./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/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 3e7d0b868b35716dc1f516fc758062372899bb27 ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/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 3e7d0b868b35716dc1f516fc758062372899bb27 ............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:27:17,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:27:17,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:27:17,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:27:17,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:27:17,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:27:17,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:27:17,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:27:17,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:27:17,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:27:17,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:27:17,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:27:17,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:27:17,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:27:17,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:27:17,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:27:17,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:27:17,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:27:17,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:27:17,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:27:17,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:27:17,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:27:17,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:27:17,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:27:17,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:27:17,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:27:17,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:27:17,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:27:17,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:27:17,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:27:17,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:27:17,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:27:17,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:27:17,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:27:17,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:27:17,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:27:17,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:27:17,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:27:17,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:27:17,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:27:17,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:27:17,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:27:17,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:27:17,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:27:17,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:27:17,702 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:27:17,703 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:27:17,703 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:27:17,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:27:17,703 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:27:17,703 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:27:17,703 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:27:17,703 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:27:17,703 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:27:17,703 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:27:17,704 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:27:17,704 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:27:17,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:27:17,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:27:17,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:27:17,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:27:17,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:27:17,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:27:17,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:27:17,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:27:17,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:27:17,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:27:17,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:27:17,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:27:17,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:27:17,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:27:17,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:27:17,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:27:17,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:27:17,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:27:17,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:27:17,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:27:17,706 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:27:17,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:27:17,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:27:17,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:27:17,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:27:17,707 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_66205a8d-635b-4526-a1ea-1960cb9a5bde/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 -> 3e7d0b868b35716dc1f516fc758062372899bb27 [2019-12-07 20:27:17,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:27:17,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:27:17,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:27:17,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:27:17,822 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:27:17,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-07 20:27:17,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data/66190d3ee/1a4bc6e4fcb343adaff5bde0af518d86/FLAGbe020c5ca [2019-12-07 20:27:18,231 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:27:18,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-07 20:27:18,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data/66190d3ee/1a4bc6e4fcb343adaff5bde0af518d86/FLAGbe020c5ca [2019-12-07 20:27:18,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data/66190d3ee/1a4bc6e4fcb343adaff5bde0af518d86 [2019-12-07 20:27:18,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:27:18,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:27:18,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:27:18,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:27:18,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:27:18,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b24a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18, skipping insertion in model container [2019-12-07 20:27:18,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:27:18,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:27:18,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:27:18,468 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:27:18,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:27:18,522 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:27:18,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18 WrapperNode [2019-12-07 20:27:18,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:27:18,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:27:18,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:27:18,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:27:18,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:27:18,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:27:18,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:27:18,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:27:18,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... [2019-12-07 20:27:18,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:27:18,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:27:18,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:27:18,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:27:18,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/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 20:27:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:27:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:27:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:27:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:27:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:27:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:27:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:27:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 20:27:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:27:19,190 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:27:19,190 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 20:27:19,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:27:19 BoogieIcfgContainer [2019-12-07 20:27:19,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:27:19,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:27:19,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:27:19,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:27:19,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:27:18" (1/3) ... [2019-12-07 20:27:19,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5894885c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:27:19, skipping insertion in model container [2019-12-07 20:27:19,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:18" (2/3) ... [2019-12-07 20:27:19,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5894885c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:27:19, skipping insertion in model container [2019-12-07 20:27:19,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:27:19" (3/3) ... [2019-12-07 20:27:19,196 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2019-12-07 20:27:19,202 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:27:19,207 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:27:19,215 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:27:19,230 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:27:19,231 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:27:19,231 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:27:19,231 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:27:19,231 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:27:19,231 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:27:19,231 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:27:19,231 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:27:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 20:27:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:27:19,246 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:27:19,247 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:27:19,247 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:27:19,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:27:19,251 INFO L82 PathProgramCache]: Analyzing trace with hash -703808070, now seen corresponding path program 1 times [2019-12-07 20:27:19,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:27:19,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354576716] [2019-12-07 20:27:19,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:27:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:27:19,350 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 20:27:19,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354576716] [2019-12-07 20:27:19,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:27:19,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:27:19,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449846970] [2019-12-07 20:27:19,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:27:19,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:27:19,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:27:19,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:27:19,366 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2019-12-07 20:27:19,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:27:19,383 INFO L93 Difference]: Finished difference Result 166 states and 283 transitions. [2019-12-07 20:27:19,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:27:19,384 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 20:27:19,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:27:19,391 INFO L225 Difference]: With dead ends: 166 [2019-12-07 20:27:19,391 INFO L226 Difference]: Without dead ends: 81 [2019-12-07 20:27:19,394 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 20:27:19,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-12-07 20:27:19,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-12-07 20:27:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 20:27:19,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2019-12-07 20:27:19,420 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 10 [2019-12-07 20:27:19,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:27:19,420 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2019-12-07 20:27:19,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:27:19,420 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2019-12-07 20:27:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 20:27:19,421 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:27:19,421 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:27:19,421 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:27:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:27:19,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2034900675, now seen corresponding path program 1 times [2019-12-07 20:27:19,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:27:19,421 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520618175] [2019-12-07 20:27:19,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:27:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:27:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:27:19,510 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:27:19,510 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:27:19,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:27:19 BoogieIcfgContainer [2019-12-07 20:27:19,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:27:19,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:27:19,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:27:19,537 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:27:19,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:27:19" (3/4) ... [2019-12-07 20:27:19,539 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:27:19,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:27:19,541 INFO L168 Benchmark]: Toolchain (without parser) took 1292.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 941.5 MB in the beginning and 965.0 MB in the end (delta: -23.5 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:27:19,541 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:27:19,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:27:19,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.60 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 20:27:19,542 INFO L168 Benchmark]: Boogie Preprocessor took 42.06 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 20:27:19,543 INFO L168 Benchmark]: RCFGBuilder took 585.82 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: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:27:19,543 INFO L168 Benchmark]: TraceAbstraction took 344.35 ms. Allocated memory is still 1.1 GB. Free memory was 998.3 MB in the beginning and 965.0 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:27:19,544 INFO L168 Benchmark]: Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 965.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:27:19,546 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 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.06 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 585.82 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: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 344.35 ms. Allocated memory is still 1.1 GB. Free memory was 998.3 MB in the beginning and 965.0 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 965.0 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 20:27:20,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:27:20,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:27:20,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:27:20,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:27:20,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:27:20,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:27:20,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:27:20,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:27:20,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:27:20,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:27:20,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:27:20,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:27:20,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:27:20,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:27:20,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:27:20,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:27:20,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:27:20,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:27:20,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:27:20,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:27:20,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:27:20,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:27:20,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:27:20,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:27:20,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:27:20,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:27:20,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:27:20,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:27:20,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:27:20,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:27:20,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:27:20,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:27:20,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:27:20,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:27:20,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:27:20,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:27:20,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:27:20,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:27:20,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:27:20,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:27:20,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:27:20,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:27:20,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:27:20,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:27:20,926 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:27:20,926 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:27:20,926 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:27:20,926 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:27:20,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:27:20,926 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:27:20,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:27:20,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:27:20,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:27:20,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:27:20,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:27:20,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:27:20,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:27:20,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:27:20,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:27:20,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:27:20,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:27:20,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:27:20,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:27:20,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:27:20,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:27:20,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:27:20,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:27:20,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:27:20,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:27:20,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:27:20,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:27:20,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:27:20,930 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:27:20,930 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:27:20,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:27:20,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:27:20,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:27:20,931 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_66205a8d-635b-4526-a1ea-1960cb9a5bde/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 -> 3e7d0b868b35716dc1f516fc758062372899bb27 [2019-12-07 20:27:21,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:27:21,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:27:21,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:27:21,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:27:21,102 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:27:21,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-07 20:27:21,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data/b2c882f0d/fb17afe2dbec435eb347363f8737c8b3/FLAG1ce346881 [2019-12-07 20:27:21,533 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:27:21,533 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-07 20:27:21,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data/b2c882f0d/fb17afe2dbec435eb347363f8737c8b3/FLAG1ce346881 [2019-12-07 20:27:21,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/data/b2c882f0d/fb17afe2dbec435eb347363f8737c8b3 [2019-12-07 20:27:21,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:27:21,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:27:21,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:27:21,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:27:21,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:27:21,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:27:21" (1/1) ... [2019-12-07 20:27:21,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453566ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:21, skipping insertion in model container [2019-12-07 20:27:21,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:27:21" (1/1) ... [2019-12-07 20:27:21,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:27:21,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:27:22,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:27:22,100 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:27:22,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:27:22,194 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:27:22,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22 WrapperNode [2019-12-07 20:27:22,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:27:22,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:27:22,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:27:22,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:27:22,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:27:22,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:27:22,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:27:22,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:27:22,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... [2019-12-07 20:27:22,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:27:22,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:27:22,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:27:22,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:27:22,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/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 20:27:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 20:27:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 20:27:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:27:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 20:27:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:27:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:27:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:27:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:27:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:27:58,783 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:27:58,784 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 20:27:58,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:27:58 BoogieIcfgContainer [2019-12-07 20:27:58,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:27:58,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:27:58,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:27:58,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:27:58,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:27:21" (1/3) ... [2019-12-07 20:27:58,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393f8b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:27:58, skipping insertion in model container [2019-12-07 20:27:58,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:27:22" (2/3) ... [2019-12-07 20:27:58,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393f8b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:27:58, skipping insertion in model container [2019-12-07 20:27:58,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:27:58" (3/3) ... [2019-12-07 20:27:58,789 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2019-12-07 20:27:58,795 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:27:58,800 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:27:58,807 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:27:58,823 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:27:58,823 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:27:58,823 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:27:58,823 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:27:58,824 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:27:58,824 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:27:58,824 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:27:58,824 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:27:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 20:27:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 20:27:58,839 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:27:58,840 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:27:58,840 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:27:58,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:27:58,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 20:27:58,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:27:58,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136229138] [2019-12-07 20:27:58,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/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 20:27:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:27:59,167 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:27:59,170 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:27:59,180 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 20:27:59,180 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:27:59,182 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 20:27:59,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136229138] [2019-12-07 20:27:59,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:27:59,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:27:59,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239770182] [2019-12-07 20:27:59,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:27:59,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:27:59,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:27:59,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:27:59,198 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 20:27:59,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:27:59,218 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 20:27:59,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:27:59,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 20:27:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:27:59,227 INFO L225 Difference]: With dead ends: 227 [2019-12-07 20:27:59,228 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 20:27:59,230 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 20:27:59,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 20:27:59,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 20:27:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 20:27:59,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 20:27:59,260 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 20:27:59,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:27:59,260 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 20:27:59,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:27:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 20:27:59,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 20:27:59,261 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:27:59,261 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:27:59,461 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:27:59,462 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:27:59,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:27:59,463 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 20:27:59,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:27:59,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471318598] [2019-12-07 20:27:59,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/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 20:28:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:28:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:28:00,698 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:28:00,699 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:28:00,900 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:28:00,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:28:00 BoogieIcfgContainer [2019-12-07 20:28:00,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:28:00,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:28:00,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:28:00,960 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:28:00,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:27:58" (3/4) ... [2019-12-07 20:28:00,961 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 20:28:01,006 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_66205a8d-635b-4526-a1ea-1960cb9a5bde/bin/utaipan/witness.graphml [2019-12-07 20:28:01,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:28:01,007 INFO L168 Benchmark]: Toolchain (without parser) took 39094.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.4 MB in the beginning and 947.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 131.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:01,008 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 20:28:01,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:01,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.75 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 20:28:01,009 INFO L168 Benchmark]: Boogie Preprocessor took 48.59 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 20:28:01,009 INFO L168 Benchmark]: RCFGBuilder took 36496.87 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: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:01,009 INFO L168 Benchmark]: TraceAbstraction took 2174.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 954.0 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:01,010 INFO L168 Benchmark]: Witness Printer took 46.84 ms. Allocated memory is still 1.2 GB. Free memory was 954.0 MB in the beginning and 947.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:28:01,011 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 280.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.75 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. * Boogie Preprocessor took 48.59 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. * RCFGBuilder took 36496.87 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: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2174.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 954.0 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. * Witness Printer took 46.84 ms. Allocated memory is still 1.2 GB. Free memory was 954.0 MB in the beginning and 947.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 260]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L251] double x = -0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L260] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...