 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-20 00:28:43,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:28:43,967 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-20 00:28:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:28:43,969 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:28:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:28:43,985 INFO L225 Difference]: With dead ends: 228 [2020-10-20 00:28:43,986 INFO L226 Difference]: Without dead ends: 111 [2020-10-20 00:28:43,992 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 00:28:44,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-20 00:28:44,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-20 00:28:44,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-20 00:28:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-20 00:28:44,078 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-20 00:28:44,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:28:44,078 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-20 00:28:44,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:28:44,079 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-20 00:28:44,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:28:44,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:44,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:44,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:28:44,080 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:44,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:44,081 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-20 00:28:44,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:44,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967099486] [2020-10-20 00:28:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:44,247 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:44,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:44,437 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:28:44,438 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:28:44,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:28:44,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:28:44 BoogieIcfgContainer [2020-10-20 00:28:44,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:28:44,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:28:44,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:28:44,515 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:28:44,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:43" (3/4) ... [2020-10-20 00:28:44,546 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:28:44,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:28:44,552 INFO L168 Benchmark]: Toolchain (without parser) took 3271.54 ms. Allocated memory was 41.4 MB in the beginning and 50.9 MB in the end (delta: 9.4 MB). Free memory was 19.9 MB in the beginning and 30.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:44,554 INFO L168 Benchmark]: CDTParser took 1.41 ms. Allocated memory is still 31.5 MB. Free memory was 8.7 MB in the beginning and 8.6 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:44,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.72 ms. Allocated memory was 41.4 MB in the beginning and 41.9 MB in the end (delta: 524.3 kB). Free memory was 19.1 MB in the beginning and 15.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:44,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.85 ms. Allocated memory is still 41.9 MB. Free memory was 15.0 MB in the beginning and 11.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:44,560 INFO L168 Benchmark]: Boogie Preprocessor took 114.07 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 11.2 MB in the beginning and 25.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:44,561 INFO L168 Benchmark]: RCFGBuilder took 1306.72 ms. Allocated memory was 44.0 MB in the beginning and 47.7 MB in the end (delta: 3.7 MB). Free memory was 25.3 MB in the beginning and 28.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:44,564 INFO L168 Benchmark]: TraceAbstraction took 1029.92 ms. Allocated memory was 47.7 MB in the beginning and 48.8 MB in the end (delta: 1.0 MB). Free memory was 28.4 MB in the beginning and 5.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:44,572 INFO L168 Benchmark]: Witness Printer took 31.66 ms. Allocated memory was 48.8 MB in the beginning and 50.9 MB in the end (delta: 2.1 MB). Free memory was 5.4 MB in the beginning and 30.1 MB in the end (delta: -24.8 MB). Peak memory consumption was 8.2 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:44,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 ms. Allocated memory is still 31.5 MB. Free memory was 8.7 MB in the beginning and 8.6 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 663.72 ms. Allocated memory was 41.4 MB in the beginning and 41.9 MB in the end (delta: 524.3 kB). Free memory was 19.1 MB in the beginning and 15.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 106.85 ms. Allocated memory is still 41.9 MB. Free memory was 15.0 MB in the beginning and 11.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 114.07 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 11.2 MB in the beginning and 25.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1306.72 ms. Allocated memory was 44.0 MB in the beginning and 47.7 MB in the end (delta: 3.7 MB). Free memory was 25.3 MB in the beginning and 28.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1029.92 ms. Allocated memory was 47.7 MB in the beginning and 48.8 MB in the end (delta: 1.0 MB). Free memory was 28.4 MB in the beginning and 5.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 14.3 GB. * Witness Printer took 31.66 ms. Allocated memory was 48.8 MB in the beginning and 50.9 MB in the end (delta: 2.1 MB). Free memory was 5.4 MB in the beginning and 30.1 MB in the end (delta: -24.8 MB). Peak memory consumption was 8.2 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 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_0662b.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: 0.8s, 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, 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, 0.2s 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 00:28:47,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:28:47,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:28:47,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-20 00:28:47,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:47,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:47,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:47,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:47,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:47,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:47,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:47,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:47,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:47,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:47,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:47,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:28:47,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:47,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:47,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:47,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:47,741 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:47,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:47,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:47,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:47,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:47,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:47,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:47,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:47,743 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:28:47,743 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:28:47,743 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:47,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:47,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:47,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:47,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:47,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:47,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:47,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:47,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:47,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:47,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:47,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:47,746 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:28:47,746 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:28:47,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:47,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:47,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:28:47,747 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 -> c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 [2020-10-20 00:28:48,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:48,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:48,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:48,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:48,051 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:48,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-10-20 00:28:48,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b9356a7d/79b3ee35d89a490188b59706b8c89e8b/FLAG4c229c261 [2020-10-20 00:28:48,786 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:48,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-10-20 00:28:48,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b9356a7d/79b3ee35d89a490188b59706b8c89e8b/FLAG4c229c261 [2020-10-20 00:28:49,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b9356a7d/79b3ee35d89a490188b59706b8c89e8b [2020-10-20 00:28:49,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:49,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:49,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:49,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:49,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:49,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:49,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3b16e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49, skipping insertion in model container [2020-10-20 00:28:49,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:49,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:49,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:49,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:49,722 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:49,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:49,900 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:49,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49 WrapperNode [2020-10-20 00:28:49,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:49,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:49,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:49,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:49,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:49,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:49,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:49,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:49,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:49,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:50,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:50,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:50,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:50,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:50,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:50,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:50,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:50,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:50,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:50,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:50,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:50,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (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 00:28:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:28:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:28:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:28:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:28:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:28:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:28:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:33,278 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:33,279 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:29:33,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:33 BoogieIcfgContainer [2020-10-20 00:29:33,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:33,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:33,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:33,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:33,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:49" (1/3) ... [2020-10-20 00:29:33,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c89a409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:33, skipping insertion in model container [2020-10-20 00:29:33,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49" (2/3) ... [2020-10-20 00:29:33,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c89a409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:33, skipping insertion in model container [2020-10-20 00:29:33,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:33" (3/3) ... [2020-10-20 00:29:33,295 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2020-10-20 00:29:33,309 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:33,319 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:33,333 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:33,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:33,358 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:33,358 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:33,358 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:33,358 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:33,359 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:33,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:33,359 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:33,374 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-20 00:29:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:29:33,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:33,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:33,380 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:33,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:33,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-20 00:29:33,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:33,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352492609] [2020-10-20 00:29:33,400 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 00:29:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:33,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:29:33,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:29:33,816 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 00:29:33,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:29:33,821 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 00:29:33,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352492609] [2020-10-20 00:29:33,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:33,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:29:33,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135195243] [2020-10-20 00:29:33,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:33,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:29:33,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:33,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:33,847 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-20 00:29:33,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:33,891 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-20 00:29:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:33,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:29:33,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:33,907 INFO L225 Difference]: With dead ends: 228 [2020-10-20 00:29:33,908 INFO L226 Difference]: Without dead ends: 111 [2020-10-20 00:29:33,912 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 00:29:33,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-20 00:29:33,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-20 00:29:33,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-20 00:29:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-20 00:29:33,962 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-20 00:29:33,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:33,962 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-20 00:29:33,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-20 00:29:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:29:33,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:33,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:34,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:29:34,180 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:34,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:34,181 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-20 00:29:34,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:34,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350459068] [2020-10-20 00:29:34,183 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 00:29:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:35,079 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:35,835 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:36,015 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:29:36,015 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:36,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:29:36,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:36 BoogieIcfgContainer [2020-10-20 00:29:36,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:36,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:36,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:36,301 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:36,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:33" (3/4) ... [2020-10-20 00:29:36,305 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:29:36,443 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:29:36,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:36,446 INFO L168 Benchmark]: Toolchain (without parser) took 47338.77 ms. Allocated memory was 37.7 MB in the beginning and 65.0 MB in the end (delta: 27.3 MB). Free memory was 13.5 MB in the beginning and 34.8 MB in the end (delta: -21.3 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:36,446 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 37.2 MB. Free memory is still 16.5 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:29:36,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.08 ms. Allocated memory was 37.7 MB in the beginning and 45.6 MB in the end (delta: 7.9 MB). Free memory was 12.7 MB in the beginning and 21.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:36,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.08 ms. Allocated memory is still 45.6 MB. Free memory was 21.0 MB in the beginning and 17.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:36,455 INFO L168 Benchmark]: Boogie Preprocessor took 122.06 ms. Allocated memory was 45.6 MB in the beginning and 49.3 MB in the end (delta: 3.7 MB). Free memory was 17.0 MB in the beginning and 29.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:36,455 INFO L168 Benchmark]: RCFGBuilder took 43159.69 ms. Allocated memory was 49.3 MB in the beginning and 59.8 MB in the end (delta: 10.5 MB). Free memory was 29.6 MB in the beginning and 16.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:36,456 INFO L168 Benchmark]: TraceAbstraction took 3016.06 ms. Allocated memory was 59.8 MB in the beginning and 65.0 MB in the end (delta: 5.2 MB). Free memory was 16.3 MB in the beginning and 40.2 MB in the end (delta: -23.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:36,457 INFO L168 Benchmark]: Witness Printer took 142.50 ms. Allocated memory is still 65.0 MB. Free memory was 39.6 MB in the beginning and 34.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:36,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 37.2 MB. Free memory is still 16.5 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 786.08 ms. Allocated memory was 37.7 MB in the beginning and 45.6 MB in the end (delta: 7.9 MB). Free memory was 12.7 MB in the beginning and 21.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 96.08 ms. Allocated memory is still 45.6 MB. Free memory was 21.0 MB in the beginning and 17.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 122.06 ms. Allocated memory was 45.6 MB in the beginning and 49.3 MB in the end (delta: 3.7 MB). Free memory was 17.0 MB in the beginning and 29.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 43159.69 ms. Allocated memory was 49.3 MB in the beginning and 59.8 MB in the end (delta: 10.5 MB). Free memory was 29.6 MB in the beginning and 16.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3016.06 ms. Allocated memory was 59.8 MB in the beginning and 65.0 MB in the end (delta: 5.2 MB). Free memory was 16.3 MB in the beginning and 40.2 MB in the end (delta: -23.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Witness Printer took 142.50 ms. Allocated memory is still 65.0 MB. Free memory was 39.6 MB in the beginning and 34.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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_0662b.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...