./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0685a.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_0685a.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 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 .............................................................................................................................................................................................................................................................................................................................. 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_0685a.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 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:29:36,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:29:36,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:29:36,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:29:36,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:29:36,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:29:36,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:29:36,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:29:36,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:29:36,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:29:36,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:29:36,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:29:36,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:29:36,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:29:36,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:29:36,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:29:36,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:29:36,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:29:36,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:29:36,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:29:36,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:29:36,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:29:36,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:29:36,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:29:36,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:29:36,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:29:36,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:29:36,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:29:36,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:29:36,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:29:36,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:29:36,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:29:36,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:29:36,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:29:36,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:29:36,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:29:36,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:29:36,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:29:36,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:29:36,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:29:36,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:29:36,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:29:36,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:29:36,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:29:36,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:29:36,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:29:36,266 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:29:36,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:29:36,266 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:29:36,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:29:36,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:29:36,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:29:36,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:29:36,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:29:36,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:29:36,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:29:36,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:29:36,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:29:36,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:29:36,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:29:36,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:29:36,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:29:36,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:29:36,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:36,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:29:36,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:29:36,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:29:36,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:29:36,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:29:36,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:29:36,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:29:36,273 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 -> 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 [2020-10-20 00:29:36,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:29:36,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:29:36,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:29:36,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:29:36,518 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:29:36,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-10-20 00:29:36,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc072ed7/af3745e49b294270b54fbc6b260f062b/FLAG11778024d [2020-10-20 00:29:37,092 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:29:37,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-10-20 00:29:37,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc072ed7/af3745e49b294270b54fbc6b260f062b/FLAG11778024d [2020-10-20 00:29:37,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc072ed7/af3745e49b294270b54fbc6b260f062b [2020-10-20 00:29:37,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:29:37,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:29:37,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:37,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:29:37,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:29:37,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:37" (1/1) ... [2020-10-20 00:29:37,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365a41b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:37, skipping insertion in model container [2020-10-20 00:29:37,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:37" (1/1) ... [2020-10-20 00:29:37,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:29:37,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:29:37,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:37,956 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:29:38,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:38,069 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:29:38,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38 WrapperNode [2020-10-20 00:29:38,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:38,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:38,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:29:38,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:29:38,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:38,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:29:38,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:29:38,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:29:38,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... [2020-10-20 00:29:38,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:29:38,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:29:38,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:29:38,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:29:38,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:29:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:29:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:29:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:29:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:29:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:29:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:29:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:29:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:29:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:39,225 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:39,226 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:29:39,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:39 BoogieIcfgContainer [2020-10-20 00:29:39,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:39,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:39,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:39,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:39,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:29:37" (1/3) ... [2020-10-20 00:29:39,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14545b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:39, skipping insertion in model container [2020-10-20 00:29:39,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:38" (2/3) ... [2020-10-20 00:29:39,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14545b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:39, skipping insertion in model container [2020-10-20 00:29:39,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:39" (3/3) ... [2020-10-20 00:29:39,238 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2020-10-20 00:29:39,251 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:39,260 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:39,274 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:39,301 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:39,301 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:39,301 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:39,301 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:39,302 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:39,302 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:39,302 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:39,302 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-20 00:29:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:29:39,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:39,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:39,329 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:39,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:39,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-20 00:29:39,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:29:39,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062404127] [2020-10-20 00:29:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:29:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:39,521 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 00:29:39,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062404127] [2020-10-20 00:29:39,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:39,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:29:39,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595260467] [2020-10-20 00:29:39,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:39,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:29:39,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:39,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:39,571 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-20 00:29:39,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:39,624 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-20 00:29:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:39,625 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:29:39,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:39,638 INFO L225 Difference]: With dead ends: 225 [2020-10-20 00:29:39,638 INFO L226 Difference]: Without dead ends: 110 [2020-10-20 00:29:39,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:39,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-20 00:29:39,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-20 00:29:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-20 00:29:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-20 00:29:39,682 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-20 00:29:39,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:39,682 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-20 00:29:39,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:39,683 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-20 00:29:39,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:29:39,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:39,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:39,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:29:39,684 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:39,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:39,684 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-20 00:29:39,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:29:39,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858647083] [2020-10-20 00:29:39,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:29:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:39,766 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:39,881 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:39,952 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:29:39,952 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:39,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:29:40,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:40 BoogieIcfgContainer [2020-10-20 00:29:40,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:40,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:40,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:40,035 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:40,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:39" (3/4) ... [2020-10-20 00:29:40,040 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:29:40,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:40,043 INFO L168 Benchmark]: Toolchain (without parser) took 2534.23 ms. Allocated memory was 40.4 MB in the beginning and 48.8 MB in the end (delta: 8.4 MB). Free memory was 18.1 MB in the beginning and 24.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:40,044 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.1 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:40,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.56 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 17.2 MB in the beginning and 12.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:40,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.21 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 12.9 MB in the beginning and 26.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:40,048 INFO L168 Benchmark]: Boogie Preprocessor took 95.47 ms. Allocated memory is still 43.0 MB. Free memory was 26.8 MB in the beginning and 23.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:40,049 INFO L168 Benchmark]: RCFGBuilder took 964.70 ms. Allocated memory was 43.0 MB in the beginning and 46.1 MB in the end (delta: 3.1 MB). Free memory was 23.0 MB in the beginning and 24.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:40,050 INFO L168 Benchmark]: TraceAbstraction took 804.07 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 24.2 MB in the beginning and 24.6 MB in the end (delta: -408.8 kB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:40,051 INFO L168 Benchmark]: Witness Printer took 5.95 ms. Allocated memory is still 48.8 MB. Free memory was 24.6 MB in the beginning and 24.2 MB in the end (delta: 390.5 kB). Peak memory consumption was 390.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:40,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.1 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 555.56 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 17.2 MB in the beginning and 12.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 97.21 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 12.9 MB in the beginning and 26.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 95.47 ms. Allocated memory is still 43.0 MB. Free memory was 26.8 MB in the beginning and 23.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 964.70 ms. Allocated memory was 43.0 MB in the beginning and 46.1 MB in the end (delta: 3.1 MB). Free memory was 23.0 MB in the beginning and 24.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 804.07 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 24.2 MB in the beginning and 24.6 MB in the end (delta: -408.8 kB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. * Witness Printer took 5.95 ms. Allocated memory is still 48.8 MB. Free memory was 24.6 MB in the beginning and 24.2 MB in the end (delta: 390.5 kB). Peak memory consumption was 390.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = -1.0 / 0.0; [L254] double y = 1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != 3 * pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0685a.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:29:42,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:29:42,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:29:42,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-20 00:29:42,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:29:42,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:29:42,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:29:42,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:29:42,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:29:42,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:29:42,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:29:42,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:29:42,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:29:42,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:29:42,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:29:42,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:29:42,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-20 00:29:42,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:29:42,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:29:42,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:29:42,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:29:42,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:29:42,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:29:42,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:29:42,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:29:42,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:29:42,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:29:42,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:29:42,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:29:42,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:29:42,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:29:42,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:29:42,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:29:42,355 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:29:42,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:29:42,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:29:42,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:29:42,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:29:42,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:29:42,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:29:42,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:29:42,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:29:42,357 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:29:42,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:29:42,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:29:42,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:29:42,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:29:42,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:29:42,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:29:42,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:29:42,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:29:42,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:42,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:29:42,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:29:42,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:29:42,359 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:29:42,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:29:42,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:29:42,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:29:42,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:29:42,360 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 -> 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 [2020-10-20 00:29:42,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:29:42,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:29:42,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:29:42,595 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:29:42,599 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:29:42,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-10-20 00:29:42,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8d96b4b/0d8ed3b1a56d489c9e2b47c4ad1c3770/FLAGff7eeee6a [2020-10-20 00:29:43,212 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:29:43,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-10-20 00:29:43,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8d96b4b/0d8ed3b1a56d489c9e2b47c4ad1c3770/FLAGff7eeee6a [2020-10-20 00:29:43,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8d96b4b/0d8ed3b1a56d489c9e2b47c4ad1c3770 [2020-10-20 00:29:43,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:29:43,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:29:43,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:43,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:29:43,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:29:43,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:43" (1/1) ... [2020-10-20 00:29:43,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@829a7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:43, skipping insertion in model container [2020-10-20 00:29:43,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:43" (1/1) ... [2020-10-20 00:29:43,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:29:43,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:29:43,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:43,924 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:29:44,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:44,064 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:29:44,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44 WrapperNode [2020-10-20 00:29:44,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:44,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:44,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:29:44,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:29:44,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:44,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:29:44,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:29:44,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:29:44,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... [2020-10-20 00:29:44,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:29:44,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:29:44,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:29:44,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:29:44,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:29:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:29:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:29:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:29:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:29:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:29:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:29:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:29:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:29:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:30:24,586 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:30:24,587 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:30:24,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:24 BoogieIcfgContainer [2020-10-20 00:30:24,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:30:24,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:30:24,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:30:24,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:30:24,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:29:43" (1/3) ... [2020-10-20 00:30:24,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45964f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:30:24, skipping insertion in model container [2020-10-20 00:30:24,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:44" (2/3) ... [2020-10-20 00:30:24,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45964f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:30:24, skipping insertion in model container [2020-10-20 00:30:24,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:24" (3/3) ... [2020-10-20 00:30:24,601 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2020-10-20 00:30:24,612 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:30:24,620 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:30:24,632 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:30:24,655 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:30:24,655 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:30:24,656 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:30:24,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:30:24,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:30:24,656 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:30:24,656 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:30:24,656 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:30:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-20 00:30:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:30:24,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:30:24,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:30:24,684 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:30:24,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:30:24,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-20 00:30:24,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:30:24,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539153173] [2020-10-20 00:30:24,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:30:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:30:25,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:30:25,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:30:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:30:25,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:30:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:30:25,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539153173] [2020-10-20 00:30:25,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:30:25,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:30:25,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124613920] [2020-10-20 00:30:25,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:30:25,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:30:25,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:30:25,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:30:25,281 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-20 00:30:25,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:30:25,318 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-20 00:30:25,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:30:25,320 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:30:25,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:30:25,335 INFO L225 Difference]: With dead ends: 225 [2020-10-20 00:30:25,336 INFO L226 Difference]: Without dead ends: 110 [2020-10-20 00:30:25,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:30:25,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-20 00:30:25,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-20 00:30:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-20 00:30:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-20 00:30:25,394 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-20 00:30:25,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:30:25,395 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-20 00:30:25,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:30:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-20 00:30:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:30:25,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:30:25,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:30:25,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:30:25,611 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:30:25,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:30:25,611 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-20 00:30:25,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:30:25,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981775275] [2020-10-20 00:30:25,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:30:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:30:26,777 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:30:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:30:27,675 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:30:27,813 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:30:27,813 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:30:28,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:30:28,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:30:28 BoogieIcfgContainer [2020-10-20 00:30:28,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:30:28,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:30:28,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:30:28,097 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:30:28,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:24" (3/4) ... [2020-10-20 00:30:28,103 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:30:28,234 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:30:28,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:30:28,237 INFO L168 Benchmark]: Toolchain (without parser) took 44689.28 ms. Allocated memory was 34.6 MB in the beginning and 53.0 MB in the end (delta: 18.4 MB). Free memory was 15.9 MB in the beginning and 17.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:28,238 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:30:28,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.53 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 14.9 MB in the beginning and 16.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:28,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.57 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 16.4 MB in the beginning and 24.2 MB in the end (delta: -7.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:28,246 INFO L168 Benchmark]: Boogie Preprocessor took 84.60 ms. Allocated memory is still 44.0 MB. Free memory was 24.2 MB in the beginning and 20.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:28,247 INFO L168 Benchmark]: RCFGBuilder took 40333.45 ms. Allocated memory was 44.0 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Free memory was 20.0 MB in the beginning and 24.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:28,249 INFO L168 Benchmark]: TraceAbstraction took 3504.79 ms. Allocated memory was 49.3 MB in the beginning and 53.0 MB in the end (delta: 3.7 MB). Free memory was 23.3 MB in the beginning and 22.5 MB in the end (delta: 857.7 kB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:28,250 INFO L168 Benchmark]: Witness Printer took 137.42 ms. Allocated memory is still 53.0 MB. Free memory was 22.5 MB in the beginning and 17.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:28,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 512.53 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 14.9 MB in the beginning and 16.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 103.57 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 16.4 MB in the beginning and 24.2 MB in the end (delta: -7.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 84.60 ms. Allocated memory is still 44.0 MB. Free memory was 24.2 MB in the beginning and 20.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 40333.45 ms. Allocated memory was 44.0 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Free memory was 20.0 MB in the beginning and 24.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3504.79 ms. Allocated memory was 49.3 MB in the beginning and 53.0 MB in the end (delta: 3.7 MB). Free memory was 23.3 MB in the beginning and 22.5 MB in the end (delta: 857.7 kB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. * Witness Printer took 137.42 ms. Allocated memory is still 53.0 MB. Free memory was 22.5 MB in the beginning and 17.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = -1.0 / 0.0; [L254] double y = 1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != 3 * pi_o_4 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0685a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...