./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.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_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/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 42a2b09bf764c955809dc95e1d3b096fa07a0419 ......................................................................................................................................................................................................................................................................................................................... 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_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/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 42a2b09bf764c955809dc95e1d3b096fa07a0419 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:56:59,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:56:59,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:56:59,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:56:59,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:56:59,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:56:59,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:56:59,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:56:59,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:56:59,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:56:59,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:56:59,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:56:59,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:56:59,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:56:59,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:56:59,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:56:59,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:56:59,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:56:59,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:56:59,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:56:59,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:56:59,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:56:59,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:56:59,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:56:59,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:56:59,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:56:59,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:56:59,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:56:59,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:56:59,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:56:59,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:56:59,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:56:59,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:56:59,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:56:59,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:56:59,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:56:59,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:56:59,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:56:59,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:56:59,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:56:59,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:56:59,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:56:59,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:56:59,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:56:59,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:56:59,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:56:59,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:56:59,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:56:59,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:56:59,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:56:59,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:56:59,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:56:59,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:56:59,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:56:59,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:56:59,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:56:59,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:56:59,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:56:59,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:56:59,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:56:59,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:56:59,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:56:59,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:56:59,068 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_27208183-51a9-495a-8fda-34b0f581ced4/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 -> 42a2b09bf764c955809dc95e1d3b096fa07a0419 [2019-12-07 18:56:59,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:56:59,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:56:59,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:56:59,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:56:59,180 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:56:59,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2019-12-07 18:56:59,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data/20553d4cb/d75441ce5f65450f990ea039c9a8deff/FLAGb2bdcb565 [2019-12-07 18:56:59,641 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:56:59,641 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2019-12-07 18:56:59,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data/20553d4cb/d75441ce5f65450f990ea039c9a8deff/FLAGb2bdcb565 [2019-12-07 18:56:59,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data/20553d4cb/d75441ce5f65450f990ea039c9a8deff [2019-12-07 18:56:59,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:56:59,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:56:59,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:56:59,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:56:59,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:56:59,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:56:59,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fede591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59, skipping insertion in model container [2019-12-07 18:56:59,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:56:59,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:56:59,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:56:59,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:56:59,886 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:56:59,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:56:59,942 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:56:59,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59 WrapperNode [2019-12-07 18:56:59,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:56:59,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:56:59,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:56:59,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:56:59,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:56:59,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:56:59,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:56:59,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:56:59,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:56:59,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:56:59,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:56:59,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:56:59,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:56:59,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:57:00,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:57:00,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:57:00,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... [2019-12-07 18:57:00,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:57:00,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:57:00,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:57:00,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:57:00,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/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 18:57:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:57:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 18:57:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:57:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 18:57:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:57:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:57:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:57:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 18:57:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:57:00,480 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:57:00,480 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-07 18:57:00,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:00 BoogieIcfgContainer [2019-12-07 18:57:00,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:57:00,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:57:00,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:57:00,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:57:00,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:56:59" (1/3) ... [2019-12-07 18:57:00,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aab36ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:57:00, skipping insertion in model container [2019-12-07 18:57:00,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:56:59" (2/3) ... [2019-12-07 18:57:00,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aab36ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:57:00, skipping insertion in model container [2019-12-07 18:57:00,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:00" (3/3) ... [2019-12-07 18:57:00,486 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2019-12-07 18:57:00,492 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:57:00,497 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:57:00,504 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:57:00,519 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:57:00,520 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:57:00,520 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:57:00,520 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:57:00,520 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:57:00,520 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:57:00,520 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:57:00,520 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:57:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2019-12-07 18:57:00,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:57:00,536 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:00,536 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:57:00,537 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:00,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:00,540 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2019-12-07 18:57:00,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:00,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352224105] [2019-12-07 18:57:00,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:57:00,641 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 18:57:00,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352224105] [2019-12-07 18:57:00,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:57:00,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:57:00,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801120725] [2019-12-07 18:57:00,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:57:00,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:57:00,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:57:00,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:57:00,656 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2019-12-07 18:57:00,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:57:00,676 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2019-12-07 18:57:00,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:57:00,677 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:57:00,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:57:00,685 INFO L225 Difference]: With dead ends: 234 [2019-12-07 18:57:00,685 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 18:57:00,687 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 18:57:00,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 18:57:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 18:57:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 18:57:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-07 18:57:00,716 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2019-12-07 18:57:00,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:57:00,717 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-07 18:57:00,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:57:00,717 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-07 18:57:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:57:00,717 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:00,717 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:57:00,718 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:00,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:00,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2019-12-07 18:57:00,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:00,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502997339] [2019-12-07 18:57:00,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:00,809 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:57:00,809 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:57:00,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:57:00 BoogieIcfgContainer [2019-12-07 18:57:00,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:57:00,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:57:00,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:57:00,838 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:57:00,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:00" (3/4) ... [2019-12-07 18:57:00,841 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:57:00,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:57:00,843 INFO L168 Benchmark]: Toolchain (without parser) took 1182.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 944.8 MB in the beginning and 971.7 MB in the end (delta: -26.9 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:00,843 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:00,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:00,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.85 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 18:57:00,844 INFO L168 Benchmark]: Boogie Preprocessor took 44.39 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 18:57:00,845 INFO L168 Benchmark]: RCFGBuilder took 452.82 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: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:00,845 INFO L168 Benchmark]: TraceAbstraction took 356.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 971.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:00,845 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.1 GB. Free memory is still 971.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:00,848 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 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.85 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 44.39 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 452.82 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: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 356.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 971.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.1 GB. Free memory is still 971.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 268]: 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 bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 267. 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] [L263] double x = 0.0; [L264] double 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] [L265] double res = __ieee754_atan2(y, x); [L267] EXPR res == 0.0 && __signbit_double(res) == 0 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] [L267] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L268] __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, 118 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 167 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=118occurred 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 18:57:02,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:57:02,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:57:02,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:57:02,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:57:02,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:57:02,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:57:02,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:57:02,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:57:02,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:57:02,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:57:02,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:57:02,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:57:02,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:57:02,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:57:02,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:57:02,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:57:02,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:57:02,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:57:02,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:57:02,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:57:02,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:57:02,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:57:02,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:57:02,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:57:02,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:57:02,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:57:02,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:57:02,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:57:02,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:57:02,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:57:02,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:57:02,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:57:02,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:57:02,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:57:02,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:57:02,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:57:02,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:57:02,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:57:02,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:57:02,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:57:02,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:57:02,234 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:57:02,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:57:02,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:57:02,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:57:02,235 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:57:02,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:57:02,235 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:57:02,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:57:02,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:57:02,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:57:02,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:57:02,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:57:02,236 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:57:02,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:57:02,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:57:02,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:57:02,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:57:02,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:57:02,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:57:02,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:57:02,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:57:02,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:57:02,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:57:02,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:57:02,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:57:02,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:57:02,238 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:57:02,238 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:57:02,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:57:02,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:57:02,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:57:02,238 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_27208183-51a9-495a-8fda-34b0f581ced4/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 -> 42a2b09bf764c955809dc95e1d3b096fa07a0419 [2019-12-07 18:57:02,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:57:02,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:57:02,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:57:02,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:57:02,438 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:57:02,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2019-12-07 18:57:02,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data/22ffcb38d/a2695148732048409979cccb2ae8a5a4/FLAGc857842a2 [2019-12-07 18:57:02,929 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:57:02,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2019-12-07 18:57:02,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data/22ffcb38d/a2695148732048409979cccb2ae8a5a4/FLAGc857842a2 [2019-12-07 18:57:02,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/data/22ffcb38d/a2695148732048409979cccb2ae8a5a4 [2019-12-07 18:57:02,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:57:02,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:57:02,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:57:02,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:57:02,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:57:02,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:57:02" (1/1) ... [2019-12-07 18:57:02,952 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 06:57:02, skipping insertion in model container [2019-12-07 18:57:02,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:57:02" (1/1) ... [2019-12-07 18:57:02,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:57:02,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:57:03,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:57:03,124 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:57:03,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:57:03,221 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:57:03,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03 WrapperNode [2019-12-07 18:57:03,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:57:03,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:57:03,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:57:03,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:57:03,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:57:03,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:57:03,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:57:03,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:57:03,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... [2019-12-07 18:57:03,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:57:03,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:57:03,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:57:03,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:57:03,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/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 18:57:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 18:57:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 18:57:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:57:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 18:57:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:57:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:57:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:57:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:57:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:57:38,696 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:57:38,696 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-07 18:57:38,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:38 BoogieIcfgContainer [2019-12-07 18:57:38,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:57:38,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:57:38,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:57:38,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:57:38,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:57:02" (1/3) ... [2019-12-07 18:57:38,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef3d473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:57:38, skipping insertion in model container [2019-12-07 18:57:38,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:03" (2/3) ... [2019-12-07 18:57:38,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef3d473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:57:38, skipping insertion in model container [2019-12-07 18:57:38,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:38" (3/3) ... [2019-12-07 18:57:38,702 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2019-12-07 18:57:38,709 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:57:38,714 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:57:38,721 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:57:38,739 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:57:38,739 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:57:38,739 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:57:38,739 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:57:38,740 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:57:38,740 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:57:38,740 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:57:38,740 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:57:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2019-12-07 18:57:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:57:38,757 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:38,758 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:57:38,758 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:38,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:38,762 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2019-12-07 18:57:38,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:57:38,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009812718] [2019-12-07 18:57:38,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/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 18:57:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:57:39,082 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 18:57:39,086 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:57:39,096 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 18:57:39,096 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:57:39,099 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 18:57:39,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009812718] [2019-12-07 18:57:39,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:57:39,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:57:39,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284958061] [2019-12-07 18:57:39,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:57:39,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:57:39,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:57:39,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:57:39,115 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2019-12-07 18:57:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:57:39,140 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2019-12-07 18:57:39,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:57:39,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:57:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:57:39,153 INFO L225 Difference]: With dead ends: 234 [2019-12-07 18:57:39,154 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 18:57:39,157 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 18:57:39,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 18:57:39,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 18:57:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 18:57:39,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-07 18:57:39,194 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2019-12-07 18:57:39,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:57:39,194 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-07 18:57:39,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:57:39,194 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-07 18:57:39,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:57:39,195 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:39,195 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:57:39,396 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:57:39,396 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:39,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:39,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2019-12-07 18:57:39,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:57:39,397 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602980795] [2019-12-07 18:57:39,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/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 18:57:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:57:39,746 INFO L264 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 18:57:39,749 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:57:39,898 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 18:57:39,898 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:57:39,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:57:40,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:57:40,271 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 18:57:40,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602980795] [2019-12-07 18:57:40,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:57:40,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 18:57:40,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594146287] [2019-12-07 18:57:40,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 18:57:40,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:57:40,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 18:57:40,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 18:57:40,274 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 12 states. [2019-12-07 18:57:41,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:57:41,914 INFO L93 Difference]: Finished difference Result 171 states and 238 transitions. [2019-12-07 18:57:41,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:57:41,915 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-12-07 18:57:41,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:57:41,916 INFO L225 Difference]: With dead ends: 171 [2019-12-07 18:57:41,916 INFO L226 Difference]: Without dead ends: 76 [2019-12-07 18:57:41,918 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-12-07 18:57:41,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-12-07 18:57:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-12-07 18:57:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 18:57:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2019-12-07 18:57:41,927 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 13 [2019-12-07 18:57:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:57:41,928 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2019-12-07 18:57:41,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 18:57:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2019-12-07 18:57:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 18:57:41,928 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:41,929 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:57:42,129 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:57:42,129 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:42,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:42,130 INFO L82 PathProgramCache]: Analyzing trace with hash -640703133, now seen corresponding path program 1 times [2019-12-07 18:57:42,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:57:42,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144540000] [2019-12-07 18:57:42,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 18:57:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:43,393 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:57:43,393 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:57:43,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:57:43,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:57:43 BoogieIcfgContainer [2019-12-07 18:57:43,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:57:43,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:57:43,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:57:43,655 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:57:43,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:38" (3/4) ... [2019-12-07 18:57:43,657 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 18:57:43,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_27208183-51a9-495a-8fda-34b0f581ced4/bin/uautomizer/witness.graphml [2019-12-07 18:57:43,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:57:43,709 INFO L168 Benchmark]: Toolchain (without parser) took 40761.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 953.7 MB in the beginning and 853.9 MB in the end (delta: 99.9 MB). Peak memory consumption was 217.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:43,709 INFO L168 Benchmark]: CDTParser took 0.13 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 18:57:43,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:43,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.85 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 18:57:43,710 INFO L168 Benchmark]: Boogie Preprocessor took 44.48 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:43,710 INFO L168 Benchmark]: RCFGBuilder took 35386.69 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: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:43,710 INFO L168 Benchmark]: TraceAbstraction took 4956.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 860.7 MB in the end (delta: 151.0 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:43,711 INFO L168 Benchmark]: Witness Printer took 52.35 ms. Allocated memory is still 1.1 GB. Free memory was 860.7 MB in the beginning and 853.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:43,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 274.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.85 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 44.48 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 35386.69 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: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4956.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 860.7 MB in the end (delta: 151.0 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. * Witness Printer took 52.35 ms. Allocated memory is still 1.1 GB. Free memory was 860.7 MB in the beginning and 853.9 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: 268]: 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] [L263] double x = 0.0; [L264] double 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 FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) 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] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 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] [L168] COND FALSE !((iy | ly) == 0) 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] [L180] COND TRUE (ix | lx) == 0 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] [L181] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 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] [L181] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L265] double res = __ieee754_atan2(y, x); [L267] EXPR res == 0.0 && __signbit_double(res) == 0 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] [L267] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L268] __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, 118 locations, 1 error locations. Result: UNSAFE, OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 741 SDslu, 12 SDs, 0 SdLazy, 28 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 13 QuantifiedInterpolants, 5360 SizeOfPredicates, 16 NumberOfNonLiveVariables, 230 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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...