./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b ........................................................................................................................................................................................................................................................................................................................................ 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_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:03:13,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:03:13,935 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:03:13,941 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:03:13,941 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:03:13,942 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:03:13,942 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:03:13,943 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:03:13,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:03:13,944 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:03:13,945 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:03:13,945 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:03:13,945 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:03:13,946 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:03:13,947 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:03:13,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:03:13,947 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:03:13,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:03:13,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:03:13,950 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:03:13,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:03:13,951 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:03:13,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:03:13,952 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:03:13,952 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:03:13,953 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:03:13,953 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:03:13,954 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:03:13,954 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:03:13,955 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:03:13,955 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:03:13,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:03:13,955 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:03:13,955 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:03:13,956 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:03:13,956 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:03:13,956 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:03:13,964 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:03:13,964 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:03:13,964 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:03:13,964 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:03:13,964 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:03:13,964 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:03:13,965 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:03:13,965 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:03:13,965 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:03:13,965 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:03:13,965 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:03:13,965 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:03:13,965 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:03:13,965 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:03:13,965 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:03:13,966 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:03:13,966 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:03:13,967 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:03:13,967 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:03:13,967 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:03:13,967 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:03:13,967 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:03:13,967 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:03:13,967 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:03:13,967 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:03:13,967 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:03:13,967 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_e6707e28-d3c3-4743-b2f2-3c5352553566/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 -> ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b [2018-12-09 11:03:13,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:03:13,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:03:13,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:03:13,993 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:03:13,994 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:03:13,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0910a_true-unreach-call.c [2018-12-09 11:03:14,028 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data/8c02cab54/3b4a1e1c22a84dba9e1c96eaf78dea87/FLAG71ae18d6f [2018-12-09 11:03:14,438 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:03:14,439 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/sv-benchmarks/c/float-newlib/double_req_bl_0910a_true-unreach-call.c [2018-12-09 11:03:14,443 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data/8c02cab54/3b4a1e1c22a84dba9e1c96eaf78dea87/FLAG71ae18d6f [2018-12-09 11:03:14,451 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data/8c02cab54/3b4a1e1c22a84dba9e1c96eaf78dea87 [2018-12-09 11:03:14,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:03:14,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:03:14,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:03:14,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:03:14,456 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:03:14,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651df91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14, skipping insertion in model container [2018-12-09 11:03:14,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:03:14,474 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:03:14,575 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:03:14,577 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:03:14,599 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:03:14,643 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:03:14,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14 WrapperNode [2018-12-09 11:03:14,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:03:14,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:03:14,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:03:14,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:03:14,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:03:14,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:03:14,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:03:14,663 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:03:14,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... [2018-12-09 11:03:14,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:03:14,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:03:14,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:03:14,684 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:03:14,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 [2018-12-09 11:03:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 11:03:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 11:03:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-09 11:03:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-09 11:03:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:03:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:03:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 11:03:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:03:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:03:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:03:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 11:03:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:03:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:03:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:03:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 11:03:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:03:14,909 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:03:14,909 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 11:03:14,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:03:14 BoogieIcfgContainer [2018-12-09 11:03:14,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:03:14,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:03:14,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:03:14,913 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:03:14,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:03:14" (1/3) ... [2018-12-09 11:03:14,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c0e65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:03:14, skipping insertion in model container [2018-12-09 11:03:14,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:14" (2/3) ... [2018-12-09 11:03:14,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c0e65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:03:14, skipping insertion in model container [2018-12-09 11:03:14,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:03:14" (3/3) ... [2018-12-09 11:03:14,916 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a_true-unreach-call.c [2018-12-09 11:03:14,922 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:03:14,927 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:03:14,936 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:03:14,957 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:03:14,957 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:03:14,957 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:03:14,957 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:03:14,957 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:03:14,957 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:03:14,957 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:03:14,957 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:03:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-12-09 11:03:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:03:14,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:03:14,972 INFO L402 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] [2018-12-09 11:03:14,974 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:03:14,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:03:14,977 INFO L82 PathProgramCache]: Analyzing trace with hash 678028914, now seen corresponding path program 1 times [2018-12-09 11:03:14,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:03:15,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:03:15,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:03:15,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:03:15,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:03:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:03:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:03:15,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:03:15,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:03:15,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:03:15,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:03:15,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:03:15,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:03:15,081 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-12-09 11:03:15,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:03:15,095 INFO L93 Difference]: Finished difference Result 82 states and 121 transitions. [2018-12-09 11:03:15,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:03:15,095 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-09 11:03:15,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:03:15,101 INFO L225 Difference]: With dead ends: 82 [2018-12-09 11:03:15,101 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 11:03:15,103 INFO L631 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 [2018-12-09 11:03:15,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 11:03:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-09 11:03:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 11:03:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-12-09 11:03:15,125 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 24 [2018-12-09 11:03:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:03:15,126 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-12-09 11:03:15,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:03:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-09 11:03:15,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:03:15,126 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:03:15,126 INFO L402 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] [2018-12-09 11:03:15,127 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:03:15,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:03:15,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1563027624, now seen corresponding path program 1 times [2018-12-09 11:03:15,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:03:15,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:03:15,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:03:15,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:03:15,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:03:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:03:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:03:15,215 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 11:03:15,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:03:15 BoogieIcfgContainer [2018-12-09 11:03:15,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:03:15,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:03:15,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:03:15,238 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:03:15,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:03:14" (3/4) ... [2018-12-09 11:03:15,240 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:03:15,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:03:15,241 INFO L168 Benchmark]: Toolchain (without parser) took 787.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -78.3 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:03:15,242 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:03:15,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:03:15,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:03:15,243 INFO L168 Benchmark]: Boogie Preprocessor took 20.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:03:15,243 INFO L168 Benchmark]: RCFGBuilder took 226.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:03:15,243 INFO L168 Benchmark]: TraceAbstraction took 326.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:03:15,244 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:03:15,245 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 226.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 326.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 137]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of bitwiseAnd at line 26. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=10737418260, \old(Lg2_log)=10737418263, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418245, \old(Lg5_log)=10737418247, \old(Lg6_log)=10737418256, \old(Lg7_log)=10737418253, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418248, \old(two54_log)=10737418257, \old(zero)=10737418261, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L132] double x = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L133] CALL, EXPR __ieee754_log(x) VAL [\old(x)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [\old(x)=0, hx=1048575, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, x=0, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=0, hx=1048575, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, x=0, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [\old(x)=0, hx=1048575, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, x=0, zero=0] [L133] RET, EXPR __ieee754_log(x) VAL [__ieee754_log(x)=10737418246, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L133] double res = __ieee754_log(x); [L136] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418246, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L19] __int32_t hx, lx; VAL [\old(x)=10737418246, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418246, zero=0] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418246, \result=0, hx=2146435072, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, x=10737418246, zero=0] [L136] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=10737418246, two54_log=18014398509481984, x=0, zero=0] [L136] COND TRUE !isinf_double(res) [L137] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=10737418246, two54_log=18014398509481984, x=0, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 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=45occurred 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, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 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 0.1.23-635dfa2 [2018-12-09 11:03:16,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:03:16,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:03:16,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:03:16,616 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:03:16,616 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:03:16,617 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:03:16,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:03:16,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:03:16,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:03:16,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:03:16,621 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:03:16,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:03:16,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:03:16,623 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:03:16,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:03:16,624 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:03:16,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:03:16,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:03:16,628 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:03:16,629 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:03:16,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:03:16,631 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:03:16,631 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:03:16,631 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:03:16,632 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:03:16,633 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:03:16,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:03:16,633 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:03:16,634 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:03:16,634 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:03:16,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:03:16,635 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:03:16,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:03:16,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:03:16,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:03:16,636 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 11:03:16,647 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:03:16,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:03:16,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:03:16,648 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:03:16,648 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:03:16,648 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:03:16,648 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:03:16,648 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:03:16,648 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:03:16,649 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:03:16,649 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:03:16,649 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:03:16,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:03:16,650 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:03:16,650 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:03:16,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:03:16,650 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:03:16,650 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 11:03:16,650 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 11:03:16,651 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:03:16,651 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:03:16,651 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:03:16,651 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:03:16,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:03:16,651 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:03:16,652 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:03:16,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:03:16,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:03:16,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:03:16,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:03:16,652 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:03:16,652 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 11:03:16,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:03:16,653 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 11:03:16,653 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 11:03:16,653 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_e6707e28-d3c3-4743-b2f2-3c5352553566/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 -> ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b [2018-12-09 11:03:16,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:03:16,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:03:16,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:03:16,687 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:03:16,687 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:03:16,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0910a_true-unreach-call.c [2018-12-09 11:03:16,722 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data/965873649/91d16338b8b740ccb8c3738b6a1e8492/FLAG6699e2e35 [2018-12-09 11:03:17,053 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:03:17,053 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/sv-benchmarks/c/float-newlib/double_req_bl_0910a_true-unreach-call.c [2018-12-09 11:03:17,057 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data/965873649/91d16338b8b740ccb8c3738b6a1e8492/FLAG6699e2e35 [2018-12-09 11:03:17,454 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/data/965873649/91d16338b8b740ccb8c3738b6a1e8492 [2018-12-09 11:03:17,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:03:17,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:03:17,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:03:17,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:03:17,460 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:03:17,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f19a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17, skipping insertion in model container [2018-12-09 11:03:17,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:03:17,479 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:03:17,580 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:03:17,584 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:03:17,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:03:17,624 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:03:17,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17 WrapperNode [2018-12-09 11:03:17,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:03:17,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:03:17,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:03:17,625 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:03:17,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:03:17,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:03:17,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:03:17,641 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:03:17,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... [2018-12-09 11:03:17,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:03:17,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:03:17,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:03:17,694 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:03:17,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 [2018-12-09 11:03:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 11:03:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 11:03:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 11:03:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 11:03:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-09 11:03:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-09 11:03:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:03:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:03:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:03:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:03:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:03:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 11:03:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:03:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:03:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 11:03:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:03:21,764 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:03:39,088 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:03:39,184 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:03:39,346 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:03:39,358 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:03:39,358 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 11:03:39,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:03:39 BoogieIcfgContainer [2018-12-09 11:03:39,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:03:39,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:03:39,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:03:39,361 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:03:39,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:03:17" (1/3) ... [2018-12-09 11:03:39,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee659b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:03:39, skipping insertion in model container [2018-12-09 11:03:39,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:03:17" (2/3) ... [2018-12-09 11:03:39,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee659b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:03:39, skipping insertion in model container [2018-12-09 11:03:39,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:03:39" (3/3) ... [2018-12-09 11:03:39,363 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a_true-unreach-call.c [2018-12-09 11:03:39,368 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:03:39,373 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:03:39,381 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:03:39,400 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:03:39,400 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:03:39,400 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:03:39,400 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:03:39,400 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:03:39,400 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:03:39,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:03:39,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:03:39,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:03:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-12-09 11:03:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:03:39,414 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:03:39,414 INFO L402 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] [2018-12-09 11:03:39,416 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:03:39,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:03:39,419 INFO L82 PathProgramCache]: Analyzing trace with hash 594479389, now seen corresponding path program 1 times [2018-12-09 11:03:39,421 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:03:39,422 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 [2018-12-09 11:03:39,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:03:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:03:40,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:03:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:03:40,116 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:03:40,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:03:40,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:03:40,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:03:40,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:03:40,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:03:40,145 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-12-09 11:03:40,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:03:40,158 INFO L93 Difference]: Finished difference Result 80 states and 119 transitions. [2018-12-09 11:03:40,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:03:40,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 11:03:40,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:03:40,164 INFO L225 Difference]: With dead ends: 80 [2018-12-09 11:03:40,165 INFO L226 Difference]: Without dead ends: 40 [2018-12-09 11:03:40,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:03:40,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-09 11:03:40,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-09 11:03:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-09 11:03:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2018-12-09 11:03:40,188 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 23 [2018-12-09 11:03:40,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:03:40,189 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2018-12-09 11:03:40,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:03:40,189 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2018-12-09 11:03:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:03:40,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:03:40,190 INFO L402 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] [2018-12-09 11:03:40,190 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:03:40,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:03:40,190 INFO L82 PathProgramCache]: Analyzing trace with hash -463817501, now seen corresponding path program 1 times [2018-12-09 11:03:40,191 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:03:40,191 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 [2018-12-09 11:03:40,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:03:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:03:40,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:03:48,471 WARN L180 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 13 [2018-12-09 11:03:48,550 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 11:03:48,550 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 11:03:48,551 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 11:03:48,552 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 11:03:48,556 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-12-09 11:03:48,592 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 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 70 treesize of output 52 [2018-12-09 11:03:48,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 11:03:48,623 INFO L478 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 20 treesize of output 16 [2018-12-09 11:03:48,624 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 11:03:48,639 INFO L478 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 37 treesize of output 29 [2018-12-09 11:03:48,659 INFO L478 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 25 treesize of output 11 [2018-12-09 11:03:48,660 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 11:03:48,668 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:03:48,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:03:48,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 11:03:48,693 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:64, output treesize:28 [2018-12-09 11:03:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:03:48,912 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:03:48,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:03:48,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 11:03:48,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 11:03:48,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 11:03:48,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:03:48,929 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand 10 states. [2018-12-09 11:04:08,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:04:08,501 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2018-12-09 11:04:08,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 11:04:08,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-12-09 11:04:08,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:04:08,504 INFO L225 Difference]: With dead ends: 49 [2018-12-09 11:04:08,504 INFO L226 Difference]: Without dead ends: 42 [2018-12-09 11:04:08,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-09 11:04:08,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-09 11:04:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-12-09 11:04:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-09 11:04:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2018-12-09 11:04:08,511 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 25 [2018-12-09 11:04:08,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:04:08,511 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2018-12-09 11:04:08,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 11:04:08,512 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2018-12-09 11:04:08,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:04:08,512 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:04:08,512 INFO L402 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] [2018-12-09 11:04:08,512 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:04:08,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:04:08,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1154507228, now seen corresponding path program 1 times [2018-12-09 11:04:08,513 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:04:08,513 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 [2018-12-09 11:04:08,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:04:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:04:08,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:04:08,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:04:08,676 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:04:08,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:04:08,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:04:08,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:04:08,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:04:08,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:04:08,686 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand 6 states. [2018-12-09 11:04:19,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:04:19,764 INFO L93 Difference]: Finished difference Result 68 states and 84 transitions. [2018-12-09 11:04:20,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 11:04:20,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-09 11:04:20,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:04:20,355 INFO L225 Difference]: With dead ends: 68 [2018-12-09 11:04:20,355 INFO L226 Difference]: Without dead ends: 42 [2018-12-09 11:04:20,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:04:20,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-09 11:04:20,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-12-09 11:04:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-09 11:04:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2018-12-09 11:04:20,361 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 25 [2018-12-09 11:04:20,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:04:20,361 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2018-12-09 11:04:20,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:04:20,362 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2018-12-09 11:04:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:04:20,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:04:20,362 INFO L402 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] [2018-12-09 11:04:20,363 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:04:20,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:04:20,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1436946137, now seen corresponding path program 1 times [2018-12-09 11:04:20,363 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:04:20,364 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 [2018-12-09 11:04:20,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:04:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:04:21,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:04:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:04:21,176 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:04:21,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:04:21,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:04:21,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:04:21,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:04:21,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:04:21,191 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states. [2018-12-09 11:04:28,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:04:28,498 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2018-12-09 11:04:28,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:04:28,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-12-09 11:04:28,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:04:28,500 INFO L225 Difference]: With dead ends: 53 [2018-12-09 11:04:28,501 INFO L226 Difference]: Without dead ends: 40 [2018-12-09 11:04:28,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:04:28,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-09 11:04:28,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-09 11:04:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-09 11:04:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2018-12-09 11:04:28,506 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 26 [2018-12-09 11:04:28,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:04:28,506 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2018-12-09 11:04:28,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:04:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2018-12-09 11:04:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:04:28,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:04:28,507 INFO L402 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] [2018-12-09 11:04:28,507 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:04:28,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:04:28,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1284377614, now seen corresponding path program 1 times [2018-12-09 11:04:28,507 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:04:28,508 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/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 [2018-12-09 11:04:28,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:04:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:04:28,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:04:30,305 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-09 11:04:31,917 WARN L180 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-12-09 11:04:33,771 WARN L180 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 19 [2018-12-09 11:04:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:04:33,778 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:04:33,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:04:33,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 11:04:33,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:04:33,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:04:33,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:04:33,792 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 8 states. [2018-12-09 11:04:41,456 WARN L180 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-09 11:04:46,047 WARN L180 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 25 [2018-12-09 11:04:51,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:04:51,820 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-12-09 11:04:51,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:04:51,821 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-12-09 11:04:51,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:04:51,821 INFO L225 Difference]: With dead ends: 53 [2018-12-09 11:04:51,822 INFO L226 Difference]: Without dead ends: 40 [2018-12-09 11:04:51,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:04:51,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-09 11:04:51,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-09 11:04:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-09 11:04:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-12-09 11:04:51,828 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 29 [2018-12-09 11:04:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:04:51,829 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-12-09 11:04:51,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:04:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-12-09 11:04:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:04:51,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:04:51,830 INFO L402 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, 1, 1, 1, 1, 1] [2018-12-09 11:04:51,830 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:04:51,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:04:51,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1559044886, now seen corresponding path program 1 times [2018-12-09 11:04:51,831 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:04:51,831 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 11:04:51,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:04:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:04:55,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:04:58,008 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 10 [2018-12-09 11:04:59,864 WARN L180 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-12-09 11:05:01,842 WARN L180 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-09 11:05:04,273 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 25 [2018-12-09 11:05:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:05:04,283 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:05:04,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:05:04,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 11:05:04,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 11:05:04,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 11:05:04,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:05:04,333 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 9 states. [2018-12-09 11:05:15,675 WARN L180 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-09 11:05:18,329 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 23 [2018-12-09 11:05:25,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:05:25,809 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-12-09 11:05:25,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 11:05:25,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2018-12-09 11:05:25,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:05:25,811 INFO L225 Difference]: With dead ends: 53 [2018-12-09 11:05:25,811 INFO L226 Difference]: Without dead ends: 37 [2018-12-09 11:05:25,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-12-09 11:05:25,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-09 11:05:25,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-09 11:05:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 11:05:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-12-09 11:05:25,817 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2018-12-09 11:05:25,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:05:25,817 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-12-09 11:05:25,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 11:05:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-12-09 11:05:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:05:25,818 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:05:25,818 INFO L402 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, 1, 1, 1, 1, 1] [2018-12-09 11:05:25,818 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:05:25,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:05:25,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1814025565, now seen corresponding path program 1 times [2018-12-09 11:05:25,819 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:05:25,819 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-09 11:05:25,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:05:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:05:26,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:05:26,394 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-09 11:05:28,884 WARN L180 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 15 [2018-12-09 11:05:31,444 WARN L180 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 24 [2018-12-09 11:05:33,595 WARN L180 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-12-09 11:05:36,427 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-09 11:05:41,851 WARN L180 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 29 [2018-12-09 11:05:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:05:41,859 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:05:41,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:05:41,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 11:05:41,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 11:05:41,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 11:05:41,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-09 11:05:41,871 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 11 states. [2018-12-09 11:05:50,922 WARN L180 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 26 [2018-12-09 11:05:58,992 WARN L180 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 34 [2018-12-09 11:06:05,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:06:05,081 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-12-09 11:06:05,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 11:06:05,082 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2018-12-09 11:06:05,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:06:05,083 INFO L225 Difference]: With dead ends: 50 [2018-12-09 11:06:05,083 INFO L226 Difference]: Without dead ends: 37 [2018-12-09 11:06:05,083 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-12-09 11:06:05,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-09 11:06:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-09 11:06:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 11:06:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-12-09 11:06:05,087 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2018-12-09 11:06:05,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:06:05,087 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-12-09 11:06:05,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 11:06:05,087 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-12-09 11:06:05,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:06:05,087 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:06:05,087 INFO L402 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, 1, 1, 1, 1, 1] [2018-12-09 11:06:05,088 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:06:05,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:06:05,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1520622558, now seen corresponding path program 1 times [2018-12-09 11:06:05,088 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:06:05,088 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-09 11:06:05,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:06:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:06:06,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:06:06,026 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 11:06:06,027 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 11:06:06,027 INFO L478 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 [2018-12-09 11:06:06,064 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 27 treesize of output 24 [2018-12-09 11:06:06,065 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 11:06:06,081 INFO L478 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 [2018-12-09 11:06:06,088 INFO L478 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 [2018-12-09 11:06:06,088 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 11:06:06,091 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:06:06,094 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:06:06,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 11:06:06,105 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-09 11:06:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:06:06,155 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:06:06,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:06:06,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:06:06,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:06:06,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:06:06,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:06:06,172 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 6 states. [2018-12-09 11:06:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:06:07,411 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-12-09 11:06:07,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:06:07,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-12-09 11:06:07,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:06:07,413 INFO L225 Difference]: With dead ends: 37 [2018-12-09 11:06:07,413 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:06:07,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:06:07,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:06:07,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:06:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:06:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:06:07,414 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-12-09 11:06:07,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:06:07,414 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:06:07,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:06:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:06:07,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:06:07,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:06:20,098 WARN L180 SmtUtils]: Spent 12.62 s on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-12-09 11:06:25,392 WARN L180 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2018-12-09 11:06:25,523 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:06:25,523 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:06:25,523 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:06:25,523 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-12-09 11:06:25,523 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-12-09 11:06:25,523 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (and (exists ((v_prenex_14 (_ BitVec 64))) (and (= ((_ extract 31 0) v_prenex_14) __ieee754_log_~lx~1) (= ((_ extract 63 32) v_prenex_14) __ieee754_log_~hx~1) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_14) ((_ extract 62 52) v_prenex_14) ((_ extract 51 0) v_prenex_14))))) (= (bvadd __ieee754_log_~k~0 (_ bv54 32)) (_ bv0 32)) (= __ieee754_log_~x (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0)) (exists ((v_prenex_14 (_ BitVec 64))) (and (not (= (_ bv0 32) (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_14)) ((_ extract 31 0) v_prenex_14)))) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_14) ((_ extract 62 52) v_prenex_14) ((_ extract 51 0) v_prenex_14)))))) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-12-09 11:06:25,524 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (and (exists ((__ieee754_log_~hx~1 (_ BitVec 32))) (= (bvand (_ bv1048576 32) (bvadd __ieee754_log_~hx~1 (_ bv614244 32))) __ieee754_log_~i~0)) (= __ieee754_log_~x (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0)) (exists ((v_prenex_14 (_ BitVec 64))) (and (not (= (_ bv0 32) (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_14)) ((_ extract 31 0) v_prenex_14)))) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_14) ((_ extract 62 52) v_prenex_14) ((_ extract 51 0) v_prenex_14))))) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= (bvadd __ieee754_log_~k~0 (_ bv1077 32)) (bvashr ((_ extract 63 32) |v_q#valueAsBitvector_8|) (_ bv20 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)) (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0)))) (exists ((|v_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (bvand (_ bv1048575 32) ((_ extract 63 32) |v_q#valueAsBitvector_7|)) __ieee754_log_~hx~1) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|)) (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0))))) (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((v_prenex_12 (_ BitVec 64))) (and (not (bvslt ((_ extract 63 32) v_prenex_12) (_ bv1048576 32))) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) (= __ieee754_log_~x |__ieee754_log_#in~x|))) [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (not (= (_ +zero 11 53) ~zero~0)) (= isinf_double_~x |isinf_double_#in~x|)) [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 18 30) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 18 30) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 18 30) the Hoare annotation is: true [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~two54_log~0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (= (_ +zero 11 53) ~zero~0)) [2018-12-09 11:06:25,525 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 126 142) the Hoare annotation is: true [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 126 142) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 126 142) no Hoare annotation was computed. [2018-12-09 11:06:25,525 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0))) (or (not (= .cse0 ~two54_log~0)) (= (fp.div roundNearestTiesToEven (fp.neg .cse0) (_ +zero 11 53)) main_~res~0) (not (= (_ +zero 11 53) ~zero~0)))) [2018-12-09 11:06:25,526 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 136 139) no Hoare annotation was computed. [2018-12-09 11:06:25,526 INFO L444 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (= (_ +zero 11 53) main_~x~0) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-09 11:06:25,526 INFO L448 ceAbstractionStarter]: For program point L133-1(line 133) no Hoare annotation was computed. [2018-12-09 11:06:25,531 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,537 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-12-09 11:06:25,537 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,539 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,539 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,544 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,544 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,544 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,544 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,544 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,544 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,545 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,545 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,545 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,545 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,545 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,545 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,546 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,546 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,547 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,547 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:06:25 BoogieIcfgContainer [2018-12-09 11:06:25,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:06:25,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:06:25,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:06:25,549 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:06:25,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:03:39" (3/4) ... [2018-12-09 11:06:25,552 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:06:25,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:06:25,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-09 11:06:25,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-09 11:06:25,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:06:25,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-12-09 11:06:25,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-09 11:06:25,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 11:06:25,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:06:25,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || x == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-09 11:06:25,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || !(~Pluszero~LONGDOUBLE() == zero)) || x == \old(x) [2018-12-09 11:06:25,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || ((((\exists v_prenex_14 : bv64 :: (v_prenex_14[31:0] == lx && v_prenex_14[63:32] == hx) && \old(x) == ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0])) && ~bvadd64(k, 54bv32) == 0bv32) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) && (\exists v_prenex_14 : bv64 :: !(0bv32 == ~bvor32(~bvand32(2147483647bv32, v_prenex_14[63:32]), v_prenex_14[31:0])) && \old(x) == ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0])))) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-09 11:06:25,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || (((((\exists __ieee754_log_~hx~1 : bv32 :: ~bvand32(1048576bv32, ~bvadd64(__ieee754_log_~hx~1, 614244bv32)) == i) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) && (\exists v_prenex_14 : bv64 :: !(0bv32 == ~bvor32(~bvand32(2147483647bv32, v_prenex_14[63:32]), v_prenex_14[31:0])) && \old(x) == ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0]))) && (\exists v_q#valueAsBitvector_8 : bv64 :: ~bvadd64(k, 1077bv32) == ~bvashr32(v_q#valueAsBitvector_8[63:32], 20bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log))) && (\exists v_q#valueAsBitvector_7 : bv64 :: ~bvand32(1048575bv32, v_q#valueAsBitvector_7[63:32]) == hx && ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)))) || !(~Pluszero~LONGDOUBLE() == zero)) || ((\exists v_prenex_12 : bv64 :: !~bvslt32(v_prenex_12[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0])) && x == \old(x)) [2018-12-09 11:06:25,594 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6707e28-d3c3-4743-b2f2-3c5352553566/bin-2019/utaipan/witness.graphml [2018-12-09 11:06:25,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:06:25,594 INFO L168 Benchmark]: Toolchain (without parser) took 188138.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.0 MB in the beginning and 972.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,595 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:06:25,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.31 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.73 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:06:25,596 INFO L168 Benchmark]: Boogie Preprocessor took 52.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,596 INFO L168 Benchmark]: RCFGBuilder took 21664.90 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,596 INFO L168 Benchmark]: TraceAbstraction took 166189.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 978.8 MB in the end (delta: 106.9 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,596 INFO L168 Benchmark]: Witness Printer took 45.29 ms. Allocated memory is still 1.2 GB. Free memory was 978.8 MB in the beginning and 972.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,598 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.31 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 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 15.73 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 21664.90 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 166189.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 978.8 MB in the end (delta: 106.9 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. * Witness Printer took 45.29 ms. Allocated memory is still 1.2 GB. Free memory was 978.8 MB in the beginning and 972.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 137]: 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: 76]: Loop Invariant [2018-12-09 11:06:25,602 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-12-09 11:06:25,603 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,604 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,605 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,606 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-12-09 11:06:25,606 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 11:06:25,607 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 11:06:25,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] Derived loop invariant: ((!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || (((((\exists __ieee754_log_~hx~1 : bv32 :: ~bvand32(1048576bv32, ~bvadd64(__ieee754_log_~hx~1, 614244bv32)) == i) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) && (\exists v_prenex_14 : bv64 :: !(0bv32 == ~bvor32(~bvand32(2147483647bv32, v_prenex_14[63:32]), v_prenex_14[31:0])) && \old(x) == ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0]))) && (\exists v_q#valueAsBitvector_8 : bv64 :: ~bvadd64(k, 1077bv32) == ~bvashr32(v_q#valueAsBitvector_8[63:32], 20bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log))) && (\exists v_q#valueAsBitvector_7 : bv64 :: ~bvand32(1048575bv32, v_q#valueAsBitvector_7[63:32]) == hx && ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)))) || !(~Pluszero~LONGDOUBLE() == zero)) || ((\exists v_prenex_12 : bv64 :: !~bvslt32(v_prenex_12[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0])) && x == \old(x)) - InvariantResult [Line: 65]: Loop Invariant [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,610 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,611 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-09 11:06:25,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || ((((\exists v_prenex_14 : bv64 :: (v_prenex_14[31:0] == lx && v_prenex_14[63:32] == hx) && \old(x) == ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0])) && ~bvadd64(k, 54bv32) == 0bv32) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) && (\exists v_prenex_14 : bv64 :: !(0bv32 == ~bvor32(~bvand32(2147483647bv32, v_prenex_14[63:32]), v_prenex_14[31:0])) && \old(x) == ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0])))) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 20]: Loop Invariant [2018-12-09 11:06:25,612 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,612 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || !(~Pluszero~LONGDOUBLE() == zero)) || x == \old(x) - InvariantResult [Line: 50]: Loop Invariant [2018-12-09 11:06:25,612 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:06:25,613 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || x == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 44 locations, 1 error locations. SAFE Result, 166.1s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 102.5s AutomataDifference, 0.0s DeadEndRemovalTime, 18.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 303 SDtfs, 206 SDslu, 1040 SDs, 0 SdLazy, 443 SolverSat, 27 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 74.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 59.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 8 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 26 PreInvPairs, 32 NumberOfFragments, 248 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 147 FormulaSimplificationTreeSizeReductionInter, 18.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 38.3s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 225 ConstructedInterpolants, 58 QuantifiedInterpolants, 62939 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1027 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...