./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.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_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/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 516e79809fe70e7ecdc6c9a291a13d34f08e7bb9 ............................................................................................................................................................................................................................................................................................................................................................................................... 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_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/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 516e79809fe70e7ecdc6c9a291a13d34f08e7bb9 ................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:42:16,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:42:16,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:42:16,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:42:16,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:42:16,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:42:16,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:42:16,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:42:16,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:42:16,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:42:16,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:42:16,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:42:16,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:42:16,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:42:16,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:42:16,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:42:16,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:42:16,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:42:16,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:42:16,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:42:16,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:42:16,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:42:16,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:42:16,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:42:16,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:42:16,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:42:16,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:42:16,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:42:16,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:42:16,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:42:16,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:42:16,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:42:16,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:42:16,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:42:16,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:42:16,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:42:16,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:42:16,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:42:16,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:42:16,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:42:16,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:42:16,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:42:16,809 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:42:16,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:42:16,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:42:16,810 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:42:16,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:42:16,810 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:42:16,811 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:42:16,811 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:42:16,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:42:16,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:42:16,811 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:42:16,811 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:42:16,811 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:42:16,811 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:42:16,812 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:42:16,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:42:16,812 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:42:16,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:42:16,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:42:16,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:42:16,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:42:16,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:42:16,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:42:16,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:42:16,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:42:16,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:42:16,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:42:16,814 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:42:16,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:42:16,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:42:16,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:42:16,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:42:16,815 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_fe22f2bc-44f2-44e2-b6c7-48676624af95/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 -> 516e79809fe70e7ecdc6c9a291a13d34f08e7bb9 [2019-12-07 21:42:16,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:42:16,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:42:16,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:42:16,928 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:42:16,928 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:42:16,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2019-12-07 21:42:16,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data/49639073a/0b824217f1104ab6a99eb88f0db0711e/FLAGa6e446181 [2019-12-07 21:42:17,399 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:42:17,400 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2019-12-07 21:42:17,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data/49639073a/0b824217f1104ab6a99eb88f0db0711e/FLAGa6e446181 [2019-12-07 21:42:17,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data/49639073a/0b824217f1104ab6a99eb88f0db0711e [2019-12-07 21:42:17,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:42:17,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:42:17,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:42:17,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:42:17,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:42:17,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f9695c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17, skipping insertion in model container [2019-12-07 21:42:17,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:42:17,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:42:17,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:42:17,631 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:42:17,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:42:17,685 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:42:17,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17 WrapperNode [2019-12-07 21:42:17,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:42:17,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:42:17,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:42:17,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:42:17,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:42:17,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:42:17,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:42:17,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:42:17,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... [2019-12-07 21:42:17,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:42:17,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:42:17,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:42:17,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:42:17,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/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 21:42:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:42:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 21:42:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 21:42:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 21:42:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:42:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:42:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 21:42:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 21:42:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:42:18,424 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:42:18,424 INFO L287 CfgBuilder]: Removed 56 assume(true) statements. [2019-12-07 21:42:18,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:42:18 BoogieIcfgContainer [2019-12-07 21:42:18,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:42:18,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:42:18,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:42:18,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:42:18,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:42:17" (1/3) ... [2019-12-07 21:42:18,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4a78be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:42:18, skipping insertion in model container [2019-12-07 21:42:18,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:17" (2/3) ... [2019-12-07 21:42:18,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4a78be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:42:18, skipping insertion in model container [2019-12-07 21:42:18,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:42:18" (3/3) ... [2019-12-07 21:42:18,430 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2019-12-07 21:42:18,436 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:42:18,441 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:42:18,449 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:42:18,465 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:42:18,466 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:42:18,466 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:42:18,466 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:42:18,466 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:42:18,466 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:42:18,466 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:42:18,466 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:42:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-12-07 21:42:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 21:42:18,481 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:42:18,481 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:42:18,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:42:18,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:42:18,485 INFO L82 PathProgramCache]: Analyzing trace with hash -659787863, now seen corresponding path program 1 times [2019-12-07 21:42:18,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:42:18,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294167894] [2019-12-07 21:42:18,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:42:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:42:18,585 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 21:42:18,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294167894] [2019-12-07 21:42:18,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:42:18,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 21:42:18,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778390386] [2019-12-07 21:42:18,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:42:18,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:42:18,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:42:18,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:42:18,601 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 2 states. [2019-12-07 21:42:18,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:42:18,620 INFO L93 Difference]: Finished difference Result 189 states and 323 transitions. [2019-12-07 21:42:18,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:42:18,621 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-07 21:42:18,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:42:18,628 INFO L225 Difference]: With dead ends: 189 [2019-12-07 21:42:18,629 INFO L226 Difference]: Without dead ends: 92 [2019-12-07 21:42:18,631 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 21:42:18,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-12-07 21:42:18,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-12-07 21:42:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 21:42:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 123 transitions. [2019-12-07 21:42:18,659 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 123 transitions. Word has length 14 [2019-12-07 21:42:18,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:42:18,659 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 123 transitions. [2019-12-07 21:42:18,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:42:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2019-12-07 21:42:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 21:42:18,660 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:42:18,660 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:42:18,660 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:42:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:42:18,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1893719531, now seen corresponding path program 1 times [2019-12-07 21:42:18,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:42:18,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782484920] [2019-12-07 21:42:18,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:42:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:42:18,729 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 21:42:18,729 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782484920] [2019-12-07 21:42:18,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:42:18,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 21:42:18,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987488650] [2019-12-07 21:42:18,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:42:18,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:42:18,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:42:18,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:42:18,732 INFO L87 Difference]: Start difference. First operand 92 states and 123 transitions. Second operand 3 states. [2019-12-07 21:42:18,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:42:18,758 INFO L93 Difference]: Finished difference Result 176 states and 237 transitions. [2019-12-07 21:42:18,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:42:18,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 21:42:18,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:42:18,761 INFO L225 Difference]: With dead ends: 176 [2019-12-07 21:42:18,761 INFO L226 Difference]: Without dead ends: 92 [2019-12-07 21:42:18,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:42:18,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-12-07 21:42:18,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-12-07 21:42:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 21:42:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2019-12-07 21:42:18,771 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 122 transitions. Word has length 17 [2019-12-07 21:42:18,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:42:18,772 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 122 transitions. [2019-12-07 21:42:18,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:42:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2019-12-07 21:42:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 21:42:18,773 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:42:18,773 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:42:18,773 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:42:18,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:42:18,773 INFO L82 PathProgramCache]: Analyzing trace with hash -777725784, now seen corresponding path program 1 times [2019-12-07 21:42:18,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:42:18,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968866513] [2019-12-07 21:42:18,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:42:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:42:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:42:18,943 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 21:42:18,944 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:42:18,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:42:18 BoogieIcfgContainer [2019-12-07 21:42:18,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:42:18,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:42:18,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:42:18,979 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:42:18,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:42:18" (3/4) ... [2019-12-07 21:42:18,982 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 21:42:18,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:42:18,983 INFO L168 Benchmark]: Toolchain (without parser) took 1565.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 946.2 MB in the beginning and 930.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:42:18,984 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:42:18,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:42:18,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.34 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 21:42:18,985 INFO L168 Benchmark]: Boogie Preprocessor took 43.15 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 21:42:18,986 INFO L168 Benchmark]: RCFGBuilder took 652.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.0 MB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:42:18,986 INFO L168 Benchmark]: TraceAbstraction took 552.71 ms. Allocated memory is still 1.1 GB. Free memory was 990.0 MB in the beginning and 930.9 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:42:18,986 INFO L168 Benchmark]: Witness Printer took 3.43 ms. Allocated memory is still 1.1 GB. Free memory is still 930.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:42:18,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.34 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 43.15 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. * RCFGBuilder took 652.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.0 MB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 552.71 ms. Allocated memory is still 1.1 GB. Free memory was 990.0 MB in the beginning and 930.9 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.43 ms. Allocated memory is still 1.1 GB. Free memory is still 930.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 298]: 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 297. 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; [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L292] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L292] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L292] COND TRUE isinf_double(x) && isfinite_double(y) && 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={6:0}, atanlo_atan={3:0}, 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={6:0}, atanlo_atan={3:0}, 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={6:0}, atanlo_atan={3:0}, 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={6:0}, atanlo_atan={3:0}, 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] [L294] double res = __ieee754_atan2(y, x); [L297] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L297] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L298] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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, 95 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 0 SDslu, 117 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 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 21:42:20,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:42:20,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:42:20,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:42:20,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:42:20,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:42:20,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:42:20,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:42:20,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:42:20,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:42:20,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:42:20,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:42:20,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:42:20,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:42:20,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:42:20,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:42:20,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:42:20,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:42:20,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:42:20,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:42:20,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:42:20,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:42:20,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:42:20,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:42:20,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:42:20,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:42:20,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:42:20,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:42:20,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:42:20,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:42:20,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:42:20,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:42:20,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:42:20,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:42:20,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:42:20,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:42:20,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:42:20,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:42:20,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:42:20,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:42:20,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:42:20,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:42:20,373 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:42:20,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:42:20,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:42:20,374 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:42:20,374 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:42:20,374 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:42:20,375 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:42:20,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:42:20,375 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:42:20,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:42:20,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:42:20,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:42:20,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:42:20,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:42:20,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:42:20,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:42:20,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:42:20,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:42:20,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:42:20,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:42:20,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:42:20,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:42:20,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:42:20,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:42:20,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:42:20,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:42:20,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:42:20,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:42:20,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:42:20,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:42:20,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:42:20,378 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:42:20,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:42:20,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:42:20,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:42:20,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:42:20,379 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_fe22f2bc-44f2-44e2-b6c7-48676624af95/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 -> 516e79809fe70e7ecdc6c9a291a13d34f08e7bb9 [2019-12-07 21:42:20,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:42:20,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:42:20,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:42:20,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:42:20,556 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:42:20,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2019-12-07 21:42:20,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data/f8d1b4100/5a99769e63714f4988d70ee6409caf91/FLAGce9e5089c [2019-12-07 21:42:21,095 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:42:21,095 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2019-12-07 21:42:21,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data/f8d1b4100/5a99769e63714f4988d70ee6409caf91/FLAGce9e5089c [2019-12-07 21:42:21,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/data/f8d1b4100/5a99769e63714f4988d70ee6409caf91 [2019-12-07 21:42:21,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:42:21,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:42:21,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:42:21,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:42:21,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:42:21,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b897a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21, skipping insertion in model container [2019-12-07 21:42:21,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:42:21,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:42:21,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:42:21,290 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:42:21,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:42:21,392 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:42:21,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21 WrapperNode [2019-12-07 21:42:21,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:42:21,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:42:21,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:42:21,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:42:21,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:42:21,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:42:21,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:42:21,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:42:21,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... [2019-12-07 21:42:21,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:42:21,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:42:21,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:42:21,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:42:21,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/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 21:42:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 21:42:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 21:42:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:42:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 21:42:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 21:42:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:42:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:42:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 21:42:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:42:57,607 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:42:57,607 INFO L287 CfgBuilder]: Removed 56 assume(true) statements. [2019-12-07 21:42:57,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:42:57 BoogieIcfgContainer [2019-12-07 21:42:57,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:42:57,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:42:57,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:42:57,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:42:57,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:42:21" (1/3) ... [2019-12-07 21:42:57,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ea4adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:42:57, skipping insertion in model container [2019-12-07 21:42:57,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:21" (2/3) ... [2019-12-07 21:42:57,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ea4adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:42:57, skipping insertion in model container [2019-12-07 21:42:57,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:42:57" (3/3) ... [2019-12-07 21:42:57,614 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2019-12-07 21:42:57,620 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:42:57,625 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:42:57,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:42:57,653 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:42:57,653 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:42:57,653 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:42:57,653 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:42:57,654 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:42:57,654 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:42:57,654 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:42:57,654 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:42:57,665 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 21:42:57,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 21:42:57,670 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:42:57,670 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:42:57,670 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:42:57,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:42:57,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2019-12-07 21:42:57,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:42:57,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387792349] [2019-12-07 21:42:57,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/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 21:42:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:42:58,023 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:42:58,027 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:42:58,037 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 21:42:58,038 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:42:58,041 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 21:42:58,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387792349] [2019-12-07 21:42:58,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:42:58,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:42:58,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213203002] [2019-12-07 21:42:58,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:42:58,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:42:58,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:42:58,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:42:58,058 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 21:42:58,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:42:58,080 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2019-12-07 21:42:58,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:42:58,081 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 21:42:58,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:42:58,089 INFO L225 Difference]: With dead ends: 256 [2019-12-07 21:42:58,089 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 21:42:58,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 21:42:58,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 21:42:58,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 21:42:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 21:42:58,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2019-12-07 21:42:58,122 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2019-12-07 21:42:58,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:42:58,122 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2019-12-07 21:42:58,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:42:58,122 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2019-12-07 21:42:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 21:42:58,123 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:42:58,123 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:42:58,323 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:42:58,324 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:42:58,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:42:58,325 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2019-12-07 21:42:58,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:42:58,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772700912] [2019-12-07 21:42:58,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/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 21:42:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:42:58,761 INFO L264 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:42:58,763 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:42:58,775 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 21:42:58,775 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:42:58,778 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 21:42:58,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772700912] [2019-12-07 21:42:58,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:42:58,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:42:58,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958674798] [2019-12-07 21:42:58,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:42:58,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:42:58,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:42:58,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:42:58,782 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2019-12-07 21:42:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:42:58,824 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2019-12-07 21:42:58,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:42:58,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 21:42:58,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:42:58,826 INFO L225 Difference]: With dead ends: 239 [2019-12-07 21:42:58,826 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 21:42:58,827 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:42:58,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 21:42:58,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 21:42:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 21:42:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2019-12-07 21:42:58,835 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2019-12-07 21:42:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:42:58,835 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2019-12-07 21:42:58,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:42:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2019-12-07 21:42:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 21:42:58,836 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:42:58,836 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:42:59,037 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:42:59,038 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:42:59,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:42:59,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2019-12-07 21:42:59,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:42:59,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418287541] [2019-12-07 21:42:59,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 21:42:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:43:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:43:00,828 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 21:43:00,828 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:43:01,028 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:43:01,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:43:01 BoogieIcfgContainer [2019-12-07 21:43:01,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:43:01,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:43:01,100 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:43:01,100 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:43:01,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:42:57" (3/4) ... [2019-12-07 21:43:01,102 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 21:43:01,160 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fe22f2bc-44f2-44e2-b6c7-48676624af95/bin/utaipan/witness.graphml [2019-12-07 21:43:01,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:43:01,162 INFO L168 Benchmark]: Toolchain (without parser) took 40049.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 952.4 MB in the beginning and 882.9 MB in the end (delta: 69.5 MB). Peak memory consumption was 192.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:43:01,162 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:43:01,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:43:01,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.72 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:43:01,163 INFO L168 Benchmark]: Boogie Preprocessor took 46.67 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:43:01,164 INFO L168 Benchmark]: RCFGBuilder took 36124.73 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: 89.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:43:01,164 INFO L168 Benchmark]: TraceAbstraction took 3490.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 889.8 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:43:01,164 INFO L168 Benchmark]: Witness Printer took 60.54 ms. Allocated memory is still 1.2 GB. Free memory was 889.8 MB in the beginning and 882.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:43:01,166 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.72 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.67 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 36124.73 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: 89.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3490.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 889.8 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. * Witness Printer took 60.54 ms. Allocated memory is still 1.2 GB. Free memory was 889.8 MB in the beginning and 882.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 298]: 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] [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; 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] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); 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] [L292] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; 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] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); 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] [L292] EXPR isinf_double(x) && isfinite_double(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] [L292] COND TRUE isinf_double(x) && isfinite_double(y) && 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] [L294] double res = __ieee754_atan2(y, x); [L297] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L297] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L298] __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, 129 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...