./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0670_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_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0670_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/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 7437f00c34877da3eeb70986d6a7f4bae4c9669a ................................................................................................................................................................................................................................................................................................................................................................................ 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_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0670_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/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 7437f00c34877da3eeb70986d6a7f4bae4c9669a ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:18:52,944 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:18:52,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:18:52,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:18:52,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:18:52,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:18:52,956 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:18:52,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:18:52,958 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:18:52,959 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:18:52,960 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:18:52,960 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:18:52,960 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:18:52,961 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:18:52,962 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:18:52,962 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:18:52,963 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:18:52,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:18:52,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:18:52,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:18:52,968 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:18:52,968 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:18:52,970 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:18:52,970 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:18:52,971 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:18:52,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:18:52,973 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:18:52,973 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:18:52,974 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:18:52,974 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:18:52,975 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:18:52,975 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:18:52,975 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:18:52,976 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:18:52,976 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:18:52,977 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:18:52,977 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:18:52,988 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:18:52,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:18:52,989 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:18:52,989 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:18:52,989 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:18:52,989 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:18:52,989 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:18:52,989 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:18:52,990 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:18:52,990 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:18:52,990 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:18:52,990 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:18:52,990 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:18:52,991 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:18:52,991 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:18:52,991 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:18:52,991 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:18:52,991 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:18:52,991 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:18:52,991 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:18:52,992 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:18:52,992 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:18:52,992 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:18:52,992 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:18:52,992 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:18:52,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:18:52,992 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:18:52,993 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:18:52,993 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:18:52,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:18:52,993 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:18:52,993 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:18:52,993 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:18:52,993 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:18:52,993 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:18:52,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:18:52,994 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:18:52,994 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_cb2bf8c3-6613-43ab-850e-ad39378919f6/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 -> 7437f00c34877da3eeb70986d6a7f4bae4c9669a [2018-11-18 11:18:53,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:18:53,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:18:53,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:18:53,031 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:18:53,032 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:18:53,032 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0670_true-unreach-call.c [2018-11-18 11:18:53,077 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data/eff42a9bd/bff91693e0f54c64bb5ea129f89b22ce/FLAGa165e0821 [2018-11-18 11:18:53,422 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:18:53,423 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/sv-benchmarks/c/float-newlib/double_req_bl_0670_true-unreach-call.c [2018-11-18 11:18:53,429 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data/eff42a9bd/bff91693e0f54c64bb5ea129f89b22ce/FLAGa165e0821 [2018-11-18 11:18:53,846 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data/eff42a9bd/bff91693e0f54c64bb5ea129f89b22ce [2018-11-18 11:18:53,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:18:53,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:18:53,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:53,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:18:53,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:18:53,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:53" (1/1) ... [2018-11-18 11:18:53,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b1aab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:53, skipping insertion in model container [2018-11-18 11:18:53,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:53" (1/1) ... [2018-11-18 11:18:53,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:18:53,881 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:18:54,035 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:54,042 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:18:54,083 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:54,147 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:18:54,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54 WrapperNode [2018-11-18 11:18:54,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:54,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:54,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:18:54,148 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:18:54,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:54,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:18:54,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:18:54,172 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:18:54,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... [2018-11-18 11:18:54,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:18:54,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:18:54,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:18:54,206 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:18:54,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/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 11:18:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 11:18:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 11:18:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:18:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 11:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2018-11-18 11:18:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2018-11-18 11:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 11:18:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 11:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:18:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 11:18:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 11:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:18:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:18:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:18:54,666 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:18:54,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:54 BoogieIcfgContainer [2018-11-18 11:18:54,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:18:54,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:18:54,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:18:54,669 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:18:54,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:18:53" (1/3) ... [2018-11-18 11:18:54,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afd53cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:54, skipping insertion in model container [2018-11-18 11:18:54,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:54" (2/3) ... [2018-11-18 11:18:54,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afd53cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:54, skipping insertion in model container [2018-11-18 11:18:54,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:54" (3/3) ... [2018-11-18 11:18:54,671 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670_true-unreach-call.c [2018-11-18 11:18:54,677 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:18:54,683 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:18:54,692 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:18:54,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:18:54,716 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:18:54,716 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:18:54,716 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:18:54,716 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:18:54,716 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:18:54,716 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:18:54,716 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:18:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2018-11-18 11:18:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:18:54,736 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:54,737 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:54,738 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:54,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:54,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1906187546, now seen corresponding path program 1 times [2018-11-18 11:18:54,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:18:54,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:18:54,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:54,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:18:54,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:18:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:18:54,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:54,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:18:54,873 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:18:54,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:18:54,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:18:54,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:18:54,886 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2018-11-18 11:18:54,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:54,906 INFO L93 Difference]: Finished difference Result 212 states and 332 transitions. [2018-11-18 11:18:54,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:18:54,908 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2018-11-18 11:18:54,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:54,917 INFO L225 Difference]: With dead ends: 212 [2018-11-18 11:18:54,917 INFO L226 Difference]: Without dead ends: 108 [2018-11-18 11:18:54,920 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 11:18:54,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-18 11:18:54,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-18 11:18:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-18 11:18:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 150 transitions. [2018-11-18 11:18:54,956 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 150 transitions. Word has length 30 [2018-11-18 11:18:54,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:54,958 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 150 transitions. [2018-11-18 11:18:54,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:18:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 150 transitions. [2018-11-18 11:18:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 11:18:54,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:54,960 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:54,961 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:54,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:54,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1396725884, now seen corresponding path program 1 times [2018-11-18 11:18:54,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:18:54,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:18:54,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:54,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:18:54,962 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:18:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:18:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:18:55,060 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:18:55,088 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450967 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 11:18:55,089 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 11:18:55,089 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 11:18:55,089 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 11:18:55,090 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450949 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 11:18:55,090 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450976 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 11:18:55,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:18:55 BoogieIcfgContainer [2018-11-18 11:18:55,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:18:55,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:18:55,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:18:55,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:18:55,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:54" (3/4) ... [2018-11-18 11:18:55,110 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:18:55,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:18:55,111 INFO L168 Benchmark]: Toolchain (without parser) took 1262.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 959.3 MB in the beginning and 1.0 GB in the end (delta: -67.6 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:55,112 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:18:55,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:55,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.23 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 11:18:55,114 INFO L168 Benchmark]: Boogie Preprocessor took 33.77 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 11:18:55,114 INFO L168 Benchmark]: RCFGBuilder took 460.82 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:55,115 INFO L168 Benchmark]: TraceAbstraction took 439.25 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:55,115 INFO L168 Benchmark]: Witness Printer took 4.25 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 11:18:55,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.23 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 33.77 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 460.82 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 439.25 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 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 6442450967 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450949 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450976 could not be translated for associated CType ARRAY#_4_~DOUBLE# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 262]: 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 245. 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)=6442450972, \old(one_atan)=6442450963, \old(pi)=6442450969, \old(pi_lo_atan2)=6442450960, \old(pi_o_2)=6442450944, \old(pi_o_4)=6442450965, \old(tiny_atan2)=6442450975, \old(zero_atan2)=6442450952, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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] [L253] double x = __VERIFIER_nondet_double(); [L254] double y = __VERIFIER_nondet_double(); [L256] CALL, EXPR isnan_double(x) VAL [\old(x)=6442450966, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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] [L245] RET return x != x; VAL [\old(x)=6442450966, \result=1, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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=6442450966, zero_atan2=0] [L256] EXPR isnan_double(x) VAL [aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(x)=1, 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=6442450966, y=6442450973, zero_atan2=0] [L256] isnan_double(x) || isnan_double(y) VAL [aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(x)=1, isnan_double(x) || isnan_double(y)=1, 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=6442450966, y=6442450973, zero_atan2=0] [L256] COND TRUE isnan_double(x) || isnan_double(y) [L258] CALL, EXPR __ieee754_atan2(y, x) VAL [\old(x)=6442450966, \old(y)=6442450973, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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)=6442450966, \old(y)=6442450973, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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=6442450966, y=6442450973, 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)=6442450966, \old(y)=6442450973, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, lx=6442450974, 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=6442450966, y=6442450973, zero_atan2=0] [L153] ix = hx & 0x7fffffff VAL [\old(x)=6442450966, \old(y)=6442450973, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, lx=6442450974, 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=6442450966, y=6442450973, 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)=6442450966, \old(y)=6442450973, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=3, lx=6442450974, ly=6442450957, 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=6442450966, y=6442450973, zero_atan2=0] [L160] iy = hy & 0x7fffffff VAL [\old(x)=6442450966, \old(y)=6442450973, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=3, lx=6442450974, ly=6442450957, 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=6442450966, y=6442450973, 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)=6442450966, \old(y)=6442450973, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=3, lx=6442450974, ly=6442450957, 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=6442450966, y=6442450973, zero_atan2=0] [L258] EXPR __ieee754_atan2(y, x) VAL [__ieee754_atan2(y, x)=6442450951, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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=6442450966, y=6442450973, zero_atan2=0] [L258] double res = __ieee754_atan2(y, x); [L261] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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] [L245] RET return x != x; VAL [\old(x)=6442450951, \result=0, aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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=6442450951, zero_atan2=0] [L261] EXPR isnan_double(res) VAL [aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450951, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450966, y=6442450973, zero_atan2=0] [L261] COND TRUE !isnan_double(res) [L262] __VERIFIER_error() VAL [aT_atan={6442450955:0}, atanhi_atan={6442450958:0}, atanlo_atan={6442450945:0}, 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=6442450951, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450966, y=6442450973, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 113 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 156 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=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 11:18:56,576 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:18:56,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:18:56,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:18:56,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:18:56,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:18:56,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:18:56,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:18:56,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:18:56,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:18:56,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:18:56,589 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:18:56,590 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:18:56,591 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:18:56,592 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:18:56,592 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:18:56,593 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:18:56,594 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:18:56,595 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:18:56,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:18:56,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:18:56,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:18:56,599 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:18:56,600 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:18:56,600 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:18:56,600 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:18:56,601 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:18:56,602 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:18:56,602 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:18:56,603 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:18:56,603 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:18:56,604 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:18:56,604 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:18:56,604 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:18:56,604 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:18:56,605 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:18:56,605 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 11:18:56,615 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:18:56,615 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:18:56,616 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:18:56,616 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:18:56,616 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:18:56,616 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:18:56,617 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:18:56,617 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:18:56,617 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:18:56,617 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:18:56,617 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:18:56,618 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:18:56,618 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:18:56,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:18:56,618 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:18:56,618 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:18:56,618 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:18:56,618 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:18:56,618 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:18:56,619 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:18:56,619 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:18:56,619 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:18:56,619 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:18:56,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:18:56,619 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:18:56,619 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:18:56,619 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:18:56,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:18:56,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:18:56,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:18:56,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:18:56,620 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 11:18:56,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:18:56,620 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:18:56,620 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:18:56,621 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_cb2bf8c3-6613-43ab-850e-ad39378919f6/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 -> 7437f00c34877da3eeb70986d6a7f4bae4c9669a [2018-11-18 11:18:56,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:18:56,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:18:56,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:18:56,661 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:18:56,661 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:18:56,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0670_true-unreach-call.c [2018-11-18 11:18:56,697 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data/26bc4650e/4fa000a26baf412e8c7b535b0ad04e0f/FLAGf206f228d [2018-11-18 11:18:57,007 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:18:57,008 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/sv-benchmarks/c/float-newlib/double_req_bl_0670_true-unreach-call.c [2018-11-18 11:18:57,012 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data/26bc4650e/4fa000a26baf412e8c7b535b0ad04e0f/FLAGf206f228d [2018-11-18 11:18:57,022 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/data/26bc4650e/4fa000a26baf412e8c7b535b0ad04e0f [2018-11-18 11:18:57,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:18:57,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:18:57,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:57,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:18:57,029 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:18:57,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74daea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57, skipping insertion in model container [2018-11-18 11:18:57,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:18:57,060 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:18:57,235 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:57,243 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:18:57,288 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:57,315 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:18:57,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57 WrapperNode [2018-11-18 11:18:57,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:57,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:57,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:18:57,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:18:57,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:57,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:18:57,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:18:57,377 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:18:57,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... [2018-11-18 11:18:57,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:18:57,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:18:57,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:18:57,415 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:18:57,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/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 11:18:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 11:18:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 11:18:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 11:18:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 11:18:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 11:18:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:18:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:18:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2018-11-18 11:18:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2018-11-18 11:18:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 11:18:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 11:18:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:18:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:18:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:18:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 11:18:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 11:18:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:18:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:18:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:18:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:18:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:18:57,809 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:58,075 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:58,173 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:58,204 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:59,726 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:59,734 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:59,807 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:19:02,106 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:19:13,360 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:19:16,205 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:19:16,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:19:16 BoogieIcfgContainer [2018-11-18 11:19:16,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:19:16,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:19:16,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:19:16,210 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:19:16,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:18:57" (1/3) ... [2018-11-18 11:19:16,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4add12cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:19:16, skipping insertion in model container [2018-11-18 11:19:16,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:57" (2/3) ... [2018-11-18 11:19:16,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4add12cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:19:16, skipping insertion in model container [2018-11-18 11:19:16,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:19:16" (3/3) ... [2018-11-18 11:19:16,214 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670_true-unreach-call.c [2018-11-18 11:19:16,221 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:19:16,226 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:19:16,236 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:19:16,254 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:19:16,255 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:19:16,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:19:16,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:19:16,255 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:19:16,255 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:19:16,255 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:19:16,256 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:19:16,256 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:19:16,267 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-11-18 11:19:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 11:19:16,271 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:19:16,272 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:19:16,273 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:19:16,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:19:16,276 INFO L82 PathProgramCache]: Analyzing trace with hash -72900241, now seen corresponding path program 1 times [2018-11-18 11:19:16,279 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:19:16,279 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/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 11:19:16,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:19:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:19:16,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:19:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:19:16,448 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:19:16,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:19:16,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:19:16,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:19:16,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:19:16,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:19:16,470 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2018-11-18 11:19:16,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:19:16,491 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2018-11-18 11:19:16,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:19:16,492 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-11-18 11:19:16,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:19:16,497 INFO L225 Difference]: With dead ends: 112 [2018-11-18 11:19:16,497 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:19:16,499 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 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 11:19:16,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:19:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:19:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:19:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:19:16,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-11-18 11:19:16,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:19:16,517 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:19:16,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:19:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:19:16,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:19:16,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:19:16,589 INFO L425 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-11-18 11:19:16,589 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 11:19:16,589 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 11:19:16,589 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-18 11:19:16,589 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-11-18 11:19:16,589 INFO L428 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 245) the Hoare annotation is: true [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 245) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 245) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L428 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: true [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-11-18 11:19:16,590 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-11-18 11:19:16,591 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-11-18 11:19:16,591 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-11-18 11:19:16,591 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-18 11:19:16,591 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-11-18 11:19:16,591 INFO L428 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-18 11:19:16,591 INFO L425 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-18 11:19:16,591 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-11-18 11:19:16,591 INFO L425 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-11-18 11:19:16,592 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-11-18 11:19:16,592 INFO L428 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-11-18 11:19:16,592 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-11-18 11:19:16,592 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-18 11:19:16,592 INFO L425 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-11-18 11:19:16,592 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-11-18 11:19:16,592 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-11-18 11:19:16,592 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-11-18 11:19:16,593 INFO L425 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-11-18 11:19:16,593 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-11-18 11:19:16,593 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:19:16,593 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:19:16,593 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 11:19:16,593 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:19:16,593 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:19:16,593 INFO L425 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2018-11-18 11:19:16,593 INFO L428 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: true [2018-11-18 11:19:16,594 INFO L425 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-11-18 11:19:16,594 INFO L425 ceAbstractionStarter]: For program point L256-2(line 256) no Hoare annotation was computed. [2018-11-18 11:19:16,594 INFO L428 ceAbstractionStarter]: At program point L256-4(line 256) the Hoare annotation is: true [2018-11-18 11:19:16,594 INFO L425 ceAbstractionStarter]: For program point L256-5(line 256) no Hoare annotation was computed. [2018-11-18 11:19:16,594 INFO L425 ceAbstractionStarter]: For program point L256-6(lines 256 265) no Hoare annotation was computed. [2018-11-18 11:19:16,594 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 247 268) no Hoare annotation was computed. [2018-11-18 11:19:16,594 INFO L425 ceAbstractionStarter]: For program point L256-8(lines 256 265) no Hoare annotation was computed. [2018-11-18 11:19:16,594 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 247 268) no Hoare annotation was computed. [2018-11-18 11:19:16,595 INFO L428 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-11-18 11:19:16,595 INFO L425 ceAbstractionStarter]: For program point L261-1(lines 261 264) no Hoare annotation was computed. [2018-11-18 11:19:16,595 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 247 268) the Hoare annotation is: true [2018-11-18 11:19:16,595 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 262) no Hoare annotation was computed. [2018-11-18 11:19:16,595 INFO L425 ceAbstractionStarter]: For program point L262(line 262) no Hoare annotation was computed. [2018-11-18 11:19:16,595 INFO L428 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2018-11-18 11:19:16,595 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 11:19:16,595 INFO L428 ceAbstractionStarter]: At program point __ieee754_atan2ENTRY(lines 142 242) the Hoare annotation is: true [2018-11-18 11:19:16,595 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 206) no Hoare annotation was computed. [2018-11-18 11:19:16,596 INFO L425 ceAbstractionStarter]: For program point __ieee754_atan2FINAL(lines 142 242) no Hoare annotation was computed. [2018-11-18 11:19:16,596 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 11:19:16,596 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 178) no Hoare annotation was computed. [2018-11-18 11:19:16,596 INFO L425 ceAbstractionStarter]: For program point L168-2(lines 142 242) no Hoare annotation was computed. [2018-11-18 11:19:16,596 INFO L428 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2018-11-18 11:19:16,596 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 194) no Hoare annotation was computed. [2018-11-18 11:19:16,596 INFO L428 ceAbstractionStarter]: At program point L218-1(line 218) the Hoare annotation is: true [2018-11-18 11:19:16,596 INFO L425 ceAbstractionStarter]: For program point L218-2(line 218) no Hoare annotation was computed. [2018-11-18 11:19:16,596 INFO L425 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-18 11:19:16,596 INFO L425 ceAbstractionStarter]: For program point L210-2(line 210) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 177) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L161(lines 161 163) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L219(lines 219 241) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L170(line 170) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L170-2(line 170) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 154 159) no Hoare annotation was computed. [2018-11-18 11:19:16,597 INFO L428 ceAbstractionStarter]: At program point L154-3(lines 154 159) the Hoare annotation is: true [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L154-4(lines 154 159) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 234) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L196(lines 196 205) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L229-2(lines 222 235) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L229-3(lines 229 234) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 218) no Hoare annotation was computed. [2018-11-18 11:19:16,598 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 147 152) no Hoare annotation was computed. [2018-11-18 11:19:16,599 INFO L428 ceAbstractionStarter]: At program point L147-3(lines 147 152) the Hoare annotation is: true [2018-11-18 11:19:16,599 INFO L425 ceAbstractionStarter]: For program point L147-4(lines 147 152) no Hoare annotation was computed. [2018-11-18 11:19:16,599 INFO L425 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-11-18 11:19:16,599 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 165) no Hoare annotation was computed. [2018-11-18 11:19:16,599 INFO L425 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2018-11-18 11:19:16,599 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:19:16,599 INFO L425 ceAbstractionStarter]: For program point __ieee754_atan2EXIT(lines 142 242) no Hoare annotation was computed. [2018-11-18 11:19:16,599 INFO L425 ceAbstractionStarter]: For program point L181-2(line 181) no Hoare annotation was computed. [2018-11-18 11:19:16,599 INFO L425 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2018-11-18 11:19:16,600 INFO L425 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-18 11:19:16,600 INFO L428 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: true [2018-11-18 11:19:16,600 INFO L425 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-18 11:19:16,600 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 11:19:16,600 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 218) no Hoare annotation was computed. [2018-11-18 11:19:16,600 INFO L425 ceAbstractionStarter]: For program point L215-2(lines 213 218) no Hoare annotation was computed. [2018-11-18 11:19:16,600 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 11:19:16,600 INFO L425 ceAbstractionStarter]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2018-11-18 11:19:16,600 INFO L428 ceAbstractionStarter]: At program point L224-3(lines 224 228) the Hoare annotation is: true [2018-11-18 11:19:16,601 INFO L425 ceAbstractionStarter]: For program point L183(lines 183 207) no Hoare annotation was computed. [2018-11-18 11:19:16,601 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 142 242) no Hoare annotation was computed. [2018-11-18 11:19:16,601 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:19:16,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:19:16 BoogieIcfgContainer [2018-11-18 11:19:16,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:19:16,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:19:16,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:19:16,607 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:19:16,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:19:16" (3/4) ... [2018-11-18 11:19:16,610 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:19:16,616 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-11-18 11:19:16,616 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 11:19:16,616 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:19:16,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-11-18 11:19:16,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:19:16,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2 [2018-11-18 11:19:16,624 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2018-11-18 11:19:16,625 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-18 11:19:16,625 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:19:16,625 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:19:16,683 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cb2bf8c3-6613-43ab-850e-ad39378919f6/bin-2019/utaipan/witness.graphml [2018-11-18 11:19:16,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:19:16,683 INFO L168 Benchmark]: Toolchain (without parser) took 19658.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 948.7 MB in the beginning and 998.3 MB in the end (delta: -49.6 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:19:16,684 INFO L168 Benchmark]: CDTParser took 0.11 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 11:19:16,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.82 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:19:16,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:19:16,685 INFO L168 Benchmark]: Boogie Preprocessor took 37.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:19:16,685 INFO L168 Benchmark]: RCFGBuilder took 18791.45 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: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:19:16,685 INFO L168 Benchmark]: TraceAbstraction took 399.26 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:19:16,686 INFO L168 Benchmark]: Witness Printer took 76.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:19:16,687 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 290.82 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 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 60.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 18791.45 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: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 399.26 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Witness Printer took 76.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 262]: 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 7 procedures, 112 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 2 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, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 22 LocationsWithAnnotation, 30 PreInvPairs, 30 NumberOfFragments, 22 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...