./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6325aa1d97dea13f4033dc32ee324acae8808fcc ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6325aa1d97dea13f4033dc32ee324acae8808fcc ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:53:27,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:53:27,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:53:27,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:53:27,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:53:27,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:53:27,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:53:27,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:53:27,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:53:27,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:53:27,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:53:27,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:53:27,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:53:27,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:53:27,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:53:27,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:53:27,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:53:27,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:53:27,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:53:27,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:53:27,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:53:27,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:53:27,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:53:27,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:53:27,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:53:27,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:53:27,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:53:27,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:53:27,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:53:27,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:53:27,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:53:27,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:53:27,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:53:27,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:53:27,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:53:27,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:53:27,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:53:27,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:53:27,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:53:27,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:53:27,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:53:27,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:53:27,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:53:27,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:53:27,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:53:27,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:53:27,586 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:53:27,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:53:27,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:53:27,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:53:27,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:53:27,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:53:27,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:53:27,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:53:27,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:53:27,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:53:27,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:53:27,587 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:53:27,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:53:27,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:53:27,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:53:27,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:53:27,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:53:27,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:53:27,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:53:27,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:53:27,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:53:27,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:53:27,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:53:27,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:53:27,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:53:27,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer 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(__VERIFIER_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 -> 6325aa1d97dea13f4033dc32ee324acae8808fcc [2019-12-07 15:53:27,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:53:27,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:53:27,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:53:27,702 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:53:27,702 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:53:27,703 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2019-12-07 15:53:27,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data/944e08a9d/b5f0784baab7480f95ac3db0bd067096/FLAGd7768b293 [2019-12-07 15:53:28,186 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:53:28,187 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2019-12-07 15:53:28,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data/944e08a9d/b5f0784baab7480f95ac3db0bd067096/FLAGd7768b293 [2019-12-07 15:53:28,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data/944e08a9d/b5f0784baab7480f95ac3db0bd067096 [2019-12-07 15:53:28,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:53:28,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:53:28,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:53:28,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:53:28,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:53:28,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712b2759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28, skipping insertion in model container [2019-12-07 15:53:28,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:53:28,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:53:28,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:53:28,434 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:53:28,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:53:28,484 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:53:28,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28 WrapperNode [2019-12-07 15:53:28,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:53:28,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:53:28,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:53:28,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:53:28,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:53:28,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:53:28,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:53:28,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:53:28,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... [2019-12-07 15:53:28,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:53:28,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:53:28,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:53:28,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:53:28,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/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 [2019-12-07 15:53:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:53:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 15:53:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:53:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 15:53:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:53:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:53:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:53:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 15:53:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:53:29,008 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:53:29,008 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 15:53:29,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:53:29 BoogieIcfgContainer [2019-12-07 15:53:29,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:53:29,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:53:29,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:53:29,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:53:29,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:53:28" (1/3) ... [2019-12-07 15:53:29,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e36103f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:53:29, skipping insertion in model container [2019-12-07 15:53:29,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:28" (2/3) ... [2019-12-07 15:53:29,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e36103f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:53:29, skipping insertion in model container [2019-12-07 15:53:29,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:53:29" (3/3) ... [2019-12-07 15:53:29,014 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2019-12-07 15:53:29,020 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:53:29,024 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:53:29,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:53:29,047 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:53:29,047 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:53:29,047 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:53:29,047 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:53:29,047 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:53:29,048 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:53:29,048 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:53:29,048 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:53:29,059 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 15:53:29,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:53:29,063 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:29,063 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:29,063 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:53:29,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:29,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 15:53:29,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:29,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837879435] [2019-12-07 15:53:29,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:29,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837879435] [2019-12-07 15:53:29,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:29,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:53:29,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064362847] [2019-12-07 15:53:29,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:53:29,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:29,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:53:29,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:53:29,181 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 15:53:29,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:29,200 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 15:53:29,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:53:29,201 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 15:53:29,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:29,209 INFO L225 Difference]: With dead ends: 224 [2019-12-07 15:53:29,209 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 15:53:29,211 INFO L630 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 [2019-12-07 15:53:29,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 15:53:29,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 15:53:29,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 15:53:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 15:53:29,239 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 15:53:29,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:29,239 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 15:53:29,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:53:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 15:53:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 15:53:29,240 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:29,240 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:29,240 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:53:29,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:29,241 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 15:53:29,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:29,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197294985] [2019-12-07 15:53:29,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:53:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:53:29,337 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:53:29,337 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:53:29,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:53:29 BoogieIcfgContainer [2019-12-07 15:53:29,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:53:29,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:53:29,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:53:29,364 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:53:29,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:53:29" (3/4) ... [2019-12-07 15:53:29,367 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:53:29,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:53:29,368 INFO L168 Benchmark]: Toolchain (without parser) took 1163.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 946.2 MB in the beginning and 998.6 MB in the end (delta: -52.4 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:29,369 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:29,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:29,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:29,370 INFO L168 Benchmark]: Boogie Preprocessor took 43.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:29,370 INFO L168 Benchmark]: RCFGBuilder took 440.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:29,371 INFO L168 Benchmark]: TraceAbstraction took 353.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.6 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:29,371 INFO L168 Benchmark]: Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 998.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:29,373 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 440.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 353.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.6 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 998.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 256]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 255. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] double x = 1.0 / 0.0; [L251] double y = 1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 15:53:30,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:53:30,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:53:30,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:53:30,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:53:30,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:53:30,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:53:30,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:53:30,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:53:30,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:53:30,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:53:30,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:53:30,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:53:30,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:53:30,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:53:30,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:53:30,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:53:30,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:53:30,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:53:30,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:53:30,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:53:30,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:53:30,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:53:30,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:53:30,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:53:30,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:53:30,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:53:30,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:53:30,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:53:30,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:53:30,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:53:30,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:53:30,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:53:30,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:53:30,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:53:30,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:53:30,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:53:30,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:53:30,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:53:30,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:53:30,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:53:30,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 15:53:30,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:53:30,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:53:30,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:53:30,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:53:30,743 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:53:30,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:53:30,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:53:30,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:53:30,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:53:30,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:53:30,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:53:30,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:53:30,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:53:30,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:53:30,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:53:30,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:53:30,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:53:30,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:53:30,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:53:30,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:53:30,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:53:30,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:53:30,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:53:30,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:53:30,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:53:30,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:53:30,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 15:53:30,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:53:30,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:53:30,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:53:30,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:53:30,748 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer 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(__VERIFIER_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 -> 6325aa1d97dea13f4033dc32ee324acae8808fcc [2019-12-07 15:53:30,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:53:30,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:53:30,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:53:30,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:53:30,933 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:53:30,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2019-12-07 15:53:30,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data/8d53358e8/10beb20c271846aa80cf257ec5f0adb7/FLAG40478c367 [2019-12-07 15:53:31,331 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:53:31,331 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2019-12-07 15:53:31,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data/8d53358e8/10beb20c271846aa80cf257ec5f0adb7/FLAG40478c367 [2019-12-07 15:53:31,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/data/8d53358e8/10beb20c271846aa80cf257ec5f0adb7 [2019-12-07 15:53:31,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:53:31,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:53:31,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:53:31,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:53:31,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:53:31,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:53:31" (1/1) ... [2019-12-07 15:53:31,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453566ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:31, skipping insertion in model container [2019-12-07 15:53:31,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:53:31" (1/1) ... [2019-12-07 15:53:31,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:53:31,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:53:31,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:53:31,929 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:53:32,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:53:32,021 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:53:32,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32 WrapperNode [2019-12-07 15:53:32,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:53:32,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:53:32,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:53:32,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:53:32,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:53:32,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:53:32,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:53:32,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:53:32,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... [2019-12-07 15:53:32,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:53:32,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:53:32,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:53:32,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:53:32,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/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 [2019-12-07 15:53:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 15:53:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 15:53:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:53:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 15:53:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 15:53:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:53:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:53:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 15:53:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:54:09,139 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:54:09,139 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 15:54:09,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:54:09 BoogieIcfgContainer [2019-12-07 15:54:09,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:54:09,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:54:09,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:54:09,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:54:09,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:53:31" (1/3) ... [2019-12-07 15:54:09,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc735f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:54:09, skipping insertion in model container [2019-12-07 15:54:09,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:32" (2/3) ... [2019-12-07 15:54:09,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc735f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:54:09, skipping insertion in model container [2019-12-07 15:54:09,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:54:09" (3/3) ... [2019-12-07 15:54:09,145 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2019-12-07 15:54:09,151 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:54:09,156 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:54:09,163 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:54:09,179 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:54:09,180 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:54:09,180 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:54:09,180 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:54:09,180 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:54:09,180 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:54:09,180 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:54:09,181 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:54:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 15:54:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:54:09,195 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:09,196 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:09,196 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:09,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:09,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 15:54:09,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:54:09,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453821221] [2019-12-07 15:54:09,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/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 [2019-12-07 15:54:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:09,530 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:54:09,534 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:54:09,543 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:54:09,546 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453821221] [2019-12-07 15:54:09,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:09,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:54:09,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829867415] [2019-12-07 15:54:09,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:54:09,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:54:09,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:54:09,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:54:09,561 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 15:54:09,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:09,581 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 15:54:09,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:54:09,582 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 15:54:09,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:09,590 INFO L225 Difference]: With dead ends: 224 [2019-12-07 15:54:09,591 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 15:54:09,593 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:54:09,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 15:54:09,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 15:54:09,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 15:54:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 15:54:09,623 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 15:54:09,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:09,623 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 15:54:09,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:54:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 15:54:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 15:54:09,624 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:09,624 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:09,825 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:54:09,825 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:09,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:09,826 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 15:54:09,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:54:09,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613827380] [2019-12-07 15:54:09,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/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 [2019-12-07 15:54:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:54:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:54:11,085 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 15:54:11,086 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:54:11,287 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:54:11,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:54:11 BoogieIcfgContainer [2019-12-07 15:54:11,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:54:11,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:54:11,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:54:11,344 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:54:11,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:54:09" (3/4) ... [2019-12-07 15:54:11,345 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 15:54:11,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_792b06bb-daf1-43a3-9e5a-f6fdb183dfa8/bin/uautomizer/witness.graphml [2019-12-07 15:54:11,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:54:11,392 INFO L168 Benchmark]: Toolchain (without parser) took 39641.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 952.4 MB in the beginning and 936.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 128.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:54:11,392 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:54:11,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:54:11,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:54:11,393 INFO L168 Benchmark]: Boogie Preprocessor took 44.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:54:11,393 INFO L168 Benchmark]: RCFGBuilder took 37030.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:54:11,394 INFO L168 Benchmark]: TraceAbstraction took 2202.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 943.0 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:54:11,394 INFO L168 Benchmark]: Witness Printer took 47.12 ms. Allocated memory is still 1.1 GB. Free memory was 943.0 MB in the beginning and 936.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:54:11,396 INFO L335 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 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 37030.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2202.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 943.0 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.12 ms. Allocated memory is still 1.1 GB. Free memory was 943.0 MB in the beginning and 936.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 256]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] 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={3:0}, atanlo_atan={2:0}, 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] double x = 1.0 / 0.0; [L251] double y = 1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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...