./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.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_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/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 201a5d6458c151e9fb4933ccfe2d7ea552ed2537 .................................................................................................................................................................................................................................................................................................................................. 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_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/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 201a5d6458c151e9fb4933ccfe2d7ea552ed2537 ............................................................................................................................................................................................................................................................................................................................................ 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 21:23:23,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:23:23,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:23:23,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:23:23,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:23:23,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:23:23,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:23:23,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:23:23,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:23:23,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:23:23,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:23:23,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:23:23,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:23:23,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:23:23,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:23:23,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:23:23,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:23:23,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:23:23,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:23:23,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:23:23,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:23:23,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:23:23,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:23:23,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:23:23,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:23:23,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:23:23,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:23:23,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:23:23,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:23:23,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:23:23,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:23:23,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:23:23,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:23:23,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:23:23,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:23:23,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:23:23,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:23:23,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:23:23,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:23:23,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:23:23,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:23:23,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:23:23,946 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:23:23,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:23:23,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:23:23,946 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:23:23,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:23:23,947 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:23:23,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:23:23,947 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:23:23,947 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:23:23,947 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:23:23,947 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:23:23,947 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:23:23,947 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:23:23,947 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:23:23,948 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:23:23,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:23:23,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:23:23,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:23:23,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:23:23,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:23:23,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:23:23,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:23:23,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:23:23,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:23:23,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:23:23,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:23:23,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:23:23,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:23:23,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:23:23,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:23:23,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:23:23,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:23:23,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:23:23,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:23:23,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:23:23,950 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:23:23,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:23:23,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:23:23,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:23:23,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:23:23,951 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_23068ddf-0918-4df6-a73f-43c71c43686e/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 -> 201a5d6458c151e9fb4933ccfe2d7ea552ed2537 [2019-12-07 21:23:24,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:23:24,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:23:24,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:23:24,066 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:23:24,066 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:23:24,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2019-12-07 21:23:24,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data/59f04908b/bd29a664c1824998800280d6982594a5/FLAG2d351e55d [2019-12-07 21:23:24,466 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:23:24,467 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2019-12-07 21:23:24,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data/59f04908b/bd29a664c1824998800280d6982594a5/FLAG2d351e55d [2019-12-07 21:23:24,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data/59f04908b/bd29a664c1824998800280d6982594a5 [2019-12-07 21:23:24,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:23:24,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:23:24,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:23:24,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:23:24,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:23:24,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1d1bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24, skipping insertion in model container [2019-12-07 21:23:24,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:23:24,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:23:24,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:23:24,685 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:23:24,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:23:24,741 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:23:24,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24 WrapperNode [2019-12-07 21:23:24,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:23:24,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:23:24,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:23:24,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:23:24,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:23:24,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:23:24,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:23:24,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:23:24,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... [2019-12-07 21:23:24,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:23:24,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:23:24,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:23:24,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:23:24,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/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 21:23:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:23:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 21:23:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 21:23:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 21:23:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:23:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:23:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 21:23:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 21:23:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:23:25,408 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:23:25,408 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 21:23:25,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:23:25 BoogieIcfgContainer [2019-12-07 21:23:25,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:23:25,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:23:25,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:23:25,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:23:25,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:23:24" (1/3) ... [2019-12-07 21:23:25,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141e8979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:23:25, skipping insertion in model container [2019-12-07 21:23:25,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:24" (2/3) ... [2019-12-07 21:23:25,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141e8979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:23:25, skipping insertion in model container [2019-12-07 21:23:25,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:23:25" (3/3) ... [2019-12-07 21:23:25,414 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2019-12-07 21:23:25,420 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:23:25,425 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:23:25,432 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:23:25,448 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:23:25,448 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:23:25,448 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:23:25,448 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:23:25,448 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:23:25,448 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:23:25,448 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:23:25,448 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:23:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-12-07 21:23:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 21:23:25,463 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:23:25,464 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:23:25,464 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:23:25,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:23:25,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1657939440, now seen corresponding path program 1 times [2019-12-07 21:23:25,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:23:25,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974798036] [2019-12-07 21:23:25,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:23:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:23:25,574 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 21:23:25,575 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974798036] [2019-12-07 21:23:25,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:23:25,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 21:23:25,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548847468] [2019-12-07 21:23:25,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:23:25,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:23:25,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:23:25,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:23:25,589 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2019-12-07 21:23:25,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:23:25,607 INFO L93 Difference]: Finished difference Result 163 states and 279 transitions. [2019-12-07 21:23:25,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:23:25,608 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 21:23:25,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:23:25,615 INFO L225 Difference]: With dead ends: 163 [2019-12-07 21:23:25,616 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 21:23:25,618 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 21:23:25,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 21:23:25,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-12-07 21:23:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 21:23:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2019-12-07 21:23:25,644 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 9 [2019-12-07 21:23:25,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:23:25,644 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2019-12-07 21:23:25,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:23:25,645 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2019-12-07 21:23:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 21:23:25,645 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:23:25,645 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:23:25,645 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:23:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:23:25,645 INFO L82 PathProgramCache]: Analyzing trace with hash -57311943, now seen corresponding path program 1 times [2019-12-07 21:23:25,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:23:25,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984308517] [2019-12-07 21:23:25,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:23:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:23:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:23:25,742 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 21:23:25,742 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:23:25,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:23:25 BoogieIcfgContainer [2019-12-07 21:23:25,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:23:25,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:23:25,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:23:25,767 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:23:25,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:23:25" (3/4) ... [2019-12-07 21:23:25,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 21:23:25,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:23:25,772 INFO L168 Benchmark]: Toolchain (without parser) took 1288.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 946.1 MB in the beginning and 949.2 MB in the end (delta: -3.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:25,772 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:23:25,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:25,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.87 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 21:23:25,773 INFO L168 Benchmark]: Boogie Preprocessor took 42.90 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 21:23:25,774 INFO L168 Benchmark]: RCFGBuilder took 580.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:25,774 INFO L168 Benchmark]: TraceAbstraction took 356.95 ms. Allocated memory is still 1.1 GB. Free memory was 986.8 MB in the beginning and 949.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:23:25,774 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 949.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:23:25,776 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.87 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 42.90 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 580.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 356.95 ms. Allocated memory is still 1.1 GB. Free memory was 986.8 MB in the beginning and 949.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 949.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 258]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 257. 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 = -1.0 / 0.0; [L252] double y = -1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={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] [L254] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != -3 * pi_o_4 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] [L258] __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, 82 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 111 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=82occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 21:23:27,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:23:27,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:23:27,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:23:27,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:23:27,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:23:27,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:23:27,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:23:27,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:23:27,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:23:27,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:23:27,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:23:27,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:23:27,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:23:27,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:23:27,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:23:27,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:23:27,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:23:27,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:23:27,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:23:27,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:23:27,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:23:27,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:23:27,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:23:27,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:23:27,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:23:27,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:23:27,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:23:27,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:23:27,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:23:27,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:23:27,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:23:27,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:23:27,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:23:27,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:23:27,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:23:27,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:23:27,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:23:27,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:23:27,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:23:27,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:23:27,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:23:27,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:23:27,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:23:27,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:23:27,288 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:23:27,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:23:27,288 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:23:27,288 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:23:27,288 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:23:27,289 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:23:27,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:23:27,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:23:27,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:23:27,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:23:27,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:23:27,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:23:27,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:23:27,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:23:27,290 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:23:27,290 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:23:27,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:23:27,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:23:27,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:23:27,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:23:27,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:23:27,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:23:27,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:23:27,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:23:27,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:23:27,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:23:27,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:23:27,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:23:27,292 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:23:27,292 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:23:27,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:23:27,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:23:27,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:23:27,292 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_23068ddf-0918-4df6-a73f-43c71c43686e/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 -> 201a5d6458c151e9fb4933ccfe2d7ea552ed2537 [2019-12-07 21:23:27,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:23:27,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:23:27,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:23:27,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:23:27,466 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:23:27,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2019-12-07 21:23:27,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data/8378aea4a/e8f38d254e9443f697b3e02c414d2a59/FLAG7458dbb8d [2019-12-07 21:23:27,870 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:23:27,870 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2019-12-07 21:23:27,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data/8378aea4a/e8f38d254e9443f697b3e02c414d2a59/FLAG7458dbb8d [2019-12-07 21:23:28,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/data/8378aea4a/e8f38d254e9443f697b3e02c414d2a59 [2019-12-07 21:23:28,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:23:28,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:23:28,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:23:28,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:23:28,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:23:28,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e95046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28, skipping insertion in model container [2019-12-07 21:23:28,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:23:28,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:23:28,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:23:28,484 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:23:28,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:23:28,591 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:23:28,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28 WrapperNode [2019-12-07 21:23:28,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:23:28,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:23:28,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:23:28,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:23:28,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:23:28,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:23:28,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:23:28,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:23:28,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... [2019-12-07 21:23:28,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:23:28,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:23:28,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:23:28,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:23:28,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/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 21:23:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 21:23:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 21:23:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:23:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 21:23:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 21:23:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:23:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:23:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 21:23:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:24:05,482 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:24:05,482 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 21:24:05,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:24:05 BoogieIcfgContainer [2019-12-07 21:24:05,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:24:05,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:24:05,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:24:05,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:24:05,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:23:28" (1/3) ... [2019-12-07 21:24:05,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f59a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:24:05, skipping insertion in model container [2019-12-07 21:24:05,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:23:28" (2/3) ... [2019-12-07 21:24:05,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f59a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:24:05, skipping insertion in model container [2019-12-07 21:24:05,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:24:05" (3/3) ... [2019-12-07 21:24:05,489 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2019-12-07 21:24:05,496 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:24:05,501 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:24:05,508 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:24:05,525 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:24:05,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:24:05,526 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:24:05,526 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:24:05,526 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:24:05,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:24:05,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:24:05,527 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:24:05,542 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 21:24:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 21:24:05,546 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:24:05,547 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:24:05,547 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:24:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:24:05,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 21:24:05,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:24:05,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901892239] [2019-12-07 21:24:05,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/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 21:24:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:24:05,996 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:24:06,000 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:24:06,010 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 21:24:06,011 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:24:06,013 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 21:24:06,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901892239] [2019-12-07 21:24:06,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:24:06,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:24:06,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141329131] [2019-12-07 21:24:06,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:24:06,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:24:06,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:24:06,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:24:06,030 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 21:24:06,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:24:06,050 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 21:24:06,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:24:06,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 21:24:06,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:24:06,060 INFO L225 Difference]: With dead ends: 224 [2019-12-07 21:24:06,060 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 21:24:06,062 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:24:06,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 21:24:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 21:24:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 21:24:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 21:24:06,092 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 21:24:06,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:24:06,092 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 21:24:06,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:24:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 21:24:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 21:24:06,093 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:24:06,093 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:24:06,294 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:24:06,295 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:24:06,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:24:06,296 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 21:24:06,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:24:06,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393478432] [2019-12-07 21:24:06,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/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 21:24:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:24:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:24:07,813 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 21:24:07,813 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:24:08,015 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:24:08,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:24:08 BoogieIcfgContainer [2019-12-07 21:24:08,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:24:08,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:24:08,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:24:08,083 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:24:08,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:24:05" (3/4) ... [2019-12-07 21:24:08,084 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 21:24:08,129 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_23068ddf-0918-4df6-a73f-43c71c43686e/bin/utaipan/witness.graphml [2019-12-07 21:24:08,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:24:08,131 INFO L168 Benchmark]: Toolchain (without parser) took 39841.91 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 951.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 126.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:24:08,131 INFO L168 Benchmark]: CDTParser took 0.17 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 21:24:08,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.75 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: -155.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:24:08,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.30 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:24:08,132 INFO L168 Benchmark]: Boogie Preprocessor took 49.39 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 21:24:08,132 INFO L168 Benchmark]: RCFGBuilder took 36796.02 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: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:24:08,132 INFO L168 Benchmark]: TraceAbstraction took 2598.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 951.0 MB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:24:08,133 INFO L168 Benchmark]: Witness Printer took 47.02 ms. Allocated memory is still 1.2 GB. Free memory is still 951.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:24:08,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 302.75 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: -155.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.30 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.39 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 36796.02 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: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2598.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 951.0 MB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.02 ms. Allocated memory is still 1.2 GB. Free memory is still 951.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 258]: 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 = -1.0 / 0.0; [L252] double y = -1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L254] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L258] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...