./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_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_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/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 c0077a740f714225dc922bb100a19cc0ae47da01 ....................................................................................................................................................................................................................................................................................................................... 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_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/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 c0077a740f714225dc922bb100a19cc0ae47da01 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:17:09,057 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:17:09,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:17:09,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:17:09,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:17:09,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:17:09,066 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:17:09,067 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:17:09,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:17:09,068 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:17:09,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:17:09,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:17:09,070 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:17:09,071 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:17:09,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:17:09,071 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:17:09,072 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:17:09,073 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:17:09,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:17:09,075 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:17:09,076 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:17:09,077 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:17:09,078 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:17:09,078 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:17:09,078 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:17:09,079 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:17:09,079 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:17:09,080 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:17:09,080 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:17:09,081 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:17:09,081 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:17:09,081 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:17:09,081 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:17:09,081 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:17:09,082 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:17:09,082 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:17:09,082 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:17:09,089 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:17:09,090 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:17:09,090 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:17:09,090 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:17:09,091 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:17:09,091 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:17:09,091 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:17:09,091 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:17:09,091 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:17:09,091 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:17:09,091 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:17:09,092 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:17:09,092 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:17:09,092 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:17:09,092 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:17:09,093 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:17:09,094 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:17:09,094 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:17:09,094 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:17:09,094 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:17:09,094 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:17:09,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:17:09,094 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:17:09,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:17:09,095 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:17:09,095 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:17:09,095 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:17:09,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:17:09,095 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:17:09,095 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_47de78e6-73e6-4fdb-b1de-93fa29ab0771/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 -> c0077a740f714225dc922bb100a19cc0ae47da01 [2018-11-18 11:17:09,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:17:09,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:17:09,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:17:09,133 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:17:09,133 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:17:09,134 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-11-18 11:17:09,176 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data/d46663cd0/95bd82f1318c40b4a853bc290a90db09/FLAG7f593ed2e [2018-11-18 11:17:09,579 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:17:09,580 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-11-18 11:17:09,586 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data/d46663cd0/95bd82f1318c40b4a853bc290a90db09/FLAG7f593ed2e [2018-11-18 11:17:09,596 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data/d46663cd0/95bd82f1318c40b4a853bc290a90db09 [2018-11-18 11:17:09,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:17:09,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:17:09,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:09,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:17:09,601 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:17:09,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e3deec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09, skipping insertion in model container [2018-11-18 11:17:09,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:17:09,624 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:17:09,749 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:09,751 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:17:09,771 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:09,784 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:17:09,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09 WrapperNode [2018-11-18 11:17:09,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:09,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:17:09,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:17:09,785 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:17:09,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:17:09,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:17:09,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:17:09,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:17:09,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... [2018-11-18 11:17:09,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:17:09,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:17:09,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:17:09,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:17:09,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/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 11:17:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 11:17:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 11:17:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:17:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:17:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-11-18 11:17:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-11-18 11:17:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:17:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:17:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:17:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:17:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:17:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:17:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:17:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:17:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:17:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:17:10,089 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:17:10,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:10 BoogieIcfgContainer [2018-11-18 11:17:10,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:17:10,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:17:10,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:17:10,092 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:17:10,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:17:09" (1/3) ... [2018-11-18 11:17:10,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b610d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:17:10, skipping insertion in model container [2018-11-18 11:17:10,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:09" (2/3) ... [2018-11-18 11:17:10,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b610d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:17:10, skipping insertion in model container [2018-11-18 11:17:10,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:10" (3/3) ... [2018-11-18 11:17:10,094 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c_true-unreach-call.c [2018-11-18 11:17:10,100 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:17:10,105 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:17:10,119 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:17:10,145 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:17:10,145 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:17:10,145 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:17:10,145 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:17:10,145 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:17:10,145 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:17:10,145 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:17:10,145 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:17:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-18 11:17:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:17:10,159 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:10,160 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:10,162 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:10,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:10,165 INFO L82 PathProgramCache]: Analyzing trace with hash 68876533, now seen corresponding path program 1 times [2018-11-18 11:17:10,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:17:10,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:10,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:10,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:10,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:17:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:10,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:10,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:17:10,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:17:10,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:17:10,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:17:10,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:17:10,266 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-18 11:17:10,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:10,281 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-11-18 11:17:10,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:17:10,282 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 11:17:10,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:17:10,288 INFO L225 Difference]: With dead ends: 74 [2018-11-18 11:17:10,288 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 11:17:10,291 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 11:17:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 11:17:10,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 11:17:10,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 11:17:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-18 11:17:10,316 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-11-18 11:17:10,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:17:10,316 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-18 11:17:10,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:17:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-18 11:17:10,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:17:10,317 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:10,317 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:10,317 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:10,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:10,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1200725332, now seen corresponding path program 1 times [2018-11-18 11:17:10,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:17:10,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:10,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:10,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:10,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:17:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:10,388 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:17:10,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:17:10 BoogieIcfgContainer [2018-11-18 11:17:10,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:17:10,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:17:10,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:17:10,409 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:17:10,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:10" (3/4) ... [2018-11-18 11:17:10,412 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:17:10,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:17:10,412 INFO L168 Benchmark]: Toolchain (without parser) took 814.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:10,414 INFO L168 Benchmark]: CDTParser took 0.17 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 11:17:10,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.76 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:10,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.32 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:17:10,415 INFO L168 Benchmark]: Boogie Preprocessor took 63.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:10,415 INFO L168 Benchmark]: RCFGBuilder took 217.25 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:10,416 INFO L168 Benchmark]: TraceAbstraction took 318.11 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:10,416 INFO L168 Benchmark]: Witness Printer took 3.31 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 11:17:10,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.76 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.32 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 217.25 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 318.11 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.31 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 86]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 81, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L81] double x = -0.0; [L82] CALL, EXPR trunc_double(x) VAL [\old(x)=9] [L18] int signbit; [L19] int msw; [L20] unsigned int lsw; [L21] int exponent_less_1023; VAL [\old(x)=9, x=9] [L23] FCALL ieee_double_shape_type ew_u; [L24] FCALL ew_u.value = (x) [L25] EXPR, FCALL ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR, FCALL ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L27] COND FALSE !(0) VAL [\old(x)=9, lsw=15, msw=2, x=9] [L28] signbit = msw & 0x80000000 [L29] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=9, exponent_less_1023=1024, lsw=15, msw=2, signbit=-1, x=9] [L30] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=9, exponent_less_1023=1024, lsw=15, msw=2, signbit=-1, x=9] [L47] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=9, exponent_less_1023=1024, lsw=15, msw=2, signbit=-1, x=9] [L48] COND TRUE exponent_less_1023 == 1024 [L49] RET return x + x; VAL [\old(x)=9, exponent_less_1023=1024, lsw=15, msw=2, signbit=-1, x=9] [L82] EXPR trunc_double(x) VAL [trunc_double(x)=13, x=9] [L82] double res = trunc_double(x); [L85] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=13, res == -0.0 && __signbit_double(res) == 1=0, x=9] [L85] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L86] __VERIFIER_error() VAL [res=13, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 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=41occurred 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, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 11:17:11,864 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:17:11,865 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:17:11,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:17:11,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:17:11,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:17:11,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:17:11,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:17:11,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:17:11,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:17:11,878 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:17:11,878 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:17:11,879 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:17:11,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:17:11,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:17:11,881 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:17:11,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:17:11,883 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:17:11,884 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:17:11,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:17:11,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:17:11,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:17:11,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:17:11,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:17:11,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:17:11,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:17:11,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:17:11,892 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:17:11,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:17:11,893 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:17:11,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:17:11,894 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:17:11,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:17:11,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:17:11,895 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:17:11,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:17:11,896 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 11:17:11,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:17:11,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:17:11,908 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:17:11,908 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:17:11,908 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:17:11,908 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:17:11,908 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:17:11,908 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:17:11,909 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:17:11,909 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:17:11,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:17:11,910 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:17:11,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:17:11,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:17:11,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:17:11,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:17:11,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:17:11,911 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:17:11,911 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:17:11,911 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:17:11,911 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:17:11,911 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:17:11,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:17:11,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:17:11,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:17:11,912 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:17:11,913 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:17:11,913 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_47de78e6-73e6-4fdb-b1de-93fa29ab0771/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 -> c0077a740f714225dc922bb100a19cc0ae47da01 [2018-11-18 11:17:11,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:17:11,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:17:11,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:17:11,953 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:17:11,954 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:17:11,954 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-11-18 11:17:11,990 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data/1498ea9db/930d70dfda8a49f6a6145b069ee0b66f/FLAG5884b9ebe [2018-11-18 11:17:12,392 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:17:12,393 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-11-18 11:17:12,398 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data/1498ea9db/930d70dfda8a49f6a6145b069ee0b66f/FLAG5884b9ebe [2018-11-18 11:17:12,407 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/data/1498ea9db/930d70dfda8a49f6a6145b069ee0b66f [2018-11-18 11:17:12,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:17:12,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:17:12,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:12,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:17:12,414 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:17:12,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d86102c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12, skipping insertion in model container [2018-11-18 11:17:12,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:17:12,438 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:17:12,581 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:12,585 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:17:12,610 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:12,632 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:17:12,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12 WrapperNode [2018-11-18 11:17:12,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:12,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:17:12,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:17:12,633 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:17:12,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:17:12,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:17:12,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:17:12,654 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:17:12,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... [2018-11-18 11:17:12,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:17:12,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:17:12,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:17:12,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:17:12,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/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 11:17:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 11:17:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 11:17:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 11:17:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 11:17:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:17:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:17:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-11-18 11:17:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-11-18 11:17:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:17:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:17:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:17:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:17:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:17:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:17:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:17:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:17:12,898 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:17:13,037 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:17:13,065 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:17:13,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:13 BoogieIcfgContainer [2018-11-18 11:17:13,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:17:13,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:17:13,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:17:13,068 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:17:13,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:17:12" (1/3) ... [2018-11-18 11:17:13,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4faa2c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:17:13, skipping insertion in model container [2018-11-18 11:17:13,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:12" (2/3) ... [2018-11-18 11:17:13,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4faa2c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:17:13, skipping insertion in model container [2018-11-18 11:17:13,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:13" (3/3) ... [2018-11-18 11:17:13,071 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c_true-unreach-call.c [2018-11-18 11:17:13,076 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:17:13,081 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:17:13,090 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:17:13,110 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:17:13,110 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:17:13,110 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:17:13,110 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:17:13,110 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:17:13,110 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:17:13,110 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:17:13,110 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:17:13,111 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:17:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-18 11:17:13,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:17:13,127 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:13,127 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:13,129 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:13,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:13,132 INFO L82 PathProgramCache]: Analyzing trace with hash 68876533, now seen corresponding path program 1 times [2018-11-18 11:17:13,135 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:17:13,135 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/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 11:17:13,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:13,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:17:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:13,218 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:17:13,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:13,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:17:13,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:17:13,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:17:13,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:17:13,239 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-18 11:17:13,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:13,255 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-11-18 11:17:13,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:17:13,256 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 11:17:13,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:17:13,264 INFO L225 Difference]: With dead ends: 74 [2018-11-18 11:17:13,264 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 11:17:13,266 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:17:13,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 11:17:13,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 11:17:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 11:17:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-18 11:17:13,294 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-11-18 11:17:13,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:17:13,294 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-18 11:17:13,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:17:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-18 11:17:13,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:17:13,295 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:13,295 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:13,296 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:13,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:13,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1200725332, now seen corresponding path program 1 times [2018-11-18 11:17:13,296 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:17:13,296 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 11:17:13,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:13,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:17:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:13,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:17:13,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:13,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:17:13,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:17:13,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:17:13,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:17:13,511 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 7 states. [2018-11-18 11:17:14,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:14,557 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-11-18 11:17:14,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 11:17:14,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-18 11:17:14,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:17:14,560 INFO L225 Difference]: With dead ends: 56 [2018-11-18 11:17:14,560 INFO L226 Difference]: Without dead ends: 33 [2018-11-18 11:17:14,561 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 11:17:14,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-18 11:17:14,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-18 11:17:14,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 11:17:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-11-18 11:17:14,566 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 20 [2018-11-18 11:17:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:17:14,566 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-11-18 11:17:14,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:17:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-18 11:17:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:17:14,567 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:14,567 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:14,567 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:14,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:14,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1223343894, now seen corresponding path program 1 times [2018-11-18 11:17:14,568 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:17:14,568 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 11:17:14,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:14,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:17:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:14,711 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:17:14,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:14,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:17:14,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:17:14,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:17:14,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:17:14,723 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 7 states. [2018-11-18 11:17:15,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:15,059 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-11-18 11:17:15,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 11:17:15,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 11:17:15,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:17:15,061 INFO L225 Difference]: With dead ends: 49 [2018-11-18 11:17:15,061 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 11:17:15,062 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 11:17:15,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 11:17:15,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 11:17:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 11:17:15,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-11-18 11:17:15,067 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 22 [2018-11-18 11:17:15,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:17:15,067 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-11-18 11:17:15,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:17:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-11-18 11:17:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:17:15,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:15,068 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:15,068 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:15,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:15,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1600946695, now seen corresponding path program 1 times [2018-11-18 11:17:15,069 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:17:15,069 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 11:17:15,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:15,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:17:15,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-11-18 11:17:15,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-11-18 11:17:15,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-18 11:17:15,155 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,157 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 11:17:15,163 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2018-11-18 11:17:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:15,224 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:17:15,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:15,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:17:15,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:17:15,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:17:15,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:17:15,239 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-11-18 11:17:15,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:15,357 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-18 11:17:15,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:17:15,357 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 11:17:15,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:17:15,358 INFO L225 Difference]: With dead ends: 34 [2018-11-18 11:17:15,358 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 11:17:15,358 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:17:15,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 11:17:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 11:17:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 11:17:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-18 11:17:15,362 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 22 [2018-11-18 11:17:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:17:15,362 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-18 11:17:15,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:17:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-18 11:17:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:17:15,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:15,363 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:15,363 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:15,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:15,363 INFO L82 PathProgramCache]: Analyzing trace with hash 995573959, now seen corresponding path program 1 times [2018-11-18 11:17:15,364 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:17:15,364 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 11:17:15,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:15,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:17:15,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-11-18 11:17:15,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-18 11:17:15,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-18 11:17:15,517 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,520 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 11:17:15,532 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2018-11-18 11:17:15,686 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 11:17:15,687 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 11:17:15,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 11:17:15,721 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 11:17:15,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 11:17:15,728 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 11:17:15,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 11:17:15,747 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,749 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,752 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 11:17:15,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 11:17:15,758 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 11:17:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:15,940 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:17:15,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:15,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-18 11:17:15,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 11:17:15,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 11:17:15,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-18 11:17:15,949 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 15 states. [2018-11-18 11:17:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:16,784 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-18 11:17:16,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 11:17:16,785 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-11-18 11:17:16,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:17:16,785 INFO L225 Difference]: With dead ends: 31 [2018-11-18 11:17:16,785 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:17:16,785 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-11-18 11:17:16,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:17:16,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:17:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:17:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:17:16,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-18 11:17:16,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:17:16,786 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:17:16,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 11:17:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:17:16,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:17:16,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:17:16,991 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2018-11-18 11:17:17,100 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:17:17,100 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:17:17,100 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:17:17,100 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-11-18 11:17:17,100 INFO L421 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-11-18 11:17:17,100 INFO L425 ceAbstractionStarter]: For program point L65-4(lines 65 69) no Hoare annotation was computed. [2018-11-18 11:17:17,100 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 62 72) no Hoare annotation was computed. [2018-11-18 11:17:17,101 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 62 72) no Hoare annotation was computed. [2018-11-18 11:17:17,101 INFO L428 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 62 72) the Hoare annotation is: true [2018-11-18 11:17:17,101 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:17:17,101 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 11:17:17,101 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:17:17,101 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:17:17,101 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 86) no Hoare annotation was computed. [2018-11-18 11:17:17,101 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 74 91) the Hoare annotation is: true [2018-11-18 11:17:17,101 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 74 91) no Hoare annotation was computed. [2018-11-18 11:17:17,102 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-18 11:17:17,102 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 11:17:17,102 INFO L421 ceAbstractionStarter]: At program point L85-1(line 85) the Hoare annotation is: (and |main_#t~short14| (exists ((v_prenex_9 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9)) (fp.neg (_ +zero 11 53))) (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_9)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) main_~res~0))) (= main_~x~0 (fp.neg (_ +zero 11 53)))) [2018-11-18 11:17:17,102 INFO L425 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-11-18 11:17:17,102 INFO L421 ceAbstractionStarter]: At program point L82(line 82) the Hoare annotation is: (= main_~x~0 (fp.neg (_ +zero 11 53))) [2018-11-18 11:17:17,102 INFO L425 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-11-18 11:17:17,102 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 88) no Hoare annotation was computed. [2018-11-18 11:17:17,102 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 74 91) no Hoare annotation was computed. [2018-11-18 11:17:17,103 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 46) no Hoare annotation was computed. [2018-11-18 11:17:17,103 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2018-11-18 11:17:17,103 INFO L421 ceAbstractionStarter]: At program point L52-3(lines 52 57) the Hoare annotation is: (and (exists ((v_prenex_7 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv20 32))) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 11:17:17,103 INFO L425 ceAbstractionStarter]: For program point L48(lines 48 50) no Hoare annotation was computed. [2018-11-18 11:17:17,103 INFO L425 ceAbstractionStarter]: For program point L52-4(lines 30 58) no Hoare annotation was computed. [2018-11-18 11:17:17,103 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-11-18 11:17:17,103 INFO L421 ceAbstractionStarter]: At program point L32-3(lines 32 37) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= trunc_double_~signbit~0 (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_9))) (= (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9)) |trunc_double_#in~x|))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) trunc_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 11:17:17,104 INFO L428 ceAbstractionStarter]: At program point trunc_doubleENTRY(lines 17 60) the Hoare annotation is: true [2018-11-18 11:17:17,104 INFO L425 ceAbstractionStarter]: For program point trunc_doubleEXIT(lines 17 60) no Hoare annotation was computed. [2018-11-18 11:17:17,104 INFO L425 ceAbstractionStarter]: For program point trunc_doubleFINAL(lines 17 60) no Hoare annotation was computed. [2018-11-18 11:17:17,104 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 58) no Hoare annotation was computed. [2018-11-18 11:17:17,104 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-11-18 11:17:17,104 INFO L421 ceAbstractionStarter]: At program point L22-3(lines 22 27) the Hoare annotation is: (= trunc_double_~x |trunc_double_#in~x|) [2018-11-18 11:17:17,104 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 27) no Hoare annotation was computed. [2018-11-18 11:17:17,104 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-11-18 11:17:17,104 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 45) no Hoare annotation was computed. [2018-11-18 11:17:17,105 INFO L421 ceAbstractionStarter]: At program point L39-3(lines 39 45) the Hoare annotation is: (and (exists ((v_prenex_8 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) trunc_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 11:17:17,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,117 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,117 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,117 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,117 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,117 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,118 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,118 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,119 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,119 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,119 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,120 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,120 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,120 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,120 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,120 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,121 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,121 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,121 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,121 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,123 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,123 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,123 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,123 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,123 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,123 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,124 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,125 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,125 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,125 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,125 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,125 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,126 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,126 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,126 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,126 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,126 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,126 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,127 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,127 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,127 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,127 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,129 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,129 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,129 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:17:17 BoogieIcfgContainer [2018-11-18 11:17:17,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:17:17,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:17:17,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:17:17,131 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:17:17,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:13" (3/4) ... [2018-11-18 11:17:17,134 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:17:17,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:17:17,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-11-18 11:17:17,139 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:17:17,139 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_double [2018-11-18 11:17:17,142 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-11-18 11:17:17,143 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 11:17:17,143 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:17:17,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 11:17:17,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 11:17:17,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_9[63:32]) && ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 11:17:17,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_8 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 11:17:17,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) && (\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 11:17:17,181 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47de78e6-73e6-4fdb-b1de-93fa29ab0771/bin-2019/utaipan/witness.graphml [2018-11-18 11:17:17,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:17:17,182 INFO L168 Benchmark]: Toolchain (without parser) took 4772.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 949.7 MB in the beginning and 812.5 MB in the end (delta: 137.2 MB). Peak memory consumption was 257.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:17,183 INFO L168 Benchmark]: CDTParser took 0.13 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 11:17:17,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.86 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:17,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.18 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:17:17,183 INFO L168 Benchmark]: Boogie Preprocessor took 31.77 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:17:17,183 INFO L168 Benchmark]: RCFGBuilder took 379.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:17,184 INFO L168 Benchmark]: TraceAbstraction took 4064.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 819.6 MB in the end (delta: 267.1 MB). Peak memory consumption was 267.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:17,184 INFO L168 Benchmark]: Witness Printer took 50.53 ms. Allocated memory is still 1.1 GB. Free memory was 819.6 MB in the beginning and 812.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:17,185 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 221.86 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.18 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.77 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 379.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4064.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 819.6 MB in the end (delta: 267.1 MB). Peak memory consumption was 267.1 MB. Max. memory is 11.5 GB. * Witness Printer took 50.53 ms. Allocated memory is still 1.1 GB. Free memory was 819.6 MB in the beginning and 812.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 86]: 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: 52]: Loop Invariant [2018-11-18 11:17:17,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) && (\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 32]: Loop Invariant [2018-11-18 11:17:17,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_9[63:32]) && ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 39]: Loop Invariant [2018-11-18 11:17:17,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 11:17:17,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 11:17:17,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_8 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 120 SDslu, 510 SDs, 0 SdLazy, 239 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 19 PreInvPairs, 25 NumberOfFragments, 239 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 93 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 40 QuantifiedInterpolants, 24145 SizeOfPredicates, 21 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...