./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 096883e9 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 0.2.0-096883e [2020-12-01 23:12:47,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:12:47,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:12:47,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:12:47,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:12:47,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:12:47,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:12:47,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:12:47,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:12:47,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:12:47,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:12:47,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:12:47,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:12:47,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:12:47,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:12:47,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:12:47,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:12:47,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:12:47,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:12:47,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:12:47,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:12:47,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:12:47,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:12:47,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:12:47,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:12:47,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:12:47,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:12:47,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:12:47,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:12:47,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:12:47,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:12:47,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:12:47,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:12:47,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:12:47,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:12:47,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:12:47,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:12:47,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:12:47,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:12:47,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:12:47,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:12:47,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:12:47,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:12:47,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:12:47,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:12:47,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:12:47,537 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:12:47,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:12:47,538 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:12:47,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:12:47,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:12:47,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:12:47,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:12:47,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:12:47,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:12:47,542 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:12:47,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:12:47,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:12:47,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:12:47,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:12:47,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:12:47,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:12:47,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:12:47,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:47,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:12:47,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:12:47,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:12:47,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:12:47,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:12:47,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:12:47,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:12:47,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce41e341839c3e0f842e110b5c525e7dc81a9ade [2020-12-01 23:12:47,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:12:48,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:12:48,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:12:48,018 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:12:48,020 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:12:48,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-12-01 23:12:48,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab04c84b2/36489d0a42964c939b21f3db8aed39b6/FLAG0c5491b49 [2020-12-01 23:12:48,719 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:12:48,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-12-01 23:12:48,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab04c84b2/36489d0a42964c939b21f3db8aed39b6/FLAG0c5491b49 [2020-12-01 23:12:49,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab04c84b2/36489d0a42964c939b21f3db8aed39b6 [2020-12-01 23:12:49,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:12:49,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:12:49,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:49,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:12:49,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:12:49,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f48fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49, skipping insertion in model container [2020-12-01 23:12:49,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:12:49,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:12:49,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c[6889,6902] [2020-12-01 23:12:49,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:49,571 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:12:49,637 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c[6889,6902] [2020-12-01 23:12:49,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:49,672 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:12:49,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49 WrapperNode [2020-12-01 23:12:49,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:49,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:49,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:12:49,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:12:49,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:49,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:12:49,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:12:49,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:12:49,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:12:49,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:12:49,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:12:49,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:12:49,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:12:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:12:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:12:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:12:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:12:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:12:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:12:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:12:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:12:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:12:50,809 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:12:50,809 INFO L298 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-01 23:12:50,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:50 BoogieIcfgContainer [2020-12-01 23:12:50,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:12:50,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:12:50,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:12:50,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:12:50,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:49" (1/3) ... [2020-12-01 23:12:50,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6af38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:50, skipping insertion in model container [2020-12-01 23:12:50,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (2/3) ... [2020-12-01 23:12:50,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6af38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:50, skipping insertion in model container [2020-12-01 23:12:50,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:50" (3/3) ... [2020-12-01 23:12:50,822 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2020-12-01 23:12:50,836 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:12:50,840 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:12:50,851 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:12:50,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:12:50,878 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:12:50,878 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:12:50,879 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:12:50,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:12:50,879 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:12:50,879 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:12:50,879 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:12:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-01 23:12:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 23:12:50,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:50,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:50,911 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:50,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:50,916 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-12-01 23:12:50,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:50,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511340472] [2020-12-01 23:12:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:51,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511340472] [2020-12-01 23:12:51,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:51,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:12:51,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942633507] [2020-12-01 23:12:51,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:12:51,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:12:51,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:12:51,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:12:51,198 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-01 23:12:51,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:51,265 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2020-12-01 23:12:51,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:12:51,267 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 23:12:51,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:51,283 INFO L225 Difference]: With dead ends: 246 [2020-12-01 23:12:51,283 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:12:51,288 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 [2020-12-01 23:12:51,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:12:51,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:12:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:12:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-12-01 23:12:51,339 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-12-01 23:12:51,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:51,340 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-12-01 23:12:51,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:12:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-12-01 23:12:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 23:12:51,341 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:51,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:51,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:12:51,342 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:51,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:51,343 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-12-01 23:12:51,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:51,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102268469] [2020-12-01 23:12:51,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:51,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102268469] [2020-12-01 23:12:51,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:51,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 23:12:51,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125547191] [2020-12-01 23:12:51,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:12:51,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:12:51,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:12:51,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:12:51,532 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-12-01 23:12:51,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:51,583 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-12-01 23:12:51,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:12:51,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 23:12:51,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:51,589 INFO L225 Difference]: With dead ends: 229 [2020-12-01 23:12:51,590 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:12:51,592 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 [2020-12-01 23:12:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:12:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:12:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:12:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-12-01 23:12:51,612 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-12-01 23:12:51,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:51,613 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-12-01 23:12:51,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:12:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-12-01 23:12:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 23:12:51,615 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:51,615 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] [2020-12-01 23:12:51,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:12:51,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:51,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:51,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-12-01 23:12:51,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:51,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885557830] [2020-12-01 23:12:51,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:51,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:52,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:52,047 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:12:52,047 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:12:52,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 23:12:52,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:12:52 BoogieIcfgContainer [2020-12-01 23:12:52,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:12:52,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:12:52,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:12:52,109 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:12:52,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:50" (3/4) ... [2020-12-01 23:12:52,114 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:12:52,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:12:52,117 INFO L168 Benchmark]: Toolchain (without parser) took 3026.44 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 32.9 MB in the beginning and 53.9 MB in the end (delta: -21.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:52,118 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 44.0 MB. Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:52,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.42 ms. Allocated memory is still 56.6 MB. Free memory was 32.7 MB in the beginning and 30.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:52,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.06 ms. Allocated memory is still 56.6 MB. Free memory was 30.6 MB in the beginning and 26.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:52,120 INFO L168 Benchmark]: Boogie Preprocessor took 88.37 ms. Allocated memory is still 56.6 MB. Free memory was 26.7 MB in the beginning and 37.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:52,121 INFO L168 Benchmark]: RCFGBuilder took 962.03 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 36.9 MB in the beginning and 35.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:52,123 INFO L168 Benchmark]: TraceAbstraction took 1295.40 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.3 MB in the beginning and 53.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:52,123 INFO L168 Benchmark]: Witness Printer took 5.40 ms. Allocated memory is still 83.9 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:52,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 44.0 MB. Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 579.42 ms. Allocated memory is still 56.6 MB. Free memory was 32.7 MB in the beginning and 30.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.06 ms. Allocated memory is still 56.6 MB. Free memory was 30.6 MB in the beginning and 26.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.37 ms. Allocated memory is still 56.6 MB. Free memory was 26.7 MB in the beginning and 37.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 962.03 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 36.9 MB in the beginning and 35.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1295.40 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.3 MB in the beginning and 53.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.40 ms. Allocated memory is still 83.9 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 288]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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] [L288] 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, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, 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=124occurred 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 0.2.0-096883e [2020-12-01 23:12:54,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:12:54,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:12:54,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:12:54,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:12:54,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:12:54,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:12:54,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:12:54,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:12:54,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:12:54,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:12:54,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:12:54,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:12:54,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:12:54,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:12:54,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:12:54,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:12:54,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:12:54,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:12:54,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:12:54,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:12:54,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:12:54,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:12:54,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:12:54,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:12:54,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:12:54,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:12:54,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:12:54,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:12:54,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:12:54,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:12:54,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:12:54,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:12:54,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:12:54,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:12:54,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:12:54,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:12:54,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:12:54,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:12:54,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:12:54,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:12:54,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:12:54,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:12:54,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:12:54,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:12:54,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:12:54,764 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:12:54,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:12:54,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:12:54,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:12:54,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:12:54,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:12:54,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:12:54,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:12:54,765 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:12:54,765 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:12:54,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:12:54,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:12:54,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:12:54,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:12:54,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:12:54,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:12:54,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:12:54,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:12:54,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:54,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:12:54,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:12:54,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:12:54,768 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:12:54,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:12:54,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:12:54,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:12:54,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:12:54,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce41e341839c3e0f842e110b5c525e7dc81a9ade [2020-12-01 23:12:55,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:12:55,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:12:55,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:12:55,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:12:55,196 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:12:55,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-12-01 23:12:55,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295ac63f0/f67813bbcbb946c987b0e6e57f62c49c/FLAGf3d89c508 [2020-12-01 23:12:55,973 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:12:55,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2020-12-01 23:12:55,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295ac63f0/f67813bbcbb946c987b0e6e57f62c49c/FLAGf3d89c508 [2020-12-01 23:12:56,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295ac63f0/f67813bbcbb946c987b0e6e57f62c49c [2020-12-01 23:12:56,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:12:56,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:12:56,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:56,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:12:56,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:12:56,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c1d9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56, skipping insertion in model container [2020-12-01 23:12:56,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:12:56,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:12:56,799 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c[6889,6902] [2020-12-01 23:12:56,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:56,839 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:12:56,923 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c[6889,6902] [2020-12-01 23:12:56,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:56,974 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:12:56,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56 WrapperNode [2020-12-01 23:12:56,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:56,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:56,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:12:56,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:12:56,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:57,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:12:57,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:12:57,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:12:57,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:57,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:12:57,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:12:57,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:12:57,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:12:57,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (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 [2020-12-01 23:12:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:12:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:12:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:12:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:12:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:12:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:12:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:12:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:12:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:12:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:13:49,728 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:13:49,729 INFO L298 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-01 23:13:49,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:49 BoogieIcfgContainer [2020-12-01 23:13:49,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:13:49,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:13:49,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:13:49,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:13:49,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:56" (1/3) ... [2020-12-01 23:13:49,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320f176e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:49, skipping insertion in model container [2020-12-01 23:13:49,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (2/3) ... [2020-12-01 23:13:49,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320f176e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:49, skipping insertion in model container [2020-12-01 23:13:49,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:49" (3/3) ... [2020-12-01 23:13:49,750 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2020-12-01 23:13:49,766 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:13:49,770 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:13:49,781 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:13:49,811 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:13:49,812 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:13:49,812 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:13:49,812 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:13:49,812 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:13:49,812 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:13:49,812 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:13:49,812 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:13:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-01 23:13:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 23:13:49,833 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:49,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:49,834 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:49,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:49,839 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-12-01 23:13:49,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:49,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138436464] [2020-12-01 23:13:49,853 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 [2020-12-01 23:13:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:50,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:13:50,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:13:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:50,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:13:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:50,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138436464] [2020-12-01 23:13:50,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:50,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:13:50,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479194473] [2020-12-01 23:13:50,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:13:50,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:13:50,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:13:50,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:50,340 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-01 23:13:50,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:50,375 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2020-12-01 23:13:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:13:50,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 23:13:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:50,388 INFO L225 Difference]: With dead ends: 246 [2020-12-01 23:13:50,389 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:13:50,392 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 [2020-12-01 23:13:50,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:13:50,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:13:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:13:50,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-12-01 23:13:50,441 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-12-01 23:13:50,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:50,442 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-12-01 23:13:50,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:13:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-12-01 23:13:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 23:13:50,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:50,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:50,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:13:50,657 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:50,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:50,658 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-12-01 23:13:50,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:50,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062849020] [2020-12-01 23:13:50,661 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 [2020-12-01 23:13:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:51,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 23:13:51,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:13:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:51,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:13:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:51,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062849020] [2020-12-01 23:13:51,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:51,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-01 23:13:51,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158855180] [2020-12-01 23:13:51,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:13:51,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:13:51,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:13:51,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:13:51,272 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-12-01 23:13:51,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:51,850 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-12-01 23:13:51,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:13:51,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 23:13:51,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:51,854 INFO L225 Difference]: With dead ends: 229 [2020-12-01 23:13:51,854 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:13:51,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:13:51,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:13:51,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:13:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:13:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-12-01 23:13:51,880 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-12-01 23:13:51,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:51,882 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-12-01 23:13:51,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:13:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-12-01 23:13:51,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 23:13:51,884 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:51,885 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] [2020-12-01 23:13:52,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:13:52,087 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:52,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:52,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-12-01 23:13:52,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:52,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587238139] [2020-12-01 23:13:52,090 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 [2020-12-01 23:13:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:52,999 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:53,742 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:53,919 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:13:53,921 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:13:54,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 23:13:54,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:13:54 BoogieIcfgContainer [2020-12-01 23:13:54,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:13:54,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:13:54,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:13:54,222 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:13:54,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:49" (3/4) ... [2020-12-01 23:13:54,225 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:13:54,342 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:13:54,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:13:54,345 INFO L168 Benchmark]: Toolchain (without parser) took 58020.12 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 34.6 MB in the beginning and 25.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:54,345 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 27.3 MB in the beginning and 27.3 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:54,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.43 ms. Allocated memory is still 50.3 MB. Free memory was 34.4 MB in the beginning and 29.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:54,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.41 ms. Allocated memory is still 50.3 MB. Free memory was 29.0 MB in the beginning and 25.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:54,348 INFO L168 Benchmark]: Boogie Preprocessor took 93.16 ms. Allocated memory is still 50.3 MB. Free memory was 25.2 MB in the beginning and 21.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:54,354 INFO L168 Benchmark]: RCFGBuilder took 52582.07 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 25.8 MB in the end (delta: -4.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:54,355 INFO L168 Benchmark]: TraceAbstraction took 4485.06 ms. Allocated memory is still 60.8 MB. Free memory was 25.5 MB in the beginning and 32.2 MB in the end (delta: -6.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:54,355 INFO L168 Benchmark]: Witness Printer took 120.17 ms. Allocated memory is still 60.8 MB. Free memory was 32.2 MB in the beginning and 25.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:54,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 27.3 MB in the beginning and 27.3 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 646.43 ms. Allocated memory is still 50.3 MB. Free memory was 34.4 MB in the beginning and 29.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.41 ms. Allocated memory is still 50.3 MB. Free memory was 29.0 MB in the beginning and 25.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.16 ms. Allocated memory is still 50.3 MB. Free memory was 25.2 MB in the beginning and 21.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 52582.07 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 25.8 MB in the end (delta: -4.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4485.06 ms. Allocated memory is still 60.8 MB. Free memory was 25.5 MB in the beginning and 32.2 MB in the end (delta: -6.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * Witness Printer took 120.17 ms. Allocated memory is still 60.8 MB. Free memory was 32.2 MB in the beginning and 25.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 288]: a call to reach_error is reachable a call to reach_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] [L288] 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, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, 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, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 1.4s SatisfiabilityAnalysisTime, 0.2s 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...