./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0660b.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 8d94564205655c2e8fe6741648a4c146e2f9a3c8 ................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0660b.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 8d94564205655c2e8fe6741648a4c146e2f9a3c8 ............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:28:02,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:28:02,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:28:02,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:28:02,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:28:02,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:28:02,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:28:02,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:28:02,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:28:02,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:28:02,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:28:02,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:28:02,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:28:02,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:28:02,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:28:02,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:28:02,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:28:02,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:28:02,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:28:02,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:28:02,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:28:02,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:28:02,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:28:02,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:28:02,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:28:02,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:28:02,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:28:02,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:28:02,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:28:02,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:28:02,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:02,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:02,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:02,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:02,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:02,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:02,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:02,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:02,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:02,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:02,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:02,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:28:02,680 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:02,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:02,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:02,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:02,686 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:02,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:02,687 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:02,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:28:02,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:02,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:02,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:02,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:02,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:02,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:02,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:02,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:02,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:02,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:02,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:02,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:02,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:02,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:02,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:02,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:02,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:02,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:28:02,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:28:02,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:02,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:02,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-10-20 00:28:03,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:03,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:03,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:03,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:03,089 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:03,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-20 00:28:03,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9aa8583a/31e04e567d8f46a48a344778b87f3a91/FLAGb156ccec3 [2020-10-20 00:28:03,924 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:03,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-20 00:28:03,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9aa8583a/31e04e567d8f46a48a344778b87f3a91/FLAGb156ccec3 [2020-10-20 00:28:04,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9aa8583a/31e04e567d8f46a48a344778b87f3a91 [2020-10-20 00:28:04,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:04,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:04,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:04,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:04,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:04,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:04,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f997fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04, skipping insertion in model container [2020-10-20 00:28:04,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:04,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:04,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:04,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:04,800 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:04,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:04,908 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:04,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04 WrapperNode [2020-10-20 00:28:04,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:04,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:04,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:04,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:04,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:04,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:05,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:05,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:05,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:05,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:05,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:05,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:05,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:05,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:05,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:05,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:05,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... [2020-10-20 00:28:05,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:05,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:05,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:05,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:05,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:28:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:28:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:28:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:28:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:28:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:28:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:28:06,756 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:28:06,758 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:28:06,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:06 BoogieIcfgContainer [2020-10-20 00:28:06,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:28:06,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:28:06,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:28:06,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:28:06,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:04" (1/3) ... [2020-10-20 00:28:06,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec9e5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:06, skipping insertion in model container [2020-10-20 00:28:06,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:04" (2/3) ... [2020-10-20 00:28:06,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec9e5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:06, skipping insertion in model container [2020-10-20 00:28:06,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:06" (3/3) ... [2020-10-20 00:28:06,781 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-10-20 00:28:06,799 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:28:06,811 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:28:06,828 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:28:06,868 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:28:06,868 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:28:06,868 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:28:06,869 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:28:06,869 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:28:06,869 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:28:06,869 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:28:06,869 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:28:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-20 00:28:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:28:06,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:06,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:06,908 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:06,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:06,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-20 00:28:06,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:06,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169742730] [2020-10-20 00:28:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:28:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:28:07,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169742730] [2020-10-20 00:28:07,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:28:07,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:28:07,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842313247] [2020-10-20 00:28:07,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:28:07,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:28:07,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:28:07,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:28:07,294 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-20 00:28:07,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:28:07,356 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-20 00:28:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:28:07,359 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:28:07,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:28:07,381 INFO L225 Difference]: With dead ends: 228 [2020-10-20 00:28:07,382 INFO L226 Difference]: Without dead ends: 111 [2020-10-20 00:28:07,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:28:07,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-20 00:28:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-20 00:28:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-20 00:28:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-20 00:28:07,470 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-20 00:28:07,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:28:07,472 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-20 00:28:07,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:28:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-20 00:28:07,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:28:07,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:07,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:07,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:28:07,477 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:07,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:07,478 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-20 00:28:07,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:07,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431602562] [2020-10-20 00:28:07,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:07,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:07,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:07,857 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:28:07,858 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:28:07,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:28:07,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:28:07 BoogieIcfgContainer [2020-10-20 00:28:07,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:28:07,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:28:07,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:28:07,992 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:28:07,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:06" (3/4) ... [2020-10-20 00:28:08,005 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:28:08,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:28:08,012 INFO L168 Benchmark]: Toolchain (without parser) took 3817.04 ms. Allocated memory was 36.7 MB in the beginning and 53.0 MB in the end (delta: 16.3 MB). Free memory was 16.0 MB in the beginning and 24.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:08,015 INFO L168 Benchmark]: CDTParser took 2.09 ms. Allocated memory is still 34.1 MB. Free memory was 9.0 MB in the beginning and 8.9 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:08,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.46 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 15.2 MB in the beginning and 21.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:08,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.24 ms. Allocated memory is still 45.1 MB. Free memory was 21.0 MB in the beginning and 17.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:08,022 INFO L168 Benchmark]: Boogie Preprocessor took 138.41 ms. Allocated memory was 45.1 MB in the beginning and 46.1 MB in the end (delta: 1.0 MB). Free memory was 17.2 MB in the beginning and 25.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:08,024 INFO L168 Benchmark]: RCFGBuilder took 1595.86 ms. Allocated memory was 46.1 MB in the beginning and 49.8 MB in the end (delta: 3.7 MB). Free memory was 25.1 MB in the beginning and 26.1 MB in the end (delta: -911.7 kB). Peak memory consumption was 18.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:08,029 INFO L168 Benchmark]: TraceAbstraction took 1226.06 ms. Allocated memory was 49.8 MB in the beginning and 53.0 MB in the end (delta: 3.1 MB). Free memory was 25.7 MB in the beginning and 25.7 MB in the end (delta: 12.8 kB). Peak memory consumption was 20.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:08,042 INFO L168 Benchmark]: Witness Printer took 13.64 ms. Allocated memory is still 53.0 MB. Free memory was 25.3 MB in the beginning and 24.9 MB in the end (delta: 405.5 kB). Peak memory consumption was 405.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:08,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.09 ms. Allocated memory is still 34.1 MB. Free memory was 9.0 MB in the beginning and 8.9 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 709.46 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 15.2 MB in the beginning and 21.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 117.24 ms. Allocated memory is still 45.1 MB. Free memory was 21.0 MB in the beginning and 17.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 138.41 ms. Allocated memory was 45.1 MB in the beginning and 46.1 MB in the end (delta: 1.0 MB). Free memory was 17.2 MB in the beginning and 25.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1595.86 ms. Allocated memory was 46.1 MB in the beginning and 49.8 MB in the end (delta: 3.7 MB). Free memory was 25.1 MB in the beginning and 26.1 MB in the end (delta: -911.7 kB). Peak memory consumption was 18.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1226.06 ms. Allocated memory was 49.8 MB in the beginning and 53.0 MB in the end (delta: 3.1 MB). Free memory was 25.7 MB in the beginning and 25.7 MB in the end (delta: 12.8 kB). Peak memory consumption was 20.3 MB. Max. memory is 14.3 GB. * Witness Printer took 13.64 ms. Allocated memory is still 53.0 MB. Free memory was 25.3 MB in the beginning and 24.9 MB in the end (delta: 405.5 kB). Peak memory consumption was 405.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 260. 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] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] COND TRUE x < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi 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_0660b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:28:11,519 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:28:11,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:11,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:11,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:11,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:11,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:11,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:11,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:11,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:11,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:11,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:11,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:11,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:28:11,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:11,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:11,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:11,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:11,826 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:11,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:11,827 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:11,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:11,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:11,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:11,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:11,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:11,829 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:28:11,829 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:28:11,829 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:11,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:11,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:11,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:11,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:11,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:11,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:11,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:11,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:11,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:11,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:11,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:11,833 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:28:11,833 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:28:11,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:11,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:11,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:28:11,834 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-10-20 00:28:12,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:12,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:12,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:12,201 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:12,202 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:12,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-20 00:28:12,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cebcfc4cf/dd203b2ece864b56a4ca846be32ea426/FLAG334042630 [2020-10-20 00:28:13,259 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:13,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-20 00:28:13,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cebcfc4cf/dd203b2ece864b56a4ca846be32ea426/FLAG334042630 [2020-10-20 00:28:13,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cebcfc4cf/dd203b2ece864b56a4ca846be32ea426 [2020-10-20 00:28:13,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:13,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:13,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:13,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:13,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:13,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:13" (1/1) ... [2020-10-20 00:28:13,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed4f48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:13, skipping insertion in model container [2020-10-20 00:28:13,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:13" (1/1) ... [2020-10-20 00:28:13,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:13,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:14,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:14,231 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:14,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:14,411 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:14,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14 WrapperNode [2020-10-20 00:28:14,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:14,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:14,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:14,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:14,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:14,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:14,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:14,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:14,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... [2020-10-20 00:28:14,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:14,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:14,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:14,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:14,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:28:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:28:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:28:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:28:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:28:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:28:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:28:56,720 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:28:56,721 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:28:56,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:56 BoogieIcfgContainer [2020-10-20 00:28:56,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:28:56,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:28:56,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:28:56,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:28:56,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:13" (1/3) ... [2020-10-20 00:28:56,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e974a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:56, skipping insertion in model container [2020-10-20 00:28:56,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:14" (2/3) ... [2020-10-20 00:28:56,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e974a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:56, skipping insertion in model container [2020-10-20 00:28:56,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:56" (3/3) ... [2020-10-20 00:28:56,733 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-10-20 00:28:56,745 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:28:56,754 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:28:56,765 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:28:56,794 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:28:56,794 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:28:56,794 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:28:56,794 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:28:56,794 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:28:56,795 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:28:56,795 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:28:56,795 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:28:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-20 00:28:56,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:28:56,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:56,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:56,820 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:56,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:56,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-20 00:28:56,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:28:56,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884104368] [2020-10-20 00:28:56,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:28:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:28:57,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:28:57,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:28:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:28:57,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:28:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:28:57,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884104368] [2020-10-20 00:28:57,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:28:57,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:28:57,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052588090] [2020-10-20 00:28:57,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:28:57,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:28:57,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:28:57,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:28:57,374 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-20 00:28:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:28:57,406 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-20 00:28:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:28:57,408 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:28:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:28:57,422 INFO L225 Difference]: With dead ends: 228 [2020-10-20 00:28:57,423 INFO L226 Difference]: Without dead ends: 111 [2020-10-20 00:28:57,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:28:57,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-20 00:28:57,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-20 00:28:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-20 00:28:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-20 00:28:57,476 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-20 00:28:57,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:28:57,477 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-20 00:28:57,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:28:57,477 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-20 00:28:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:28:57,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:57,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:57,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:28:57,694 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:57,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:57,696 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-20 00:28:57,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:28:57,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101145836] [2020-10-20 00:28:57,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:28:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:58,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:59,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:59,447 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:28:59,448 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:28:59,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:28:59,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:28:59 BoogieIcfgContainer [2020-10-20 00:28:59,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:28:59,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:28:59,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:28:59,742 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:28:59,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:56" (3/4) ... [2020-10-20 00:28:59,745 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:28:59,826 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:28:59,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:28:59,830 INFO L168 Benchmark]: Toolchain (without parser) took 46301.99 ms. Allocated memory was 38.3 MB in the beginning and 57.1 MB in the end (delta: 18.9 MB). Free memory was 12.5 MB in the beginning and 10.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:59,831 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 37.7 MB. Free memory was 15.2 MB in the beginning and 15.2 MB in the end (delta: 51.0 kB). Peak memory consumption was 51.0 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:59,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.35 ms. Allocated memory was 38.3 MB in the beginning and 46.7 MB in the end (delta: 8.4 MB). Free memory was 11.6 MB in the beginning and 22.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:59,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.42 ms. Allocated memory is still 46.7 MB. Free memory was 22.5 MB in the beginning and 18.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:59,833 INFO L168 Benchmark]: Boogie Preprocessor took 155.59 ms. Allocated memory was 46.7 MB in the beginning and 49.8 MB in the end (delta: 3.1 MB). Free memory was 18.5 MB in the beginning and 30.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:59,834 INFO L168 Benchmark]: RCFGBuilder took 42021.98 ms. Allocated memory was 49.8 MB in the beginning and 53.5 MB in the end (delta: 3.7 MB). Free memory was 30.0 MB in the beginning and 30.1 MB in the end (delta: -48.9 kB). Peak memory consumption was 23.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:59,834 INFO L168 Benchmark]: TraceAbstraction took 3014.99 ms. Allocated memory was 53.5 MB in the beginning and 57.1 MB in the end (delta: 3.7 MB). Free memory was 29.7 MB in the beginning and 16.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:59,835 INFO L168 Benchmark]: Witness Printer took 87.15 ms. Allocated memory is still 57.1 MB. Free memory was 16.1 MB in the beginning and 10.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:59,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 37.7 MB. Free memory was 15.2 MB in the beginning and 15.2 MB in the end (delta: 51.0 kB). Peak memory consumption was 51.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 872.35 ms. Allocated memory was 38.3 MB in the beginning and 46.7 MB in the end (delta: 8.4 MB). Free memory was 11.6 MB in the beginning and 22.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 130.42 ms. Allocated memory is still 46.7 MB. Free memory was 22.5 MB in the beginning and 18.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 155.59 ms. Allocated memory was 46.7 MB in the beginning and 49.8 MB in the end (delta: 3.1 MB). Free memory was 18.5 MB in the beginning and 30.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 42021.98 ms. Allocated memory was 49.8 MB in the beginning and 53.5 MB in the end (delta: 3.7 MB). Free memory was 30.0 MB in the beginning and 30.1 MB in the end (delta: -48.9 kB). Peak memory consumption was 23.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3014.99 ms. Allocated memory was 53.5 MB in the beginning and 57.1 MB in the end (delta: 3.7 MB). Free memory was 29.7 MB in the beginning and 16.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. * Witness Printer took 87.15 ms. Allocated memory is still 57.1 MB. Free memory was 16.1 MB in the beginning and 10.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L255] COND TRUE x < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0660b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...