./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0661a.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_0661a.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 b824bf566437e177299c8e8b970f777a8a8d288a ................................................................................................................................................................................................................................................................................................................................. 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_0661a.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 b824bf566437e177299c8e8b970f777a8a8d288a .............................................................................................................................................................................................................................................................................................................................................. 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 00:28:19,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:28:19,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:28:19,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:28:19,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:28:19,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:28:19,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:28:19,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:28:19,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:28:19,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:28:19,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:28:19,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:28:19,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:28:19,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:28:19,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:28:19,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:28:19,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:28:19,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:28:19,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:28:19,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:28:19,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:28:19,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:28:19,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:28:19,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:28:19,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:28:19,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:28:19,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:28:19,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:28:19,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:28:19,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:28:19,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:19,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:19,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:19,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:19,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:19,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:19,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:19,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:19,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:19,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:19,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:19,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:28:19,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:19,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:19,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:19,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:19,801 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:19,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:19,802 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:19,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:28:19,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:19,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:19,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:19,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:19,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:19,804 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:19,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:19,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:19,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:19,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:19,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:19,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:19,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:19,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:19,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:19,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:19,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:19,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:28:19,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:28:19,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:19,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:19,809 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 -> b824bf566437e177299c8e8b970f777a8a8d288a [2020-10-20 00:28:20,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:20,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:20,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:20,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:20,115 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:20,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-20 00:28:20,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f6919fe/a2c411c013b44a48b591cc596d30cf79/FLAG70b785a10 [2020-10-20 00:28:20,939 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:20,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-20 00:28:20,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f6919fe/a2c411c013b44a48b591cc596d30cf79/FLAG70b785a10 [2020-10-20 00:28:21,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f6919fe/a2c411c013b44a48b591cc596d30cf79 [2020-10-20 00:28:21,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:21,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:21,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:21,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:21,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:21,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:21,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469fddb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21, skipping insertion in model container [2020-10-20 00:28:21,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:21,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:21,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:21,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:21,747 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:21,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:21,878 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:21,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21 WrapperNode [2020-10-20 00:28:21,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:21,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:21,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:21,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:21,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:21,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:21,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:21,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:21,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:21,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:21,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:21,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:22,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:22,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:22,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:22,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:22,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (1/1) ... [2020-10-20 00:28:22,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:22,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:22,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:22,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:22,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (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 00:28:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:28:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:28:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:28:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:28:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:28:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:28:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:28:23,307 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:28:23,308 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-20 00:28:23,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:23 BoogieIcfgContainer [2020-10-20 00:28:23,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:28:23,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:28:23,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:28:23,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:28:23,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:21" (1/3) ... [2020-10-20 00:28:23,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3980b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:23, skipping insertion in model container [2020-10-20 00:28:23,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:21" (2/3) ... [2020-10-20 00:28:23,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3980b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:23, skipping insertion in model container [2020-10-20 00:28:23,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:23" (3/3) ... [2020-10-20 00:28:23,323 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2020-10-20 00:28:23,340 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:28:23,352 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:28:23,374 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:28:23,414 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:28:23,415 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:28:23,416 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:28:23,416 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:28:23,416 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:28:23,416 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:28:23,417 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:28:23,417 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:28:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-10-20 00:28:23,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:28:23,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:23,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:23,461 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:23,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:23,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-10-20 00:28:23,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:23,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338425103] [2020-10-20 00:28:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:28:23,883 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 00:28:23,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338425103] [2020-10-20 00:28:23,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:28:23,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:28:23,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708993269] [2020-10-20 00:28:23,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:28:23,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:28:23,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:28:23,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:28:23,915 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-10-20 00:28:23,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:28:23,956 INFO L93 Difference]: Finished difference Result 238 states and 399 transitions. [2020-10-20 00:28:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:28:23,959 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-20 00:28:23,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:28:23,975 INFO L225 Difference]: With dead ends: 238 [2020-10-20 00:28:23,975 INFO L226 Difference]: Without dead ends: 116 [2020-10-20 00:28:23,981 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 00:28:24,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-20 00:28:24,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-20 00:28:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-20 00:28:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-10-20 00:28:24,040 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-10-20 00:28:24,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:28:24,041 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-10-20 00:28:24,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:28:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-10-20 00:28:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:28:24,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:24,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:24,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:28:24,043 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:24,044 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-10-20 00:28:24,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:24,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600417366] [2020-10-20 00:28:24,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:24,182 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:24,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:24,378 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:28:24,378 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:28:24,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:28:24,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:28:24 BoogieIcfgContainer [2020-10-20 00:28:24,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:28:24,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:28:24,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:28:24,472 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:28:24,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:23" (3/4) ... [2020-10-20 00:28:24,479 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:28:24,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:28:24,483 INFO L168 Benchmark]: Toolchain (without parser) took 3343.94 ms. Allocated memory was 42.5 MB in the beginning and 53.5 MB in the end (delta: 11.0 MB). Free memory was 22.7 MB in the beginning and 27.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:24,485 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 32.0 MB. Free memory was 12.1 MB in the beginning and 12.1 MB in the end (delta: 50.2 kB). Peak memory consumption was 50.2 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:24,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.84 ms. Allocated memory is still 42.5 MB. Free memory was 21.8 MB in the beginning and 18.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:24,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.13 ms. Allocated memory is still 42.5 MB. Free memory was 18.7 MB in the beginning and 14.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:24,487 INFO L168 Benchmark]: Boogie Preprocessor took 103.85 ms. Allocated memory is still 42.5 MB. Free memory was 14.8 MB in the beginning and 10.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:24,489 INFO L168 Benchmark]: RCFGBuilder took 1225.07 ms. Allocated memory was 42.5 MB in the beginning and 49.3 MB in the end (delta: 6.8 MB). Free memory was 10.9 MB in the beginning and 21.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:24,490 INFO L168 Benchmark]: TraceAbstraction took 1157.44 ms. Allocated memory was 49.3 MB in the beginning and 53.5 MB in the end (delta: 4.2 MB). Free memory was 20.6 MB in the beginning and 28.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:24,490 INFO L168 Benchmark]: Witness Printer took 8.30 ms. Allocated memory is still 53.5 MB. Free memory is still 27.7 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:28:24,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 32.0 MB. Free memory was 12.1 MB in the beginning and 12.1 MB in the end (delta: 50.2 kB). Peak memory consumption was 50.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 725.84 ms. Allocated memory is still 42.5 MB. Free memory was 21.8 MB in the beginning and 18.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 101.13 ms. Allocated memory is still 42.5 MB. Free memory was 18.7 MB in the beginning and 14.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 103.85 ms. Allocated memory is still 42.5 MB. Free memory was 14.8 MB in the beginning and 10.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1225.07 ms. Allocated memory was 42.5 MB in the beginning and 49.3 MB in the end (delta: 6.8 MB). Free memory was 10.9 MB in the beginning and 21.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1157.44 ms. Allocated memory was 49.3 MB in the beginning and 53.5 MB in the end (delta: 4.2 MB). Free memory was 20.6 MB in the beginning and 28.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. * Witness Printer took 8.30 ms. Allocated memory is still 53.5 MB. Free memory is still 27.7 MB. There was no memory consumed. 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 267, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 272. 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] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = -0.0; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L269] COND TRUE x > 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] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 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] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_0661a.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, 121 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 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=121occurred 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, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 00:28:27,176 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:28:27,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:27,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:27,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:27,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:27,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:27,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:27,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:27,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:27,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:27,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:27,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:27,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:28:27,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:27,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:27,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:27,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:27,322 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:27,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:27,325 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:27,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:27,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:27,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:27,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:27,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:27,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:28:27,328 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:28:27,328 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:27,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:27,329 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:27,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:27,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:27,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:27,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:27,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:27,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:27,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:27,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:27,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:27,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:28:27,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:28:27,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:27,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:27,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:28:27,334 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 -> b824bf566437e177299c8e8b970f777a8a8d288a [2020-10-20 00:28:27,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:27,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:27,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:27,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:27,709 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:27,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-20 00:28:27,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0b760cb/fcbb139eb45c47c7b31e3dca73097437/FLAG9737e3730 [2020-10-20 00:28:28,666 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:28,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-20 00:28:28,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0b760cb/fcbb139eb45c47c7b31e3dca73097437/FLAG9737e3730 [2020-10-20 00:28:28,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0b760cb/fcbb139eb45c47c7b31e3dca73097437 [2020-10-20 00:28:28,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:28,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:28,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:28,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:28,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:28,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:28" (1/1) ... [2020-10-20 00:28:28,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5899482f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:28, skipping insertion in model container [2020-10-20 00:28:28,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:28" (1/1) ... [2020-10-20 00:28:28,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:28,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:29,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:29,339 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:29,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:29,457 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:29,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29 WrapperNode [2020-10-20 00:28:29,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:29,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:29,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:29,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:29,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:29,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:29,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:29,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:29,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (1/1) ... [2020-10-20 00:28:29,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:29,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:29,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:29,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:29,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (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 00:28:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:28:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:28:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:28:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:28:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:28:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:28:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:16,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:16,114 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-20 00:29:16,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:16 BoogieIcfgContainer [2020-10-20 00:29:16,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:16,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:16,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:16,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:16,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:28" (1/3) ... [2020-10-20 00:29:16,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d68d2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:16, skipping insertion in model container [2020-10-20 00:29:16,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:29" (2/3) ... [2020-10-20 00:29:16,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d68d2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:16, skipping insertion in model container [2020-10-20 00:29:16,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:16" (3/3) ... [2020-10-20 00:29:16,136 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2020-10-20 00:29:16,151 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:16,162 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:16,178 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:16,212 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:16,213 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:16,213 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:16,213 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:16,213 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:16,214 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:16,214 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:16,214 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-10-20 00:29:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:29:16,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:16,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:16,237 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:16,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:16,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-10-20 00:29:16,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:16,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085858148] [2020-10-20 00:29:16,256 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 00:29:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:16,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:29:16,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:29:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:16,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:29:16,693 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 00:29:16,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085858148] [2020-10-20 00:29:16,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:16,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:29:16,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861076332] [2020-10-20 00:29:16,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:16,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:29:16,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:16,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:16,719 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-10-20 00:29:16,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:16,750 INFO L93 Difference]: Finished difference Result 238 states and 399 transitions. [2020-10-20 00:29:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:16,752 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-20 00:29:16,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:16,765 INFO L225 Difference]: With dead ends: 238 [2020-10-20 00:29:16,765 INFO L226 Difference]: Without dead ends: 116 [2020-10-20 00:29:16,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 00:29:16,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-20 00:29:16,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-20 00:29:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-20 00:29:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-10-20 00:29:16,816 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-10-20 00:29:16,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:16,817 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-10-20 00:29:16,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-10-20 00:29:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:29:16,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:16,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:17,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:29:17,033 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:17,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:17,034 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-10-20 00:29:17,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:17,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694737143] [2020-10-20 00:29:17,037 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 00:29:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:17,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:18,683 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:18,801 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:29:18,801 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:19,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:29:19,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:19 BoogieIcfgContainer [2020-10-20 00:29:19,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:19,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:19,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:19,134 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:19,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:16" (3/4) ... [2020-10-20 00:29:19,137 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:29:19,280 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:29:19,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:19,283 INFO L168 Benchmark]: Toolchain (without parser) took 50409.63 ms. Allocated memory was 43.5 MB in the beginning and 57.7 MB in the end (delta: 14.2 MB). Free memory was 23.4 MB in the beginning and 30.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:19,288 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 32.5 MB. Free memory is still 10.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:29:19,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.20 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 22.6 MB in the beginning and 16.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:19,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.91 ms. Allocated memory is still 44.0 MB. Free memory was 16.3 MB in the beginning and 12.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:19,297 INFO L168 Benchmark]: Boogie Preprocessor took 116.96 ms. Allocated memory was 44.0 MB in the beginning and 47.7 MB in the end (delta: 3.7 MB). Free memory was 12.2 MB in the beginning and 28.8 MB in the end (delta: -16.6 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:19,298 INFO L168 Benchmark]: RCFGBuilder took 46444.19 ms. Allocated memory was 47.7 MB in the beginning and 51.4 MB in the end (delta: 3.7 MB). Free memory was 28.8 MB in the beginning and 24.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:19,298 INFO L168 Benchmark]: TraceAbstraction took 3011.41 ms. Allocated memory was 51.4 MB in the beginning and 57.7 MB in the end (delta: 6.3 MB). Free memory was 23.9 MB in the beginning and 35.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:19,299 INFO L168 Benchmark]: Witness Printer took 147.18 ms. Allocated memory is still 57.7 MB. Free memory was 35.6 MB in the beginning and 30.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:19,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 32.5 MB. Free memory is still 10.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 577.20 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 22.6 MB in the beginning and 16.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 97.91 ms. Allocated memory is still 44.0 MB. Free memory was 16.3 MB in the beginning and 12.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 116.96 ms. Allocated memory was 44.0 MB in the beginning and 47.7 MB in the end (delta: 3.7 MB). Free memory was 12.2 MB in the beginning and 28.8 MB in the end (delta: -16.6 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 46444.19 ms. Allocated memory was 47.7 MB in the beginning and 51.4 MB in the end (delta: 3.7 MB). Free memory was 28.8 MB in the beginning and 24.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3011.41 ms. Allocated memory was 51.4 MB in the beginning and 57.7 MB in the end (delta: 6.3 MB). Free memory was 23.9 MB in the beginning and 35.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 14.3 GB. * Witness Printer took 147.18 ms. Allocated memory is still 57.7 MB. Free memory was 35.6 MB in the beginning and 30.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 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] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = -0.0; 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] [L269] COND TRUE x > 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] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 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] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_0661a.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, 121 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 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...