./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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_0684a.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 ce41e341839c3e0f842e110b5c525e7dc81a9ade .................................................................................................................................................................................................................................................................................................................................................................................................. 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_1.5.800.v20200727-1323.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_0684a.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 ce41e341839c3e0f842e110b5c525e7dc81a9ade ...................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-5485861 [2020-10-25 21:49:41,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:49:41,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:49:41,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:49:41,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:49:41,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:49:41,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:49:41,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:49:41,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:49:41,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:49:41,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:49:41,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:49:41,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:49:41,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:49:41,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:49:41,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:49:41,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:49:41,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:49:41,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:49:41,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:49:41,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:49:41,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:49:41,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:49:41,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:49:41,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:49:41,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:49:41,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:49:41,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:49:41,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:49:41,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:49:41,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:49:41,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:49:41,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:49:41,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:49:41,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:49:41,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:49:41,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:49:41,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:49:41,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:49:41,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:49:41,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:49:41,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:49:41,331 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:49:41,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:49:41,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:49:41,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:49:41,334 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:49:41,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:49:41,334 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:49:41,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:49:41,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:49:41,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:49:41,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:49:41,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:49:41,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:49:41,336 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:49:41,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:49:41,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:49:41,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:49:41,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:49:41,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:49:41,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:49:41,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:49:41,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:41,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:49:41,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:49:41,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:49:41,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:49:41,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:49:41,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:49:41,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:49:41,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce41e341839c3e0f842e110b5c525e7dc81a9ade [2020-10-25 21:49:41,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:49:41,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:49:41,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:49:41,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:49:41,786 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:49:41,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-10-25 21:49:41,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1faf08b71/c7251dc05aed4a3f9204059b9b7a59f9/FLAGe30919289 [2020-10-25 21:49:42,453 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:49:42,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-10-25 21:49:42,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1faf08b71/c7251dc05aed4a3f9204059b9b7a59f9/FLAGe30919289 [2020-10-25 21:49:42,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1faf08b71/c7251dc05aed4a3f9204059b9b7a59f9 [2020-10-25 21:49:42,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:49:42,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:49:42,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:42,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:49:42,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:49:42,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:42" (1/1) ... [2020-10-25 21:49:42,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9d5c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:42, skipping insertion in model container [2020-10-25 21:49:42,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:42" (1/1) ... [2020-10-25 21:49:42,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:49:42,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:49:43,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:43,176 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:49:43,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:43,272 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:49:43,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43 WrapperNode [2020-10-25 21:49:43,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:43,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:43,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:49:43,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:49:43,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:43,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:49:43,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:49:43,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:49:43,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:49:43,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:49:43,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:49:43,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:49:43,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (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 [2020-10-25 21:49:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:49:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:49:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:49:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:49:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:49:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:49:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:49:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:49:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-25 21:49:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:49:44,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:49:44,535 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-25 21:49:44,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:44 BoogieIcfgContainer [2020-10-25 21:49:44,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:49:44,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:49:44,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:49:44,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:49:44,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:49:42" (1/3) ... [2020-10-25 21:49:44,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a51cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:44, skipping insertion in model container [2020-10-25 21:49:44,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (2/3) ... [2020-10-25 21:49:44,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a51cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:44, skipping insertion in model container [2020-10-25 21:49:44,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:44" (3/3) ... [2020-10-25 21:49:44,545 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2020-10-25 21:49:44,557 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:49:44,562 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:49:44,576 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:49:44,603 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:49:44,603 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:49:44,603 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:49:44,604 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:49:44,604 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:49:44,604 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:49:44,604 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:49:44,604 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:49:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-25 21:49:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-25 21:49:44,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:44,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:44,628 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:44,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:44,634 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-10-25 21:49:44,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:44,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181261387] [2020-10-25 21:49:44,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:44,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181261387] [2020-10-25 21:49:44,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:44,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:49:44,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499363227] [2020-10-25 21:49:44,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:49:44,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:49:44,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:49:44,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:44,852 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-25 21:49:44,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:44,888 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-10-25 21:49:44,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:49:44,890 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-25 21:49:44,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:44,903 INFO L225 Difference]: With dead ends: 247 [2020-10-25 21:49:44,903 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:49:44,907 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 [2020-10-25 21:49:44,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:49:44,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:49:44,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:49:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-10-25 21:49:44,957 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-10-25 21:49:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:44,957 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-10-25 21:49:44,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:49:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-10-25 21:49:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 21:49:44,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:44,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:44,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:49:44,959 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:44,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:44,960 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-10-25 21:49:44,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:44,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175012040] [2020-10-25 21:49:44,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:45,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175012040] [2020-10-25 21:49:45,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:45,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 21:49:45,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955063699] [2020-10-25 21:49:45,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 21:49:45,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:49:45,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 21:49:45,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:49:45,101 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-10-25 21:49:45,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:45,133 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-10-25 21:49:45,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 21:49:45,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-25 21:49:45,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:45,135 INFO L225 Difference]: With dead ends: 229 [2020-10-25 21:49:45,136 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:49:45,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:49:45,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:49:45,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:49:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:49:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-10-25 21:49:45,149 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-10-25 21:49:45,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:45,149 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-10-25 21:49:45,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 21:49:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-10-25 21:49:45,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 21:49:45,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:45,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:45,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:49:45,151 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:45,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:45,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-10-25 21:49:45,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:45,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211035530] [2020-10-25 21:49:45,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:45,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:45,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:45,565 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:49:45,567 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:49:45,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 21:49:45,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:49:45 BoogieIcfgContainer [2020-10-25 21:49:45,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:49:45,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:49:45,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:49:45,682 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:49:45,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:44" (3/4) ... [2020-10-25 21:49:45,687 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:49:45,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:49:45,694 INFO L168 Benchmark]: Toolchain (without parser) took 2925.22 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 28.9 MB in the beginning and 57.0 MB in the end (delta: -28.2 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:45,695 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 34.4 MB in the end (delta: 39.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:45,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.66 ms. Allocated memory is still 52.4 MB. Free memory was 28.2 MB in the beginning and 24.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:45,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.29 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 24.2 MB in the beginning and 46.2 MB in the end (delta: -22.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:45,703 INFO L168 Benchmark]: Boogie Preprocessor took 123.37 ms. Allocated memory is still 65.0 MB. Free memory was 46.2 MB in the beginning and 42.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:45,705 INFO L168 Benchmark]: RCFGBuilder took 1037.39 ms. Allocated memory is still 65.0 MB. Free memory was 42.5 MB in the beginning and 36.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:45,707 INFO L168 Benchmark]: TraceAbstraction took 1141.37 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 57.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:45,708 INFO L168 Benchmark]: Witness Printer took 6.44 ms. Allocated memory is still 79.7 MB. Free memory was 57.6 MB in the beginning and 57.0 MB in the end (delta: 604.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:45,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 34.4 MB in the end (delta: 39.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 497.66 ms. Allocated memory is still 52.4 MB. Free memory was 28.2 MB in the beginning and 24.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.29 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 24.2 MB in the beginning and 46.2 MB in the end (delta: -22.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.37 ms. Allocated memory is still 65.0 MB. Free memory was 46.2 MB in the beginning and 42.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1037.39 ms. Allocated memory is still 65.0 MB. Free memory was 42.5 MB in the beginning and 36.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1141.37 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 57.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.44 ms. Allocated memory is still 79.7 MB. Free memory was 57.6 MB in the beginning and 57.0 MB in the end (delta: 604.9 kB). There was no memory consumed. Max. memory is 16.1 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 287. 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] [L278] double x = __VERIFIER_nondet_double(); [L279] double y = 1.0 / 0.0; [L262] __int32_t hx; 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] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); 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] [L282] isfinite_double(x) && isinf_double(y) [L248] __int32_t hx, lx; 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] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); 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] [L282] isfinite_double(x) && isinf_double(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] [L282] COND TRUE isfinite_double(x) && isinf_double(y) [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] [L284] double res = __ieee754_atan2(y, x); [L287] COND TRUE res != pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0684a.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, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-25 21:49:48,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:49:48,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:49:48,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:49:48,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:49:48,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:49:48,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:49:48,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:49:48,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:49:48,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:49:48,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:49:48,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:49:48,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:49:48,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:49:48,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:49:48,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:49:48,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:49:48,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:49:48,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:49:48,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:49:48,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:49:48,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:49:48,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:49:48,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:49:48,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:49:48,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:49:48,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:49:48,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:49:48,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:49:48,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:49:48,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:49:48,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:49:48,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:49:48,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:49:48,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:49:48,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:49:48,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:49:48,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:49:48,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:49:48,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:49:48,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:49:48,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:49:48,411 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:49:48,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:49:48,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:49:48,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:49:48,416 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:49:48,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:49:48,416 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:49:48,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:49:48,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:49:48,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:49:48,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:49:48,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:49:48,418 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:49:48,418 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:49:48,419 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:49:48,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:49:48,419 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:49:48,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:49:48,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:49:48,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:49:48,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:49:48,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:49:48,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:48,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:49:48,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:49:48,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:49:48,421 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:49:48,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:49:48,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:49:48,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:49:48,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:49:48,422 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce41e341839c3e0f842e110b5c525e7dc81a9ade [2020-10-25 21:49:48,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:49:48,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:49:48,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:49:48,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:49:48,893 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:49:48,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-10-25 21:49:48,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12259492a/9d7b79b9658e4e8ab3f3b7eb508d6e00/FLAG7a7581f9e [2020-10-25 21:49:49,583 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:49:49,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-10-25 21:49:49,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12259492a/9d7b79b9658e4e8ab3f3b7eb508d6e00/FLAG7a7581f9e [2020-10-25 21:49:49,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12259492a/9d7b79b9658e4e8ab3f3b7eb508d6e00 [2020-10-25 21:49:49,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:49:49,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:49:49,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:49,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:49:49,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:49:49,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:49" (1/1) ... [2020-10-25 21:49:49,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c339536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:49, skipping insertion in model container [2020-10-25 21:49:49,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:49" (1/1) ... [2020-10-25 21:49:49,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:49:49,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:49:50,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:50,380 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:49:50,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:50,577 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:49:50,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50 WrapperNode [2020-10-25 21:49:50,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:50,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:50,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:49:50,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:49:50,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:50,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:49:50,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:49:50,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:49:50,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:49:50,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:49:50,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:49:50,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:49:50,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (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 [2020-10-25 21:49:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:49:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:49:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:49:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:49:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-25 21:49:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:49:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:49:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:49:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:49:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:50:29,734 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:50:29,735 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-25 21:50:29,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:29 BoogieIcfgContainer [2020-10-25 21:50:29,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:50:29,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:50:29,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:50:29,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:50:29,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:49:49" (1/3) ... [2020-10-25 21:50:29,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277c8e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:50:29, skipping insertion in model container [2020-10-25 21:50:29,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50" (2/3) ... [2020-10-25 21:50:29,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277c8e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:50:29, skipping insertion in model container [2020-10-25 21:50:29,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:29" (3/3) ... [2020-10-25 21:50:29,747 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2020-10-25 21:50:29,759 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:50:29,764 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:50:29,778 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:50:29,806 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:50:29,807 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:50:29,807 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:50:29,807 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:50:29,808 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:50:29,808 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:50:29,808 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:50:29,808 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:50:29,825 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-25 21:50:29,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-25 21:50:29,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:29,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:29,833 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:29,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:29,840 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-10-25 21:50:29,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:29,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299051367] [2020-10-25 21:50:29,856 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 [2020-10-25 21:50:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:50:30,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:50:30,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:50:30,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:30,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:50:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:30,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299051367] [2020-10-25 21:50:30,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:50:30,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:50:30,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102712443] [2020-10-25 21:50:30,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:50:30,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:50:30,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:50:30,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:50:30,350 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-25 21:50:30,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:50:30,386 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-10-25 21:50:30,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:50:30,388 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-25 21:50:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:50:30,400 INFO L225 Difference]: With dead ends: 247 [2020-10-25 21:50:30,400 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:50:30,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:50:30,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:50:30,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:50:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:50:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-10-25 21:50:30,454 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-10-25 21:50:30,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:50:30,454 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-10-25 21:50:30,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:50:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-10-25 21:50:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 21:50:30,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:30,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:30,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:50:30,670 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:30,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:30,672 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-10-25 21:50:30,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:30,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231272794] [2020-10-25 21:50:30,674 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 [2020-10-25 21:50:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:50:31,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 21:50:31,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:50:31,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:31,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:50:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:31,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231272794] [2020-10-25 21:50:31,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:50:31,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-25 21:50:31,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596136696] [2020-10-25 21:50:31,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 21:50:31,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:50:31,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 21:50:31,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:50:31,171 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-10-25 21:50:31,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:50:31,254 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-10-25 21:50:31,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 21:50:31,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-25 21:50:31,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:50:31,260 INFO L225 Difference]: With dead ends: 229 [2020-10-25 21:50:31,260 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:50:31,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:50:31,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:50:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:50:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:50:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-10-25 21:50:31,285 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-10-25 21:50:31,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:50:31,285 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-10-25 21:50:31,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 21:50:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-10-25 21:50:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 21:50:31,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:31,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:31,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:50:31,502 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:31,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:31,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-10-25 21:50:31,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:31,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791016840] [2020-10-25 21:50:31,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-25 21:50:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:50:32,457 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:50:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:50:33,302 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:50:33,451 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 21:50:33,452 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:50:33,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 21:50:33,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:50:33 BoogieIcfgContainer [2020-10-25 21:50:33,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:50:33,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:50:33,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:50:33,741 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:50:33,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:29" (3/4) ... [2020-10-25 21:50:33,744 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 21:50:33,868 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:50:33,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:50:33,870 INFO L168 Benchmark]: Toolchain (without parser) took 43956.26 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.1 MB in the beginning and 51.1 MB in the end (delta: -18.0 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:33,871 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 41.9 MB. Free memory was 21.4 MB in the beginning and 21.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:50:33,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.27 ms. Allocated memory is still 56.6 MB. Free memory was 32.4 MB in the beginning and 28.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:33,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.71 ms. Allocated memory is still 56.6 MB. Free memory was 28.9 MB in the beginning and 38.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:33,873 INFO L168 Benchmark]: Boogie Preprocessor took 127.15 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 34.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:33,874 INFO L168 Benchmark]: RCFGBuilder took 38882.37 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 34.6 MB in the beginning and 51.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:33,874 INFO L168 Benchmark]: TraceAbstraction took 4001.64 ms. Allocated memory is still 75.5 MB. Free memory was 51.0 MB in the beginning and 27.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:33,875 INFO L168 Benchmark]: Witness Printer took 127.16 ms. Allocated memory is still 75.5 MB. Free memory was 26.5 MB in the beginning and 51.1 MB in the end (delta: -24.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:33,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 41.9 MB. Free memory was 21.4 MB in the beginning and 21.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 659.27 ms. Allocated memory is still 56.6 MB. Free memory was 32.4 MB in the beginning and 28.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 144.71 ms. Allocated memory is still 56.6 MB. Free memory was 28.9 MB in the beginning and 38.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 127.15 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 34.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 38882.37 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 34.6 MB in the beginning and 51.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4001.64 ms. Allocated memory is still 75.5 MB. Free memory was 51.0 MB in the beginning and 27.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * Witness Printer took 127.16 ms. Allocated memory is still 75.5 MB. Free memory was 26.5 MB in the beginning and 51.1 MB in the end (delta: -24.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 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={6:0}, 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] [L278] double x = __VERIFIER_nondet_double(); [L279] double y = 1.0 / 0.0; [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, 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] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, 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] [L282] isfinite_double(x) && isinf_double(y) [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, 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] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, 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] [L282] isfinite_double(x) && isinf_double(y) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, 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] [L282] COND TRUE isfinite_double(x) && isinf_double(y) [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={6:0}, 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={6:0}, 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={6:0}, 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={6:0}, 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] [L284] double res = __ieee754_atan2(y, x); [L287] COND TRUE res != pi_o_2 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, 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_0684a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, 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, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 280 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...