./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.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_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/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 3e7d0b868b35716dc1f516fc758062372899bb27 ......................................................................................................................................................................................................................................................................................................................... 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_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/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 3e7d0b868b35716dc1f516fc758062372899bb27 ........................................................................................................................................................................................................................................................................................................................................ 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 13:17:52,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:17:52,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:17:52,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:17:52,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:17:52,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:17:52,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:17:52,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:17:52,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:17:52,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:17:52,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:17:52,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:17:52,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:17:52,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:17:52,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:17:52,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:17:52,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:17:52,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:17:52,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:17:52,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:17:52,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:17:52,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:17:52,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:17:52,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:17:52,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:17:52,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:17:52,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:17:52,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:17:52,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:17:52,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:17:52,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:17:52,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:17:52,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:17:52,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:17:52,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:17:52,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:17:52,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:17:52,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:17:52,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:17:52,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:17:52,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:17:52,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:17:52,394 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:17:52,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:17:52,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:17:52,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:17:52,395 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:17:52,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:17:52,395 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:17:52,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:17:52,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:17:52,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:17:52,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:17:52,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:17:52,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:17:52,396 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:17:52,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:17:52,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:17:52,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:17:52,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:17:52,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:17:52,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:17:52,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:17:52,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:17:52,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:17:52,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:17:52,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:17:52,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:17:52,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:17:52,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:17:52,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:17:52,398 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_2e7e5c80-2658-4f02-8017-3db453b6a6bf/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 -> 3e7d0b868b35716dc1f516fc758062372899bb27 [2019-12-07 13:17:52,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:17:52,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:17:52,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:17:52,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:17:52,527 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:17:52,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-07 13:17:52,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data/d73cda37d/b704f9c6d6314518ae2db3a05669b731/FLAGbfc2345c6 [2019-12-07 13:17:53,011 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:17:53,011 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-07 13:17:53,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data/d73cda37d/b704f9c6d6314518ae2db3a05669b731/FLAGbfc2345c6 [2019-12-07 13:17:53,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data/d73cda37d/b704f9c6d6314518ae2db3a05669b731 [2019-12-07 13:17:53,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:17:53,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:17:53,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:17:53,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:17:53,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:17:53,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39463579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53, skipping insertion in model container [2019-12-07 13:17:53,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:17:53,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:17:53,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:17:53,598 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:17:53,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:17:53,657 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:17:53,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53 WrapperNode [2019-12-07 13:17:53,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:17:53,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:17:53,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:17:53,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:17:53,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:17:53,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:17:53,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:17:53,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:17:53,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... [2019-12-07 13:17:53,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:17:53,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:17:53,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:17:53,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:17:53,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/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 13:17:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:17:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 13:17:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:17:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 13:17:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:17:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:17:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:17:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 13:17:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:17:54,184 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:17:54,184 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 13:17:54,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:17:54 BoogieIcfgContainer [2019-12-07 13:17:54,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:17:54,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:17:54,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:17:54,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:17:54,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:17:53" (1/3) ... [2019-12-07 13:17:54,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54373e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:17:54, skipping insertion in model container [2019-12-07 13:17:54,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:53" (2/3) ... [2019-12-07 13:17:54,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54373e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:17:54, skipping insertion in model container [2019-12-07 13:17:54,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:17:54" (3/3) ... [2019-12-07 13:17:54,190 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2019-12-07 13:17:54,196 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:17:54,200 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:17:54,207 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:17:54,223 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:17:54,223 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:17:54,223 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:17:54,223 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:17:54,223 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:17:54,223 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:17:54,223 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:17:54,223 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:17:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 13:17:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 13:17:54,238 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:17:54,239 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:17:54,239 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:17:54,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:17:54,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 13:17:54,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:17:54,248 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127781646] [2019-12-07 13:17:54,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:17:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:17:54,343 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 13:17:54,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127781646] [2019-12-07 13:17:54,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:17:54,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:17:54,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912179328] [2019-12-07 13:17:54,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:17:54,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:17:54,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:17:54,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:17:54,357 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 13:17:54,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:17:54,376 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 13:17:54,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:17:54,377 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 13:17:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:17:54,385 INFO L225 Difference]: With dead ends: 227 [2019-12-07 13:17:54,385 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 13:17:54,387 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 13:17:54,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 13:17:54,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 13:17:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 13:17:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 13:17:54,415 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 13:17:54,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:17:54,416 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 13:17:54,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:17:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 13:17:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 13:17:54,416 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:17:54,416 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:17:54,417 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:17:54,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:17:54,417 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 13:17:54,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:17:54,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888831908] [2019-12-07 13:17:54,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:17:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:17:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:17:54,508 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:17:54,509 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:17:54,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:17:54 BoogieIcfgContainer [2019-12-07 13:17:54,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:17:54,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:17:54,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:17:54,536 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:17:54,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:17:54" (3/4) ... [2019-12-07 13:17:54,539 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:17:54,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:17:54,540 INFO L168 Benchmark]: Toolchain (without parser) took 1162.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 986.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:17:54,541 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:17:54,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:17:54,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.98 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 13:17:54,542 INFO L168 Benchmark]: Boogie Preprocessor took 42.89 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 13:17:54,542 INFO L168 Benchmark]: RCFGBuilder took 443.86 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: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:17:54,543 INFO L168 Benchmark]: TraceAbstraction took 349.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 986.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:17:54,543 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 986.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:17:54,545 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.98 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 42.89 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 443.86 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: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 349.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 986.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 986.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: 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 251, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. 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] [L251] double x = -0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y > 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != pi_o_2 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] [L260] __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, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 13:17:55,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:17:55,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:17:55,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:17:55,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:17:55,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:17:55,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:17:55,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:17:55,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:17:55,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:17:55,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:17:55,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:17:55,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:17:55,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:17:55,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:17:55,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:17:55,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:17:55,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:17:55,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:17:55,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:17:55,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:17:55,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:17:55,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:17:55,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:17:55,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:17:55,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:17:55,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:17:55,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:17:55,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:17:55,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:17:55,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:17:55,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:17:55,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:17:55,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:17:55,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:17:55,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:17:55,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:17:55,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:17:55,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:17:55,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:17:55,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:17:55,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 13:17:55,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:17:55,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:17:55,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:17:55,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:17:55,998 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:17:55,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:17:55,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:17:55,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:17:55,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:17:55,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:17:55,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:17:55,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:17:55,999 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:17:55,999 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:17:55,999 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:17:55,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:17:55,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:17:56,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:17:56,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:17:56,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:17:56,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:17:56,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:17:56,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:17:56,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:17:56,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:17:56,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:17:56,001 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 13:17:56,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:17:56,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:17:56,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:17:56,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:17:56,002 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_2e7e5c80-2658-4f02-8017-3db453b6a6bf/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 -> 3e7d0b868b35716dc1f516fc758062372899bb27 [2019-12-07 13:17:56,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:17:56,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:17:56,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:17:56,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:17:56,209 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:17:56,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-07 13:17:56,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data/bed8afabf/242d05abe9e44e4da4b9888ee9fee44e/FLAG14fc93ac1 [2019-12-07 13:17:56,606 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:17:56,606 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-07 13:17:56,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data/bed8afabf/242d05abe9e44e4da4b9888ee9fee44e/FLAG14fc93ac1 [2019-12-07 13:17:56,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/data/bed8afabf/242d05abe9e44e4da4b9888ee9fee44e [2019-12-07 13:17:56,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:17:56,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:17:56,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:17:56,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:17:56,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:17:56,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203973a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56, skipping insertion in model container [2019-12-07 13:17:56,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:17:56,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:17:56,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:17:56,828 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:17:56,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:17:56,915 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:17:56,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56 WrapperNode [2019-12-07 13:17:56,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:17:56,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:17:56,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:17:56,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:17:56,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:17:56,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:17:56,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:17:56,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:17:56,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:56,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... [2019-12-07 13:17:57,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:17:57,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:17:57,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:17:57,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:17:57,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/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 13:17:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 13:17:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 13:17:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:17:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 13:17:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 13:17:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:17:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:17:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 13:17:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:18:34,662 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:18:34,662 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 13:18:34,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:18:34 BoogieIcfgContainer [2019-12-07 13:18:34,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:18:34,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:18:34,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:18:34,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:18:34,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:17:56" (1/3) ... [2019-12-07 13:18:34,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df5c8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:18:34, skipping insertion in model container [2019-12-07 13:18:34,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:17:56" (2/3) ... [2019-12-07 13:18:34,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df5c8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:18:34, skipping insertion in model container [2019-12-07 13:18:34,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:18:34" (3/3) ... [2019-12-07 13:18:34,668 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2019-12-07 13:18:34,674 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:18:34,679 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:18:34,686 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:18:34,706 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:18:34,706 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:18:34,706 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:18:34,706 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:18:34,707 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:18:34,707 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:18:34,707 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:18:34,707 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:18:34,718 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 13:18:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 13:18:34,722 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:18:34,723 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:18:34,723 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:18:34,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:18:34,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 13:18:34,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:18:34,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526890670] [2019-12-07 13:18:34,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/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 13:18:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:18:35,051 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:18:35,055 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:18:35,064 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 13:18:35,064 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:18:35,066 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 13:18:35,067 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526890670] [2019-12-07 13:18:35,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:18:35,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:18:35,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850931801] [2019-12-07 13:18:35,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:18:35,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:18:35,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:18:35,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:18:35,082 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 13:18:35,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:18:35,107 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 13:18:35,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:18:35,109 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 13:18:35,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:18:35,117 INFO L225 Difference]: With dead ends: 227 [2019-12-07 13:18:35,117 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 13:18:35,121 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:18:35,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 13:18:35,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 13:18:35,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 13:18:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 13:18:35,154 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 13:18:35,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:18:35,154 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 13:18:35,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:18:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 13:18:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 13:18:35,155 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:18:35,155 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:18:35,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:18:35,357 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:18:35,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:18:35,358 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 13:18:35,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:18:35,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928009777] [2019-12-07 13:18:35,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/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 13:18:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:18:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:18:36,560 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 13:18:36,560 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:18:36,761 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:18:36,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:18:36 BoogieIcfgContainer [2019-12-07 13:18:36,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:18:36,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:18:36,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:18:36,809 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:18:36,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:18:34" (3/4) ... [2019-12-07 13:18:36,810 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:18:36,855 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2e7e5c80-2658-4f02-8017-3db453b6a6bf/bin/uautomizer/witness.graphml [2019-12-07 13:18:36,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:18:36,857 INFO L168 Benchmark]: Toolchain (without parser) took 40232.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 968.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:18:36,857 INFO L168 Benchmark]: CDTParser took 0.14 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 13:18:36,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:18:36,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:18:36,858 INFO L168 Benchmark]: Boogie Preprocessor took 45.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:18:36,859 INFO L168 Benchmark]: RCFGBuilder took 37658.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:18:36,859 INFO L168 Benchmark]: TraceAbstraction took 2144.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.0 MB in the end (delta: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:18:36,859 INFO L168 Benchmark]: Witness Printer took 47.27 ms. Allocated memory is still 1.2 GB. Free memory was 975.0 MB in the beginning and 968.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:18:36,861 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 290.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37658.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2144.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.0 MB in the end (delta: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.27 ms. Allocated memory is still 1.2 GB. Free memory was 975.0 MB in the beginning and 968.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 260]: 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] [L251] double x = -0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y > 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != pi_o_2 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] [L260] __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, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 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...