./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0930_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_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 a2549d464b179f7f7f50962dd1fbb8e0dbdceb3b ............................................................................................................................................................................................................................................................................................................................ 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_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 a2549d464b179f7f7f50962dd1fbb8e0dbdceb3b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:33:22,034 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:33:22,035 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:33:22,041 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:33:22,041 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:33:22,042 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:33:22,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:33:22,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:33:22,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:33:22,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:33:22,045 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:33:22,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:33:22,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:33:22,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:33:22,046 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:33:22,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:33:22,047 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:33:22,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:33:22,049 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:33:22,049 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:33:22,050 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:33:22,050 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:33:22,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:33:22,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:33:22,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:33:22,052 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:33:22,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:33:22,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:33:22,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:33:22,054 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:33:22,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:33:22,054 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:33:22,054 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:33:22,054 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:33:22,055 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:33:22,055 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:33:22,055 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:33:22,062 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:33:22,062 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:33:22,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:33:22,063 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:33:22,063 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:33:22,063 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:33:22,063 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:33:22,063 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:33:22,063 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:33:22,063 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:33:22,064 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:33:22,064 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:33:22,065 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:33:22,065 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:33:22,065 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:33:22,066 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:33:22,066 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:33:22,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:33:22,066 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:33:22,066 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_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 -> a2549d464b179f7f7f50962dd1fbb8e0dbdceb3b [2018-12-09 12:33:22,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:33:22,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:33:22,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:33:22,097 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:33:22,097 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:33:22,097 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c [2018-12-09 12:33:22,139 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data/fc75e19d0/0760e99ba3d14e23bc6fcf59d6e53142/FLAGe1a64d90c [2018-12-09 12:33:22,467 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:33:22,468 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c [2018-12-09 12:33:22,472 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data/fc75e19d0/0760e99ba3d14e23bc6fcf59d6e53142/FLAGe1a64d90c [2018-12-09 12:33:22,480 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data/fc75e19d0/0760e99ba3d14e23bc6fcf59d6e53142 [2018-12-09 12:33:22,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:33:22,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:33:22,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:33:22,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:33:22,485 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:33:22,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ddcec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22, skipping insertion in model container [2018-12-09 12:33:22,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:33:22,504 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:33:22,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:33:22,612 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:33:22,641 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:33:22,687 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:33:22,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22 WrapperNode [2018-12-09 12:33:22,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:33:22,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:33:22,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:33:22,688 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:33:22,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:33:22,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:33:22,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:33:22,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:33:22,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... [2018-12-09 12:33:22,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:33:22,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:33:22,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:33:22,732 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:33:22,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:33:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 12:33:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 12:33:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-09 12:33:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:33:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:33:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:33:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 12:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:33:22,946 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:33:22,946 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 12:33:22,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:22 BoogieIcfgContainer [2018-12-09 12:33:22,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:33:22,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:33:22,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:33:22,950 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:33:22,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:33:22" (1/3) ... [2018-12-09 12:33:22,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64366ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:33:22, skipping insertion in model container [2018-12-09 12:33:22,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:22" (2/3) ... [2018-12-09 12:33:22,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64366ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:33:22, skipping insertion in model container [2018-12-09 12:33:22,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:22" (3/3) ... [2018-12-09 12:33:22,953 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930_true-unreach-call.c [2018-12-09 12:33:22,961 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:33:22,966 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:33:22,974 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:33:22,994 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:33:22,994 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:33:22,994 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:33:22,994 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:33:22,994 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:33:22,994 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:33:22,994 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:33:22,994 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:33:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-12-09 12:33:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 12:33:23,007 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:33:23,007 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:33:23,009 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:33:23,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:33:23,012 INFO L82 PathProgramCache]: Analyzing trace with hash 239483750, now seen corresponding path program 1 times [2018-12-09 12:33:23,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:33:23,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:33:23,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:33:23,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:33:23,041 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:33:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:23,096 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 12:33:23,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:33:23,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:33:23,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:33:23,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:33:23,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:33:23,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:33:23,109 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-12-09 12:33:23,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:33:23,123 INFO L93 Difference]: Finished difference Result 84 states and 125 transitions. [2018-12-09 12:33:23,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:33:23,123 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-09 12:33:23,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:33:23,129 INFO L225 Difference]: With dead ends: 84 [2018-12-09 12:33:23,129 INFO L226 Difference]: Without dead ends: 42 [2018-12-09 12:33:23,131 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 12:33:23,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-09 12:33:23,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-09 12:33:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-09 12:33:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2018-12-09 12:33:23,153 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 18 [2018-12-09 12:33:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:33:23,153 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2018-12-09 12:33:23,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:33:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2018-12-09 12:33:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 12:33:23,154 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:33:23,154 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:33:23,154 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:33:23,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:33:23,155 INFO L82 PathProgramCache]: Analyzing trace with hash 75375697, now seen corresponding path program 1 times [2018-12-09 12:33:23,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:33:23,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:33:23,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:33:23,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:33:23,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:33:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:33:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:33:23,209 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:33:23,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:33:23 BoogieIcfgContainer [2018-12-09 12:33:23,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:33:23,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:33:23,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:33:23,230 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:33:23,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:22" (3/4) ... [2018-12-09 12:33:23,232 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 12:33:23,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:33:23,233 INFO L168 Benchmark]: Toolchain (without parser) took 750.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -78.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:33:23,234 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:33:23,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:33:23,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.26 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:33:23,235 INFO L168 Benchmark]: Boogie Preprocessor took 25.83 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:33:23,235 INFO L168 Benchmark]: RCFGBuilder took 215.49 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 12:33:23,235 INFO L168 Benchmark]: TraceAbstraction took 281.74 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:33:23,236 INFO L168 Benchmark]: Witness Printer took 2.74 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 12:33:23,237 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.26 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.83 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 215.49 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 281.74 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 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: 150]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 149, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. 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)=8589934607, \old(Lg2_log)=8589934610, \old(Lg3_log)=8589934592, \old(Lg4_log)=8589934595, \old(Lg5_log)=8589934597, \old(Lg6_log)=8589934604, \old(Lg7_log)=8589934601, \old(ln2_hi_log)=8589934594, \old(ln2_lo_log)=8589934598, \old(two54_log)=8589934605, \old(zero)=8589934608, 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] [L144] double x = 1.0; 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=1, zero=0] [L146] CALL, EXPR __ieee754_log(x) VAL [\old(x)=1, 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)=1, 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=1, 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)=1, hx=-1, 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=17, two54_log=18014398509481984, x=1, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=1, hx=-1, 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=17, two54_log=18014398509481984, x=1, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [\old(x)=1, hx=-1, 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=17, two54_log=18014398509481984, x=1, zero=0] [L146] RET, EXPR __ieee754_log(x) VAL [__ieee754_log(x)=8589934596, 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=1, zero=0] [L146] double res = __ieee754_log(x); [L149] EXPR res == 0.0 && __signbit_double(res) == 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, res=8589934596, res == 0.0 && __signbit_double(res) == 0=0, two54_log=18014398509481984, x=1, zero=0] [L149] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L150] __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=8589934596, two54_log=18014398509481984, x=1, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 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=46occurred 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 12:33:24,511 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:33:24,512 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:33:24,518 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:33:24,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:33:24,519 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:33:24,520 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:33:24,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:33:24,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:33:24,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:33:24,522 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:33:24,522 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:33:24,523 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:33:24,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:33:24,524 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:33:24,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:33:24,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:33:24,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:33:24,526 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:33:24,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:33:24,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:33:24,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:33:24,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:33:24,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:33:24,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:33:24,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:33:24,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:33:24,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:33:24,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:33:24,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:33:24,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:33:24,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:33:24,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:33:24,532 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:33:24,532 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:33:24,533 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:33:24,533 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 12:33:24,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:33:24,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:33:24,541 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:33:24,541 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:33:24,541 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:33:24,541 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:33:24,541 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:33:24,541 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:33:24,541 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:33:24,541 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:33:24,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 12:33:24,542 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:33:24,543 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:33:24,543 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:33:24,543 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 12:33:24,544 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:33:24,544 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 12:33:24,544 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 12:33:24,544 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_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 -> a2549d464b179f7f7f50962dd1fbb8e0dbdceb3b [2018-12-09 12:33:24,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:33:24,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:33:24,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:33:24,571 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:33:24,571 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:33:24,572 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c [2018-12-09 12:33:24,605 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data/bd8df378a/842a743440644906911d4775e9eef956/FLAG859095845 [2018-12-09 12:33:25,026 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:33:25,026 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c [2018-12-09 12:33:25,030 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data/bd8df378a/842a743440644906911d4775e9eef956/FLAG859095845 [2018-12-09 12:33:25,038 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/data/bd8df378a/842a743440644906911d4775e9eef956 [2018-12-09 12:33:25,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:33:25,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:33:25,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:33:25,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:33:25,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:33:25,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25, skipping insertion in model container [2018-12-09 12:33:25,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:33:25,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:33:25,172 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:33:25,176 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:33:25,202 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:33:25,219 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:33:25,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25 WrapperNode [2018-12-09 12:33:25,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:33:25,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:33:25,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:33:25,221 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:33:25,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:33:25,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:33:25,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:33:25,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:33:25,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... [2018-12-09 12:33:25,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:33:25,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:33:25,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:33:25,296 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:33:25,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:33:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 12:33:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 12:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-09 12:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 12:33:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:33:28,986 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:33:47,679 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:33:47,738 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:33:47,848 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:33:47,862 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:33:47,863 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 12:33:47,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:47 BoogieIcfgContainer [2018-12-09 12:33:47,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:33:47,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:33:47,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:33:47,866 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:33:47,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:33:25" (1/3) ... [2018-12-09 12:33:47,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61768562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:33:47, skipping insertion in model container [2018-12-09 12:33:47,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:25" (2/3) ... [2018-12-09 12:33:47,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61768562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:33:47, skipping insertion in model container [2018-12-09 12:33:47,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:47" (3/3) ... [2018-12-09 12:33:47,868 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930_true-unreach-call.c [2018-12-09 12:33:47,873 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:33:47,878 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:33:47,886 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:33:47,902 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:33:47,903 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:33:47,903 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:33:47,903 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:33:47,903 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:33:47,903 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:33:47,903 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:33:47,903 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:33:47,903 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:33:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-12-09 12:33:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 12:33:47,921 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:33:47,921 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:33:47,923 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:33:47,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:33:47,926 INFO L82 PathProgramCache]: Analyzing trace with hash 239483750, now seen corresponding path program 1 times [2018-12-09 12:33:47,928 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:33:47,929 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:33:47,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:33:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:48,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:33:48,620 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 12:33:48,620 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:33:48,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:33:48,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:33:48,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:33:48,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:33:48,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:33:48,652 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-12-09 12:33:48,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:33:48,667 INFO L93 Difference]: Finished difference Result 84 states and 125 transitions. [2018-12-09 12:33:48,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:33:48,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-09 12:33:48,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:33:48,673 INFO L225 Difference]: With dead ends: 84 [2018-12-09 12:33:48,673 INFO L226 Difference]: Without dead ends: 42 [2018-12-09 12:33:48,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 12:33:48,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-09 12:33:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-09 12:33:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-09 12:33:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2018-12-09 12:33:48,698 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 18 [2018-12-09 12:33:48,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:33:48,698 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2018-12-09 12:33:48,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:33:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2018-12-09 12:33:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 12:33:48,699 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:33:48,699 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:33:48,699 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:33:48,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:33:48,700 INFO L82 PathProgramCache]: Analyzing trace with hash 75375697, now seen corresponding path program 1 times [2018-12-09 12:33:48,700 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:33:48,700 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:33:48,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:33:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:49,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:33:49,493 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 12:33:49,494 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:33:49,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:33:49,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:33:49,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:33:49,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:33:49,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:33:49,516 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand 6 states. [2018-12-09 12:34:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:01,414 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2018-12-09 12:34:01,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:34:01,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-09 12:34:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:01,417 INFO L225 Difference]: With dead ends: 72 [2018-12-09 12:34:01,418 INFO L226 Difference]: Without dead ends: 40 [2018-12-09 12:34:01,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 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 12:34:01,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-09 12:34:01,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2018-12-09 12:34:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-09 12:34:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-12-09 12:34:01,424 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 19 [2018-12-09 12:34:01,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:01,424 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-12-09 12:34:01,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:34:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-12-09 12:34:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 12:34:01,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:01,425 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:01,425 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:01,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:01,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1299754414, now seen corresponding path program 1 times [2018-12-09 12:34:01,426 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:34:01,426 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:34:01,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:01,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:34:01,589 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 12:34:01,589 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:34:01,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:01,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:34:01,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:34:01,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:34:01,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:34:01,598 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 6 states. [2018-12-09 12:34:05,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:05,578 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2018-12-09 12:34:05,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:34:05,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-09 12:34:05,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:05,580 INFO L225 Difference]: With dead ends: 53 [2018-12-09 12:34:05,580 INFO L226 Difference]: Without dead ends: 38 [2018-12-09 12:34:05,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:34:05,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-09 12:34:05,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-09 12:34:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-09 12:34:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2018-12-09 12:34:05,585 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 19 [2018-12-09 12:34:05,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:05,585 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2018-12-09 12:34:05,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:34:05,585 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-12-09 12:34:05,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:34:05,586 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:05,586 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 12:34:05,586 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:05,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:05,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1615917750, now seen corresponding path program 1 times [2018-12-09 12:34:05,587 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:34:05,587 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:34:05,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:09,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:34:09,154 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 12:34:09,154 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:34:09,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:09,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:34:09,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:34:09,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:34:09,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:34:09,208 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand 7 states. [2018-12-09 12:34:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:13,293 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2018-12-09 12:34:13,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:34:13,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-09 12:34:13,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:13,295 INFO L225 Difference]: With dead ends: 53 [2018-12-09 12:34:13,295 INFO L226 Difference]: Without dead ends: 35 [2018-12-09 12:34:13,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:34:13,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-09 12:34:13,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-09 12:34:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-09 12:34:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-12-09 12:34:13,298 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 25 [2018-12-09 12:34:13,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:13,298 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-12-09 12:34:13,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:34:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-12-09 12:34:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:34:13,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:13,299 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 12:34:13,299 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:13,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:13,300 INFO L82 PathProgramCache]: Analyzing trace with hash 305141757, now seen corresponding path program 1 times [2018-12-09 12:34:13,300 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:34:13,300 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:34:13,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:13,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:34:13,472 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 12:34:13,472 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:34:13,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:13,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:34:13,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:34:13,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:34:13,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:34:13,481 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 6 states. [2018-12-09 12:34:20,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:20,884 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-12-09 12:34:20,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:34:20,885 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-09 12:34:20,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:20,885 INFO L225 Difference]: With dead ends: 44 [2018-12-09 12:34:20,885 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 12:34:20,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:34:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 12:34:20,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2018-12-09 12:34:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 12:34:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-12-09 12:34:20,890 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 25 [2018-12-09 12:34:20,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:20,890 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-12-09 12:34:20,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:34:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-12-09 12:34:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:34:20,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:20,891 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 12:34:20,891 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:20,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:20,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1192645438, now seen corresponding path program 1 times [2018-12-09 12:34:20,891 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:34:20,891 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:34:20,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:21,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:34:21,762 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 12:34:21,763 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:34:21,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:21,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 12:34:21,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:34:21,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:34:21,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:34:21,776 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 9 states. [2018-12-09 12:34:22,813 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-12-09 12:34:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:27,819 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2018-12-09 12:34:27,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:34:27,821 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-12-09 12:34:27,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:27,822 INFO L225 Difference]: With dead ends: 56 [2018-12-09 12:34:27,822 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 12:34:27,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:34:27,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 12:34:27,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2018-12-09 12:34:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 12:34:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-12-09 12:34:27,827 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 25 [2018-12-09 12:34:27,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:27,827 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-12-09 12:34:27,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:34:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-12-09 12:34:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:34:27,828 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:27,828 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 12:34:27,828 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:27,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:27,828 INFO L82 PathProgramCache]: Analyzing trace with hash 571809949, now seen corresponding path program 1 times [2018-12-09 12:34:27,828 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:34:27,828 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:34:27,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:28,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:34:28,798 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 132 treesize of output 126 [2018-12-09 12:34:28,803 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 121 [2018-12-09 12:34:28,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-12-09 12:34:28,815 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 12:34:28,820 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 12:34:28,826 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 12:34:28,850 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 12:34:28,850 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:154, output treesize:82 [2018-12-09 12:34:30,527 WARN L180 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 12:34:32,701 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 12:34:32,742 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 12:34:32,743 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:34:32,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:32,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 12:34:32,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:34:32,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:34:32,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:34:32,761 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 10 states. [2018-12-09 12:34:42,154 WARN L180 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 12:34:51,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:51,462 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-12-09 12:34:51,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:34:51,463 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-12-09 12:34:51,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:51,464 INFO L225 Difference]: With dead ends: 50 [2018-12-09 12:34:51,464 INFO L226 Difference]: Without dead ends: 34 [2018-12-09 12:34:51,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:34:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-09 12:34:51,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-12-09 12:34:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-09 12:34:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2018-12-09 12:34:51,468 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 25 [2018-12-09 12:34:51,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:51,468 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2018-12-09 12:34:51,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:34:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2018-12-09 12:34:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 12:34:51,469 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:51,469 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] [2018-12-09 12:34:51,470 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:51,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:51,470 INFO L82 PathProgramCache]: Analyzing trace with hash 273181826, now seen corresponding path program 1 times [2018-12-09 12:34:51,470 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:34:51,470 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/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 12:34:51,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:51,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:34:51,820 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 12:34:51,820 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:34:51,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:51,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 12:34:51,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:34:51,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:34:51,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:34:51,830 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 11 states. [2018-12-09 12:34:52,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:52,628 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-12-09 12:34:52,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:34:52,628 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-12-09 12:34:52,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:52,628 INFO L225 Difference]: With dead ends: 34 [2018-12-09 12:34:52,629 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:34:52,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-12-09 12:34:52,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:34:52,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:34:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:34:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:34:52,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-12-09 12:34:52,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:52,629 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:34:52,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:34:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:34:52,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:34:52,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:34:52,902 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2018-12-09 12:34:53,015 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:34:53,015 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:34:53,015 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:34:53,015 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-12-09 12:34:53,015 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-12-09 12:34:53,015 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (or (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_log_~hx~1))) (exists ((v_prenex_9 (_ BitVec 64))) (and (bvslt ((_ extract 63 32) v_prenex_9) (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9)))))) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (or (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-12-09 12:34:53,016 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (exists ((v_prenex_9 (_ BitVec 64))) (and (bvslt ((_ extract 63 32) v_prenex_9) (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (and (exists ((v_prenex_12 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_12))) (and (= (bvadd __ieee754_log_~k~0 (_ bv1023 32)) (bvashr .cse0 (_ bv20 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_~i~0 (bvand (_ bv1048576 32) (bvadd (bvand (_ bv1048575 32) .cse0) (_ bv614244 32))))))) (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((v_prenex_11 (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))) (= (bvand (_ bv1048575 32) ((_ extract 63 32) v_prenex_11)) __ieee754_log_~hx~1))))) [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 129 133) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L444 ceAbstractionStarter]: At program point L129-2(lines 129 133) the Hoare annotation is: (or (= |__signbit_double_#in~x| __signbit_double_~x) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point L129-3(lines 129 133) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 126 136) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 126 136) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 126 136) the Hoare annotation is: true [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-12-09 12:34:53,017 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 138 155) the Hoare annotation is: true [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 138 155) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L444 ceAbstractionStarter]: At program point L149-1(line 149) the Hoare annotation is: (or (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) main_~x~0) |main_#t~short16| (= (_ +zero 11 53) main_~res~0)) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L448 ceAbstractionStarter]: For program point L149-2(line 149) no Hoare annotation was computed. [2018-12-09 12:34:53,017 INFO L444 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) main_~x~0)) [2018-12-09 12:34:53,018 INFO L448 ceAbstractionStarter]: For program point L146-1(line 146) no Hoare annotation was computed. [2018-12-09 12:34:53,018 INFO L448 ceAbstractionStarter]: For program point L149-4(lines 149 152) no Hoare annotation was computed. [2018-12-09 12:34:53,018 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 138 155) no Hoare annotation was computed. [2018-12-09 12:34:53,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:34:53 BoogieIcfgContainer [2018-12-09 12:34:53,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:34:53,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:34:53,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:34:53,032 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:34:53,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:47" (3/4) ... [2018-12-09 12:34:53,034 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:34:53,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:34:53,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-09 12:34:53,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-12-09 12:34:53,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:34:53,041 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-12-09 12:34:53,041 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-09 12:34:53,041 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 12:34:53,041 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:34:53,056 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-09 12:34:53,056 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-09 12:34:53,057 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx) && (\exists v_prenex_9 : bv64 :: ~bvslt32(v_prenex_9[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]))) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-09 12:34:53,057 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_9 : bv64 :: ~bvslt32(v_prenex_9[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]))) || (((\exists v_prenex_12 : bv64 :: (~bvadd64(k, 1023bv32) == ~bvashr32(v_prenex_12[63:32], 20bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0])) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_prenex_12[63:32]), 614244bv32))) && x == \old(x)) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && ~bvand32(1048575bv32, v_prenex_11[63:32]) == hx)) [2018-12-09 12:34:53,071 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22a3ebae-4f7a-48d0-873c-d8d8ae6d5626/bin-2019/utaipan/witness.graphml [2018-12-09 12:34:53,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:34:53,072 INFO L168 Benchmark]: Toolchain (without parser) took 88031.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -114.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:53,072 INFO L168 Benchmark]: CDTParser took 0.13 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 12:34:53,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.80 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:53,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.32 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:34:53,073 INFO L168 Benchmark]: Boogie Preprocessor took 57.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:53,073 INFO L168 Benchmark]: RCFGBuilder took 22567.58 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:53,073 INFO L168 Benchmark]: TraceAbstraction took 65167.64 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 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:53,073 INFO L168 Benchmark]: Witness Printer took 39.90 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: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:53,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.80 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.32 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 22567.58 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 65167.64 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 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Witness Printer took 39.90 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: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_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 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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_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 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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: 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 12:34:53,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-09 12:34:53,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] Derived loop invariant: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_9 : bv64 :: ~bvslt32(v_prenex_9[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]))) || (((\exists v_prenex_12 : bv64 :: (~bvadd64(k, 1023bv32) == ~bvashr32(v_prenex_12[63:32], 20bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0])) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_prenex_12[63:32]), 614244bv32))) && x == \old(x)) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && ~bvand32(1048575bv32, v_prenex_11[63:32]) == hx)) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: \old(x) == x || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 65]: Loop Invariant [2018-12-09 12:34:53,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,081 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,081 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,081 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,081 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,081 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,081 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,081 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 12:34:53,081 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx) && (\exists v_prenex_9 : bv64 :: ~bvslt32(v_prenex_9[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]))) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. SAFE Result, 65.1s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 52.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 309 SDtfs, 167 SDslu, 1001 SDs, 0 SdLazy, 344 SolverSat, 23 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 46.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 24 PreInvPairs, 30 NumberOfFragments, 155 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 63 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 181 ConstructedInterpolants, 52 QuantifiedInterpolants, 44417 SizeOfPredicates, 27 NumberOfNonLiveVariables, 830 ConjunctsInSsa, 68 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...