./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/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 0cca6d33f0772631e27f925c9516a89b4af2326a .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/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 0cca6d33f0772631e27f925c9516a89b4af2326a ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:08:38,729 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:08:38,730 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:08:38,738 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:08:38,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:08:38,739 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:08:38,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:08:38,741 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:08:38,742 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:08:38,743 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:08:38,744 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:08:38,744 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:08:38,745 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:08:38,745 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:08:38,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:08:38,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:08:38,747 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:08:38,748 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:08:38,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:08:38,751 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:08:38,751 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:08:38,752 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:08:38,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:08:38,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:08:38,754 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:08:38,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:08:38,755 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:08:38,756 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:08:38,756 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:08:38,757 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:08:38,757 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:08:38,758 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:08:38,758 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:08:38,758 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:08:38,758 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:08:38,759 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:08:38,759 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:08:38,769 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:08:38,769 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:08:38,769 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:08:38,770 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:08:38,770 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:08:38,770 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:08:38,770 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:08:38,770 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:08:38,770 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:08:38,770 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:08:38,771 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:08:38,771 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:08:38,771 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:08:38,771 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:08:38,771 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:08:38,772 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:08:38,772 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:08:38,772 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:08:38,772 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:08:38,772 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:08:38,772 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:08:38,772 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:08:38,772 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:08:38,773 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:08:38,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:08:38,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:08:38,773 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:08:38,773 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:08:38,773 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:08:38,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:08:38,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:08:38,774 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:08:38,774 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:08:38,774 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:08:38,774 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:08:38,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:08:38,774 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:08:38,774 INFO L133 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/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/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 -> 0cca6d33f0772631e27f925c9516a89b4af2326a [2018-11-18 13:08:38,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:08:38,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:08:38,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:08:38,810 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:08:38,810 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:08:38,811 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b_true-unreach-call.c [2018-11-18 13:08:38,851 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data/8a666c744/d920099e3ad44b36bf900a25d3d3283e/FLAG68ddcf0dd [2018-11-18 13:08:39,266 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:08:39,267 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/sv-benchmarks/c/float-newlib/double_req_bl_0663b_true-unreach-call.c [2018-11-18 13:08:39,273 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data/8a666c744/d920099e3ad44b36bf900a25d3d3283e/FLAG68ddcf0dd [2018-11-18 13:08:39,282 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data/8a666c744/d920099e3ad44b36bf900a25d3d3283e [2018-11-18 13:08:39,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:08:39,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:08:39,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:39,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:08:39,287 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:08:39,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad4eacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39, skipping insertion in model container [2018-11-18 13:08:39,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:08:39,315 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:08:39,465 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:39,471 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:08:39,510 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:39,573 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:08:39,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39 WrapperNode [2018-11-18 13:08:39,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:39,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:39,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:08:39,574 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:08:39,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:39,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:08:39,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:08:39,599 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:08:39,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... [2018-11-18 13:08:39,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:08:39,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:08:39,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:08:39,644 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:08:39,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/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 [2018-11-18 13:08:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:08:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:08:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 13:08:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2018-11-18 13:08:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2018-11-18 13:08:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 13:08:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:08:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 13:08:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 13:08:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:08:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:08:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 13:08:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:08:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 13:08:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 13:08:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:08:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:08:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:08:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:08:40,095 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:08:40,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:40 BoogieIcfgContainer [2018-11-18 13:08:40,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:08:40,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:08:40,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:08:40,099 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:08:40,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:08:39" (1/3) ... [2018-11-18 13:08:40,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee0e492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:08:40, skipping insertion in model container [2018-11-18 13:08:40,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:39" (2/3) ... [2018-11-18 13:08:40,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee0e492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:08:40, skipping insertion in model container [2018-11-18 13:08:40,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:40" (3/3) ... [2018-11-18 13:08:40,102 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b_true-unreach-call.c [2018-11-18 13:08:40,109 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:08:40,114 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:08:40,126 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:08:40,149 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:08:40,150 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:08:40,150 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:08:40,150 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:08:40,150 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:08:40,150 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:08:40,150 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:08:40,150 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:08:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-18 13:08:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:08:40,168 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:08:40,168 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:08:40,170 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:08:40,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:40,175 INFO L82 PathProgramCache]: Analyzing trace with hash 2033313214, now seen corresponding path program 1 times [2018-11-18 13:08:40,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:08:40,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:40,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:40,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:40,210 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:08:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:08:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:08:40,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:08:40,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:08:40,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:08:40,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:08:40,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:08:40,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:08:40,316 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-11-18 13:08:40,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:08:40,335 INFO L93 Difference]: Finished difference Result 197 states and 314 transitions. [2018-11-18 13:08:40,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:08:40,337 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 13:08:40,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:08:40,345 INFO L225 Difference]: With dead ends: 197 [2018-11-18 13:08:40,345 INFO L226 Difference]: Without dead ends: 98 [2018-11-18 13:08:40,348 INFO L604 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 [2018-11-18 13:08:40,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-18 13:08:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-18 13:08:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-18 13:08:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2018-11-18 13:08:40,379 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 19 [2018-11-18 13:08:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:08:40,379 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2018-11-18 13:08:40,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:08:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2018-11-18 13:08:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:08:40,380 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:08:40,380 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:08:40,380 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:08:40,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:40,381 INFO L82 PathProgramCache]: Analyzing trace with hash -194514328, now seen corresponding path program 1 times [2018-11-18 13:08:40,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:08:40,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:40,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:40,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:40,382 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:08:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:40,475 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:08:40,500 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 97 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 13:08:40,501 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 99 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 13:08:40,501 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 120 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 13:08:40,502 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 108 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 13:08:40,502 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 92 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 13:08:40,502 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 103 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 13:08:40,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:08:40 BoogieIcfgContainer [2018-11-18 13:08:40,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:08:40,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:08:40,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:08:40,515 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:08:40,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:40" (3/4) ... [2018-11-18 13:08:40,519 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:08:40,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:08:40,520 INFO L168 Benchmark]: Toolchain (without parser) took 1235.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -81.7 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:40,521 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:08:40,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:40,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.05 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:40,523 INFO L168 Benchmark]: Boogie Preprocessor took 44.38 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:40,523 INFO L168 Benchmark]: RCFGBuilder took 451.84 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: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:40,524 INFO L168 Benchmark]: TraceAbstraction took 418.65 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:40,524 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:08:40,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.05 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.38 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 451.84 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: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 418.65 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 97 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 99 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 120 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 108 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 92 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 103 could not be translated for associated CType ARRAY#_11_~DOUBLE# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L37-L42] FCALL static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] FCALL static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] FCALL 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 [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=117, \old(one_atan)=105, \old(pi)=111, \old(pi_lo_atan2)=102, \old(pi_o_2)=89, \old(pi_o_4)=107, \old(tiny_atan2)=119, \old(zero_atan2)=95, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, 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] [L251] double x = 0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y > 0.0 VAL [aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, 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, x=0, y=118, zero_atan2=0] [L256] CALL, EXPR __ieee754_atan2(y, x) VAL [\old(x)=0, \old(y)=118, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, 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] [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [\old(x)=0, \old(y)=118, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, 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, x=0, y=118, zero_atan2=0] [L148] FCALL ieee_double_shape_type ew_u; [L149] FCALL ew_u.value = (x) [L150] EXPR, FCALL ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR, FCALL ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L152] COND FALSE !(0) VAL [\old(x)=0, \old(y)=118, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=5, lx=112, 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, x=0, y=118, zero_atan2=0] [L153] ix = hx & 0x7fffffff VAL [\old(x)=0, \old(y)=118, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=5, lx=112, 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, x=0, y=118, zero_atan2=0] [L155] FCALL ieee_double_shape_type ew_u; [L156] FCALL ew_u.value = (y) [L157] EXPR, FCALL ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR, FCALL ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L159] COND FALSE !(0) VAL [\old(x)=0, \old(y)=118, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=5, hy=2, lx=112, ly=115, 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, x=0, y=118, zero_atan2=0] [L160] iy = hy & 0x7fffffff VAL [\old(x)=0, \old(y)=118, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=5, hy=2, lx=112, ly=115, 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, x=0, y=118, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] RET return x + y; VAL [\old(x)=0, \old(y)=118, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=5, hy=2, lx=112, ly=115, 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, x=0, y=118, zero_atan2=0] [L256] EXPR __ieee754_atan2(y, x) VAL [__ieee754_atan2(y, x)=109, aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, 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, x=0, y=118, zero_atan2=0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != pi_o_2 VAL [aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=109, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=118, zero_atan2=0] [L260] __VERIFIER_error() VAL [aT_atan={98:0}, atanhi_atan={100:0}, atanlo_atan={90:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=109, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=118, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 103 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 143 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-5842f4b [2018-11-18 13:08:41,926 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:08:41,927 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:08:41,935 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:08:41,935 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:08:41,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:08:41,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:08:41,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:08:41,939 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:08:41,939 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:08:41,940 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:08:41,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:08:41,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:08:41,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:08:41,943 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:08:41,943 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:08:41,944 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:08:41,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:08:41,947 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:08:41,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:08:41,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:08:41,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:08:41,951 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:08:41,951 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:08:41,951 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:08:41,952 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:08:41,953 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:08:41,953 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:08:41,954 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:08:41,955 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:08:41,955 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:08:41,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:08:41,955 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:08:41,955 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:08:41,956 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:08:41,957 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:08:41,958 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 13:08:41,968 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:08:41,968 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:08:41,969 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:08:41,969 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:08:41,969 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:08:41,969 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:08:41,970 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:08:41,970 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:08:41,970 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:08:41,970 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:08:41,970 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:08:41,971 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:08:41,971 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:08:41,971 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:08:41,971 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:08:41,971 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:08:41,971 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:08:41,971 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:08:41,972 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:08:41,972 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:08:41,972 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:08:41,972 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:08:41,972 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:08:41,972 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:08:41,972 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:08:41,973 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:08:41,973 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:08:41,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:08:41,973 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:08:41,973 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:08:41,973 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:08:41,973 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 13:08:41,973 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:08:41,974 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:08:41,974 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:08:41,974 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/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 -> 0cca6d33f0772631e27f925c9516a89b4af2326a [2018-11-18 13:08:42,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:08:42,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:08:42,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:08:42,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:08:42,017 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:08:42,017 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b_true-unreach-call.c [2018-11-18 13:08:42,061 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data/839ce3c2e/a88c81e14c4040ad97c7ceb0a2666c73/FLAG8bd25f750 [2018-11-18 13:08:42,381 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:08:42,381 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/sv-benchmarks/c/float-newlib/double_req_bl_0663b_true-unreach-call.c [2018-11-18 13:08:42,387 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data/839ce3c2e/a88c81e14c4040ad97c7ceb0a2666c73/FLAG8bd25f750 [2018-11-18 13:08:42,396 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/data/839ce3c2e/a88c81e14c4040ad97c7ceb0a2666c73 [2018-11-18 13:08:42,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:08:42,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:08:42,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:42,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:08:42,402 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:08:42,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc5b2c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42, skipping insertion in model container [2018-11-18 13:08:42,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:08:42,430 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:08:42,593 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:42,601 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:08:42,648 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:42,670 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:08:42,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42 WrapperNode [2018-11-18 13:08:42,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:42,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:42,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:08:42,672 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:08:42,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:42,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:08:42,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:08:42,731 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:08:42,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... [2018-11-18 13:08:42,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:08:42,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:08:42,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:08:42,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:08:42,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/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 [2018-11-18 13:08:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 13:08:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 13:08:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 13:08:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:08:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:08:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2018-11-18 13:08:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2018-11-18 13:08:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 13:08:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 13:08:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:08:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:08:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:08:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 13:08:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 13:08:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:08:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:08:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:08:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 13:08:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:08:43,134 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:43,377 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:43,450 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:43,480 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:44,539 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:44,547 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:44,613 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:47,949 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:52,579 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:59,627 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:08:59,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:59 BoogieIcfgContainer [2018-11-18 13:08:59,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:08:59,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:08:59,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:08:59,631 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:08:59,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:08:42" (1/3) ... [2018-11-18 13:08:59,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2446114b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:08:59, skipping insertion in model container [2018-11-18 13:08:59,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:42" (2/3) ... [2018-11-18 13:08:59,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2446114b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:08:59, skipping insertion in model container [2018-11-18 13:08:59,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:59" (3/3) ... [2018-11-18 13:08:59,634 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b_true-unreach-call.c [2018-11-18 13:08:59,639 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:08:59,644 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:08:59,653 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:08:59,670 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:08:59,670 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:08:59,670 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:08:59,671 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:08:59,671 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:08:59,671 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:08:59,671 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:08:59,671 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:08:59,671 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:08:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-18 13:08:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:08:59,686 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:08:59,686 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:08:59,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:08:59,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:59,691 INFO L82 PathProgramCache]: Analyzing trace with hash 2033313214, now seen corresponding path program 1 times [2018-11-18 13:08:59,693 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:08:59,694 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/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 [2018-11-18 13:08:59,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:08:59,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:08:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:08:59,832 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:08:59,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:08:59,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:08:59,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:08:59,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:08:59,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:08:59,855 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-11-18 13:08:59,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:08:59,875 INFO L93 Difference]: Finished difference Result 103 states and 160 transitions. [2018-11-18 13:08:59,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:08:59,876 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 13:08:59,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:08:59,881 INFO L225 Difference]: With dead ends: 103 [2018-11-18 13:08:59,881 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:08:59,884 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:08:59,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:08:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:08:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:08:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:08:59,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-11-18 13:08:59,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:08:59,899 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:08:59,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:08:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:08:59,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:08:59,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:08:59,949 INFO L425 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-11-18 13:08:59,949 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 13:08:59,950 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 13:08:59,950 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-18 13:08:59,950 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-11-18 13:08:59,950 INFO L428 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-11-18 13:08:59,950 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-11-18 13:08:59,950 INFO L425 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-11-18 13:08:59,951 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:08:59,951 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:08:59,951 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:08:59,951 INFO L428 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: true [2018-11-18 13:08:59,951 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-11-18 13:08:59,951 INFO L425 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-11-18 13:08:59,951 INFO L425 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-11-18 13:08:59,951 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-11-18 13:08:59,952 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-11-18 13:08:59,952 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-11-18 13:08:59,952 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-18 13:08:59,952 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-11-18 13:08:59,952 INFO L428 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-18 13:08:59,952 INFO L425 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-18 13:08:59,952 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-11-18 13:08:59,952 INFO L425 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-11-18 13:08:59,953 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-11-18 13:08:59,953 INFO L428 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-11-18 13:08:59,953 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-11-18 13:08:59,953 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-18 13:08:59,953 INFO L425 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-11-18 13:08:59,953 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-11-18 13:08:59,953 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-11-18 13:08:59,953 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-11-18 13:08:59,954 INFO L425 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-11-18 13:08:59,954 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-11-18 13:08:59,954 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 13:08:59,954 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:08:59,954 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 13:08:59,954 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:08:59,954 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:08:59,954 INFO L428 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: true [2018-11-18 13:08:59,954 INFO L425 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-11-18 13:08:59,955 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 263) no Hoare annotation was computed. [2018-11-18 13:08:59,955 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 244 265) the Hoare annotation is: true [2018-11-18 13:08:59,955 INFO L425 ceAbstractionStarter]: For program point L254-2(lines 254 263) no Hoare annotation was computed. [2018-11-18 13:08:59,955 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 244 265) no Hoare annotation was computed. [2018-11-18 13:08:59,955 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 260) no Hoare annotation was computed. [2018-11-18 13:08:59,955 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 244 265) no Hoare annotation was computed. [2018-11-18 13:08:59,955 INFO L425 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2018-11-18 13:08:59,955 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 262) no Hoare annotation was computed. [2018-11-18 13:08:59,956 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 13:08:59,956 INFO L428 ceAbstractionStarter]: At program point __ieee754_atan2ENTRY(lines 142 242) the Hoare annotation is: true [2018-11-18 13:08:59,956 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 206) no Hoare annotation was computed. [2018-11-18 13:08:59,956 INFO L425 ceAbstractionStarter]: For program point __ieee754_atan2FINAL(lines 142 242) no Hoare annotation was computed. [2018-11-18 13:08:59,956 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 13:08:59,956 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 178) no Hoare annotation was computed. [2018-11-18 13:08:59,956 INFO L425 ceAbstractionStarter]: For program point L168-2(lines 142 242) no Hoare annotation was computed. [2018-11-18 13:08:59,956 INFO L428 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2018-11-18 13:08:59,956 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 194) no Hoare annotation was computed. [2018-11-18 13:08:59,957 INFO L428 ceAbstractionStarter]: At program point L218-1(line 218) the Hoare annotation is: true [2018-11-18 13:08:59,957 INFO L425 ceAbstractionStarter]: For program point L218-2(line 218) no Hoare annotation was computed. [2018-11-18 13:08:59,957 INFO L425 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-18 13:08:59,957 INFO L425 ceAbstractionStarter]: For program point L210-2(line 210) no Hoare annotation was computed. [2018-11-18 13:08:59,957 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 177) no Hoare annotation was computed. [2018-11-18 13:08:59,957 INFO L425 ceAbstractionStarter]: For program point L161(lines 161 163) no Hoare annotation was computed. [2018-11-18 13:08:59,957 INFO L425 ceAbstractionStarter]: For program point L219(lines 219 241) no Hoare annotation was computed. [2018-11-18 13:08:59,957 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 13:08:59,957 INFO L425 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2018-11-18 13:08:59,958 INFO L425 ceAbstractionStarter]: For program point L170(line 170) no Hoare annotation was computed. [2018-11-18 13:08:59,958 INFO L425 ceAbstractionStarter]: For program point L170-2(line 170) no Hoare annotation was computed. [2018-11-18 13:08:59,958 INFO L425 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2018-11-18 13:08:59,958 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 154 159) no Hoare annotation was computed. [2018-11-18 13:08:59,958 INFO L428 ceAbstractionStarter]: At program point L154-3(lines 154 159) the Hoare annotation is: true [2018-11-18 13:08:59,958 INFO L425 ceAbstractionStarter]: For program point L154-4(lines 154 159) no Hoare annotation was computed. [2018-11-18 13:08:59,958 INFO L425 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-11-18 13:08:59,958 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 13:08:59,958 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 234) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L196(lines 196 205) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L229-2(lines 222 235) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L229-3(lines 229 234) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 218) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 147 152) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L428 ceAbstractionStarter]: At program point L147-3(lines 147 152) the Hoare annotation is: true [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L147-4(lines 147 152) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-11-18 13:08:59,959 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 165) no Hoare annotation was computed. [2018-11-18 13:08:59,960 INFO L425 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2018-11-18 13:08:59,960 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 13:08:59,960 INFO L425 ceAbstractionStarter]: For program point __ieee754_atan2EXIT(lines 142 242) no Hoare annotation was computed. [2018-11-18 13:08:59,960 INFO L425 ceAbstractionStarter]: For program point L181-2(line 181) no Hoare annotation was computed. [2018-11-18 13:08:59,960 INFO L425 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2018-11-18 13:08:59,960 INFO L425 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-18 13:08:59,960 INFO L428 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: true [2018-11-18 13:08:59,960 INFO L425 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-18 13:08:59,960 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 13:08:59,961 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 218) no Hoare annotation was computed. [2018-11-18 13:08:59,961 INFO L425 ceAbstractionStarter]: For program point L215-2(lines 213 218) no Hoare annotation was computed. [2018-11-18 13:08:59,961 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 13:08:59,961 INFO L425 ceAbstractionStarter]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2018-11-18 13:08:59,961 INFO L428 ceAbstractionStarter]: At program point L224-3(lines 224 228) the Hoare annotation is: true [2018-11-18 13:08:59,961 INFO L425 ceAbstractionStarter]: For program point L183(lines 183 207) no Hoare annotation was computed. [2018-11-18 13:08:59,961 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 142 242) no Hoare annotation was computed. [2018-11-18 13:08:59,961 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 13:08:59,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:08:59 BoogieIcfgContainer [2018-11-18 13:08:59,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:08:59,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:08:59,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:08:59,968 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:08:59,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:59" (3/4) ... [2018-11-18 13:08:59,971 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:08:59,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-11-18 13:08:59,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:08:59,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-11-18 13:08:59,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:08:59,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2 [2018-11-18 13:08:59,984 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2018-11-18 13:08:59,985 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-11-18 13:08:59,985 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:08:59,985 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:09:00,044 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_17d6fcb7-e7ab-40ad-b2a7-c9b4930e78cd/bin-2019/utaipan/witness.graphml [2018-11-18 13:09:00,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:09:00,045 INFO L168 Benchmark]: Toolchain (without parser) took 17646.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 949.2 MB in the beginning and 1.0 GB in the end (delta: -64.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:09:00,046 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:09:00,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.31 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:09:00,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -207.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:09:00,047 INFO L168 Benchmark]: Boogie Preprocessor took 45.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:09:00,047 INFO L168 Benchmark]: RCFGBuilder took 16851.98 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: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:09:00,048 INFO L168 Benchmark]: TraceAbstraction took 338.39 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: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:09:00,048 INFO L168 Benchmark]: Witness Printer took 77.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:09:00,049 INFO L336 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.31 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -207.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16851.98 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: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 338.39 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: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Witness Printer took 77.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 260]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 103 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 24 PreInvPairs, 24 NumberOfFragments, 18 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 75 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...