./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.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_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 427f5a1297639616b7c4f6533641105ea064cfe8 ................................................................................................................................................................................................................................................................................................................................... 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_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 427f5a1297639616b7c4f6533641105ea064cfe8 ............................................................................................................................................................................................................................................................................................................................................. 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 19:35:02,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:35:02,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:35:02,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:35:02,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:35:02,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:35:02,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:35:02,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:35:02,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:35:02,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:35:02,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:35:02,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:35:02,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:35:02,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:35:02,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:35:02,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:35:02,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:35:02,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:35:02,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:35:02,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:35:02,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:35:02,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:35:02,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:35:02,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:35:02,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:35:02,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:35:02,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:35:02,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:35:02,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:35:02,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:35:02,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:35:02,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:35:02,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:35:02,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:35:02,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:35:02,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:35:02,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:35:02,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:35:02,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:35:02,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:35:02,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:35:02,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:35:02,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:35:02,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:35:02,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:35:02,100 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:35:02,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:35:02,100 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:35:02,100 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:35:02,100 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:35:02,101 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:35:02,101 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:35:02,101 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:35:02,101 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:35:02,101 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:35:02,101 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:35:02,102 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:35:02,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:35:02,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:35:02,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:35:02,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:35:02,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:35:02,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:35:02,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:35:02,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:35:02,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:35:02,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:35:02,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:35:02,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:35:02,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:35:02,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:35:02,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:35:02,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:35:02,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:35:02,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:35:02,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:35:02,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:35:02,105 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:35:02,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:35:02,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:35:02,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:35:02,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:35:02,106 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan 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 -> Taipan 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 -> 427f5a1297639616b7c4f6533641105ea064cfe8 [2019-12-07 19:35:02,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:35:02,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:35:02,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:35:02,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:35:02,217 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:35:02,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2019-12-07 19:35:02,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data/224d11a65/a249818bae4e48d1a999906132fdc5b5/FLAGec5d1edea [2019-12-07 19:35:02,651 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:35:02,652 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2019-12-07 19:35:02,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data/224d11a65/a249818bae4e48d1a999906132fdc5b5/FLAGec5d1edea [2019-12-07 19:35:03,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data/224d11a65/a249818bae4e48d1a999906132fdc5b5 [2019-12-07 19:35:03,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:35:03,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:35:03,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:35:03,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:35:03,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:35:03,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa31c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03, skipping insertion in model container [2019-12-07 19:35:03,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:35:03,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:35:03,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:35:03,257 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:35:03,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:35:03,307 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:35:03,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03 WrapperNode [2019-12-07 19:35:03,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:35:03,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:35:03,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:35:03,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:35:03,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:35:03,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:35:03,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:35:03,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:35:03,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... [2019-12-07 19:35:03,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:35:03,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:35:03,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:35:03,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:35:03,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/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 19:35:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:35:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 19:35:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 19:35:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 19:35:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:35:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:35:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 19:35:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 19:35:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:35:03,943 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:35:03,943 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 19:35:03,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:35:03 BoogieIcfgContainer [2019-12-07 19:35:03,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:35:03,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:35:03,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:35:03,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:35:03,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:35:03" (1/3) ... [2019-12-07 19:35:03,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f723932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:35:03, skipping insertion in model container [2019-12-07 19:35:03,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:03" (2/3) ... [2019-12-07 19:35:03,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f723932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:35:03, skipping insertion in model container [2019-12-07 19:35:03,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:35:03" (3/3) ... [2019-12-07 19:35:03,950 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2019-12-07 19:35:03,958 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:35:03,964 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:35:03,974 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:35:03,989 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:35:03,989 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:35:03,990 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:35:03,990 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:35:03,990 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:35:03,990 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:35:03,990 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:35:03,990 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:35:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 19:35:04,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 19:35:04,005 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:35:04,006 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:35:04,006 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:35:04,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:35:04,010 INFO L82 PathProgramCache]: Analyzing trace with hash -703808070, now seen corresponding path program 1 times [2019-12-07 19:35:04,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:35:04,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453828844] [2019-12-07 19:35:04,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:35:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:35:04,110 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 19:35:04,111 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453828844] [2019-12-07 19:35:04,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:35:04,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 19:35:04,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373598757] [2019-12-07 19:35:04,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:35:04,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 19:35:04,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:35:04,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:35:04,125 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2019-12-07 19:35:04,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:35:04,143 INFO L93 Difference]: Finished difference Result 166 states and 283 transitions. [2019-12-07 19:35:04,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:35:04,144 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 19:35:04,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:35:04,151 INFO L225 Difference]: With dead ends: 166 [2019-12-07 19:35:04,152 INFO L226 Difference]: Without dead ends: 81 [2019-12-07 19:35:04,154 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 19:35:04,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-12-07 19:35:04,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-12-07 19:35:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 19:35:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2019-12-07 19:35:04,181 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 10 [2019-12-07 19:35:04,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:35:04,182 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2019-12-07 19:35:04,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:35:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2019-12-07 19:35:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 19:35:04,182 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:35:04,182 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:35:04,182 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:35:04,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:35:04,183 INFO L82 PathProgramCache]: Analyzing trace with hash 2034900675, now seen corresponding path program 1 times [2019-12-07 19:35:04,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:35:04,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664850347] [2019-12-07 19:35:04,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:35:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:35:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:35:04,282 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 19:35:04,282 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:35:04,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:35:04 BoogieIcfgContainer [2019-12-07 19:35:04,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:35:04,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:35:04,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:35:04,314 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:35:04,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:35:03" (3/4) ... [2019-12-07 19:35:04,317 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:35:04,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:35:04,319 INFO L168 Benchmark]: Toolchain (without parser) took 1267.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 946.2 MB in the beginning and 966.1 MB in the end (delta: -19.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:04,319 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:35:04,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:04,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.57 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 19:35:04,320 INFO L168 Benchmark]: Boogie Preprocessor took 38.77 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 19:35:04,321 INFO L168 Benchmark]: RCFGBuilder took 557.99 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: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:04,321 INFO L168 Benchmark]: TraceAbstraction took 368.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 966.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:04,321 INFO L168 Benchmark]: Witness Printer took 3.26 ms. Allocated memory is still 1.1 GB. Free memory is still 966.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:35:04,324 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.57 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 38.77 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 557.99 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: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 368.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 966.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.26 ms. Allocated memory is still 1.1 GB. Free memory is still 966.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L251] double x = 0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, 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={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, 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={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, 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={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -pi_o_2 VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, 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, 84 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 114 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=84occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 19:35:05,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:35:05,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:35:05,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:35:05,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:35:05,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:35:05,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:35:05,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:35:05,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:35:05,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:35:05,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:35:05,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:35:05,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:35:05,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:35:05,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:35:05,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:35:05,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:35:05,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:35:05,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:35:05,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:35:05,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:35:05,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:35:05,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:35:05,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:35:05,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:35:05,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:35:05,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:35:05,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:35:05,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:35:05,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:35:05,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:35:05,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:35:05,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:35:05,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:35:05,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:35:05,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:35:05,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:35:05,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:35:05,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:35:05,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:35:05,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:35:05,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:35:05,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:35:05,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:35:05,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:35:05,680 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:35:05,680 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:35:05,680 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:35:05,680 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:35:05,680 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:35:05,681 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:35:05,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:35:05,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:35:05,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:35:05,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:35:05,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:35:05,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:35:05,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:35:05,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:35:05,682 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:35:05,682 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:35:05,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:35:05,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:35:05,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:35:05,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:35:05,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:35:05,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:35:05,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:35:05,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:35:05,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:35:05,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:35:05,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:35:05,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:35:05,684 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:35:05,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:35:05,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:35:05,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:35:05,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:35:05,684 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_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan 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 -> Taipan 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 -> 427f5a1297639616b7c4f6533641105ea064cfe8 [2019-12-07 19:35:05,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:35:05,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:35:05,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:35:05,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:35:05,874 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:35:05,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2019-12-07 19:35:05,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data/a3171a2a1/ab9c51e3f738473faf3b296e83b76232/FLAG644843b13 [2019-12-07 19:35:06,345 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:35:06,345 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2019-12-07 19:35:06,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data/a3171a2a1/ab9c51e3f738473faf3b296e83b76232/FLAG644843b13 [2019-12-07 19:35:06,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/data/a3171a2a1/ab9c51e3f738473faf3b296e83b76232 [2019-12-07 19:35:06,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:35:06,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:35:06,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:35:06,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:35:06,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:35:06,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,366 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 07:35:06, skipping insertion in model container [2019-12-07 19:35:06,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:35:06,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:35:06,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:35:06,538 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:35:06,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:35:06,629 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:35:06,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06 WrapperNode [2019-12-07 19:35:06,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:35:06,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:35:06,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:35:06,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:35:06,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:35:06,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:35:06,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:35:06,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:35:06,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... [2019-12-07 19:35:06,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:35:06,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:35:06,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:35:06,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:35:06,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/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 19:35:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 19:35:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 19:35:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:35:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 19:35:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 19:35:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:35:06,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:35:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:35:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:35:45,201 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:35:45,202 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 19:35:45,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:35:45 BoogieIcfgContainer [2019-12-07 19:35:45,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:35:45,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:35:45,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:35:45,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:35:45,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:35:06" (1/3) ... [2019-12-07 19:35:45,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce7faf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:35:45, skipping insertion in model container [2019-12-07 19:35:45,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:35:06" (2/3) ... [2019-12-07 19:35:45,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce7faf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:35:45, skipping insertion in model container [2019-12-07 19:35:45,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:35:45" (3/3) ... [2019-12-07 19:35:45,209 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2019-12-07 19:35:45,216 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:35:45,221 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:35:45,229 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:35:45,249 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:35:45,249 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:35:45,249 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:35:45,249 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:35:45,249 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:35:45,250 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:35:45,250 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:35:45,250 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:35:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 19:35:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 19:35:45,267 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:35:45,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:35:45,268 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:35:45,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:35:45,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 19:35:45,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:35:45,281 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217865774] [2019-12-07 19:35:45,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/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 19:35:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:35:45,603 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:35:45,607 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:35:45,619 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 19:35:45,619 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:35:45,622 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 19:35:45,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217865774] [2019-12-07 19:35:45,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:35:45,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:35:45,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782445692] [2019-12-07 19:35:45,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:35:45,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:35:45,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:35:45,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:35:45,639 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 19:35:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:35:45,664 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 19:35:45,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:35:45,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 19:35:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:35:45,676 INFO L225 Difference]: With dead ends: 227 [2019-12-07 19:35:45,676 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 19:35:45,678 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 19:35:45,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 19:35:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 19:35:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 19:35:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 19:35:45,711 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 19:35:45,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:35:45,712 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 19:35:45,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:35:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 19:35:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 19:35:45,712 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:35:45,713 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:35:45,913 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:35:45,914 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:35:45,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:35:45,915 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 19:35:45,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:35:45,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050478806] [2019-12-07 19:35:45,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/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 19:35:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:35:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:35:47,201 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 19:35:47,201 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:35:47,402 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:35:47,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:35:47 BoogieIcfgContainer [2019-12-07 19:35:47,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:35:47,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:35:47,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:35:47,452 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:35:47,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:35:45" (3/4) ... [2019-12-07 19:35:47,453 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 19:35:47,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f0a21dae-650b-4aba-a0b0-3523aa8b576a/bin/utaipan/witness.graphml [2019-12-07 19:35:47,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:35:47,506 INFO L168 Benchmark]: Toolchain (without parser) took 41144.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 946.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 131.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:47,507 INFO L168 Benchmark]: CDTParser took 0.16 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 19:35:47,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:47,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:47,508 INFO L168 Benchmark]: Boogie Preprocessor took 43.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:35:47,508 INFO L168 Benchmark]: RCFGBuilder took 38486.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:47,509 INFO L168 Benchmark]: TraceAbstraction took 2247.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 953.2 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:47,509 INFO L168 Benchmark]: Witness Printer took 53.18 ms. Allocated memory is still 1.2 GB. Free memory was 953.2 MB in the beginning and 946.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:35:47,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 268.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 38486.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2247.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 953.2 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. * Witness Printer took 53.18 ms. Allocated memory is still 1.2 GB. Free memory was 953.2 MB in the beginning and 946.4 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: 260]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L251] double x = 0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L260] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...