./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_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_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 e9c6bf05d102b43fb2b728009d6b55f3314474ef ........................................................................................................................................................................................................................................................................................................................................... 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_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 e9c6bf05d102b43fb2b728009d6b55f3314474ef .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:57:24,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:57:24,618 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:57:24,624 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:57:24,624 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:57:24,624 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:57:24,625 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:57:24,626 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:57:24,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:57:24,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:57:24,627 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:57:24,627 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:57:24,628 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:57:24,628 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:57:24,629 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:57:24,629 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:57:24,630 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:57:24,630 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:57:24,631 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:57:24,632 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:57:24,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:57:24,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:57:24,634 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:57:24,634 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:57:24,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:57:24,635 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:57:24,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:57:24,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:57:24,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:57:24,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:57:24,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:57:24,637 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:57:24,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:57:24,637 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:57:24,638 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:57:24,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:57:24,638 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:57:24,645 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:57:24,645 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:57:24,646 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:57:24,646 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:57:24,646 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:57:24,646 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:57:24,646 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:57:24,646 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:57:24,646 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:57:24,646 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:57:24,647 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:57:24,647 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:57:24,647 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:57:24,647 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:57:24,647 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:57:24,647 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:57:24,647 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:57:24,647 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:57:24,647 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:57:24,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:57:24,648 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:57:24,648 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:57:24,649 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:57:24,649 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:57:24,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:57:24,649 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:57:24,649 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_92fc0479-f839-446f-ba8f-38fd6050bf67/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 -> e9c6bf05d102b43fb2b728009d6b55f3314474ef [2018-12-09 18:57:24,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:57:24,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:57:24,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:57:24,676 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:57:24,677 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:57:24,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-12-09 18:57:24,714 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data/229bd9e6a/1d872aa3af7f4340939f25d0cbc48ac4/FLAG479d27af1 [2018-12-09 18:57:25,045 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:57:25,046 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-12-09 18:57:25,050 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data/229bd9e6a/1d872aa3af7f4340939f25d0cbc48ac4/FLAG479d27af1 [2018-12-09 18:57:25,058 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data/229bd9e6a/1d872aa3af7f4340939f25d0cbc48ac4 [2018-12-09 18:57:25,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:57:25,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:57:25,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:57:25,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:57:25,063 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:57:25,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2486db8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25, skipping insertion in model container [2018-12-09 18:57:25,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:57:25,081 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:57:25,189 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:57:25,193 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:57:25,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:57:25,261 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:57:25,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25 WrapperNode [2018-12-09 18:57:25,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:57:25,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:57:25,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:57:25,262 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:57:25,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:57:25,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:57:25,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:57:25,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:57:25,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... [2018-12-09 18:57:25,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:57:25,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:57:25,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:57:25,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:57:25,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:57:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-09 18:57:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-09 18:57:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-09 18:57:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-09 18:57:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:57:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:57:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 18:57:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 18:57:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:57:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:57:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 18:57:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:57:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:57:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:57:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 18:57:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 18:57:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:57:25,555 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:57:25,555 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 18:57:25,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:57:25 BoogieIcfgContainer [2018-12-09 18:57:25,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:57:25,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:57:25,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:57:25,558 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:57:25,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:57:25" (1/3) ... [2018-12-09 18:57:25,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7659da8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:57:25, skipping insertion in model container [2018-12-09 18:57:25,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:25" (2/3) ... [2018-12-09 18:57:25,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7659da8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:57:25, skipping insertion in model container [2018-12-09 18:57:25,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:57:25" (3/3) ... [2018-12-09 18:57:25,561 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833_true-unreach-call.c [2018-12-09 18:57:25,567 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:57:25,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:57:25,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:57:25,597 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:57:25,597 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:57:25,597 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:57:25,597 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:57:25,597 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:57:25,597 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:57:25,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:57:25,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:57:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-12-09 18:57:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 18:57:25,611 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:57:25,612 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 18:57:25,614 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:57:25,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:57:25,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1011140343, now seen corresponding path program 1 times [2018-12-09 18:57:25,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:57:25,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:57:25,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:57:25,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:57:25,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:57:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:57:25,718 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 18:57:25,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:57:25,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:57:25,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:57:25,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:57:25,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:57:25,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:57:25,732 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-12-09 18:57:25,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:57:25,748 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-12-09 18:57:25,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:57:25,748 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-09 18:57:25,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:57:25,754 INFO L225 Difference]: With dead ends: 106 [2018-12-09 18:57:25,754 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 18:57:25,756 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 18:57:25,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 18:57:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-09 18:57:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-09 18:57:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-12-09 18:57:25,779 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 19 [2018-12-09 18:57:25,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:57:25,779 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-12-09 18:57:25,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:57:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-12-09 18:57:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 18:57:25,779 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:57:25,780 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] [2018-12-09 18:57:25,780 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:57:25,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:57:25,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1686924410, now seen corresponding path program 1 times [2018-12-09 18:57:25,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:57:25,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:57:25,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:57:25,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:57:25,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:57:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:57:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:57:25,835 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 18:57:25,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:57:25 BoogieIcfgContainer [2018-12-09 18:57:25,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:57:25,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:57:25,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:57:25,860 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:57:25,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:57:25" (3/4) ... [2018-12-09 18:57:25,863 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 18:57:25,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:57:25,863 INFO L168 Benchmark]: Toolchain (without parser) took 803.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 948.6 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:57:25,864 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:57:25,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:57:25,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.70 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 18:57:25,865 INFO L168 Benchmark]: Boogie Preprocessor took 23.39 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 18:57:25,866 INFO L168 Benchmark]: RCFGBuilder took 253.89 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:57:25,866 INFO L168 Benchmark]: TraceAbstraction took 303.89 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:57:25,866 INFO L168 Benchmark]: Witness Printer took 2.83 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 18:57:25,868 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.70 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 23.39 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 253.89 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 303.89 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 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: 153]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 152. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(halF_exp)=45, \old(halF_exp)=21, \old(huge_exp)=37, \old(invln2_exp)=18, \old(ln2HI_exp)=17, \old(ln2HI_exp)=42, \old(ln2LO_exp)=27, \old(ln2LO_exp)=44, \old(o_threshold_exp)=25, \old(one_exp)=35, \old(P1_exp)=20, \old(P2_exp)=23, \old(P3_exp)=29, \old(P4_exp)=33, \old(P5_exp)=31, \old(twom1000_exp)=24, \old(u_threshold_exp)=43, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L149] double x = -1.0 / 0.0; VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L150] RET, EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=39, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L150] double res = __ieee754_exp(x); [L152] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=39, res == 0.0 && __signbit_double(res) == 0=0, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L152] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L153] __VERIFIER_error() VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={41:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=39, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 69 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=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:57:27,190 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:57:27,191 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:57:27,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:57:27,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:57:27,197 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:57:27,198 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:57:27,199 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:57:27,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:57:27,200 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:57:27,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:57:27,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:57:27,201 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:57:27,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:57:27,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:57:27,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:57:27,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:57:27,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:57:27,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:57:27,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:57:27,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:57:27,206 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:57:27,207 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:57:27,207 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:57:27,208 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:57:27,208 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:57:27,209 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:57:27,209 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:57:27,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:57:27,210 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:57:27,210 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:57:27,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:57:27,210 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:57:27,210 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:57:27,211 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:57:27,211 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:57:27,211 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 18:57:27,219 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:57:27,219 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:57:27,219 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:57:27,219 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:57:27,220 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:57:27,220 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:57:27,220 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:57:27,220 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:57:27,220 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:57:27,220 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:57:27,220 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:57:27,220 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:57:27,221 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:57:27,222 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:57:27,222 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:57:27,222 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:57:27,222 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:57:27,222 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:57:27,222 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:57:27,222 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:57:27,222 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:57:27,222 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 18:57:27,222 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:57:27,223 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 18:57:27,223 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 18:57:27,223 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_92fc0479-f839-446f-ba8f-38fd6050bf67/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 -> e9c6bf05d102b43fb2b728009d6b55f3314474ef [2018-12-09 18:57:27,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:57:27,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:57:27,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:57:27,254 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:57:27,254 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:57:27,255 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-12-09 18:57:27,299 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data/611c5e6f3/503d5b556edd4be7a8347d003aff975d/FLAG1c8ee8aff [2018-12-09 18:57:27,698 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:57:27,699 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-12-09 18:57:27,703 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data/611c5e6f3/503d5b556edd4be7a8347d003aff975d/FLAG1c8ee8aff [2018-12-09 18:57:27,711 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/data/611c5e6f3/503d5b556edd4be7a8347d003aff975d [2018-12-09 18:57:27,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:57:27,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:57:27,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:57:27,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:57:27,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:57:27,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26654d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27, skipping insertion in model container [2018-12-09 18:57:27,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:57:27,734 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:57:27,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:57:27,850 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:57:27,878 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:57:27,895 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:57:27,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27 WrapperNode [2018-12-09 18:57:27,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:57:27,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:57:27,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:57:27,896 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:57:27,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:57:27,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:57:27,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:57:27,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:57:27,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... [2018-12-09 18:57:27,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:57:27,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:57:27,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:57:27,979 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:57:27,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:57:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 18:57:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-09 18:57:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-09 18:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 18:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-09 18:57:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-09 18:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:57:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:57:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-09 18:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 18:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:57:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:57:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 18:57:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:57:28,131 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:57:28,442 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:57:38,259 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:57:38,276 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:57:38,297 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:57:38,314 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:57:38,339 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:57:38,362 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:57:38,380 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:57:38,381 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 18:57:38,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:57:38 BoogieIcfgContainer [2018-12-09 18:57:38,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:57:38,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:57:38,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:57:38,383 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:57:38,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:57:27" (1/3) ... [2018-12-09 18:57:38,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26597a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:57:38, skipping insertion in model container [2018-12-09 18:57:38,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:57:27" (2/3) ... [2018-12-09 18:57:38,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26597a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:57:38, skipping insertion in model container [2018-12-09 18:57:38,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:57:38" (3/3) ... [2018-12-09 18:57:38,385 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833_true-unreach-call.c [2018-12-09 18:57:38,391 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:57:38,396 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:57:38,404 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:57:38,420 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 18:57:38,421 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:57:38,421 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:57:38,421 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:57:38,421 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:57:38,421 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:57:38,421 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:57:38,421 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:57:38,421 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:57:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-12-09 18:57:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 18:57:38,434 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:57:38,435 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 18:57:38,436 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:57:38,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:57:38,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1011140343, now seen corresponding path program 1 times [2018-12-09 18:57:38,441 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:57:38,442 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:57:38,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:57:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:57:38,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:57:38,729 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 18:57:38,729 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:57:38,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:57:38,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:57:38,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:57:38,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:57:38,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:57:38,752 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-12-09 18:57:38,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:57:38,767 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-12-09 18:57:38,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:57:38,768 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-09 18:57:38,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:57:38,774 INFO L225 Difference]: With dead ends: 106 [2018-12-09 18:57:38,774 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 18:57:38,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:57:38,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 18:57:38,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-09 18:57:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-09 18:57:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-12-09 18:57:38,800 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 19 [2018-12-09 18:57:38,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:57:38,800 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-12-09 18:57:38,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:57:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-12-09 18:57:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 18:57:38,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:57:38,801 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] [2018-12-09 18:57:38,801 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:57:38,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:57:38,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1686924410, now seen corresponding path program 1 times [2018-12-09 18:57:38,802 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:57:38,802 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:57:38,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:57:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:57:39,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:57:39,175 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 18:57:39,175 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:57:39,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:57:39,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:57:39,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:57:39,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:57:39,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:57:39,187 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand 7 states. [2018-12-09 18:57:54,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:57:54,103 INFO L93 Difference]: Finished difference Result 73 states and 85 transitions. [2018-12-09 18:57:54,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:57:54,104 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 18:57:54,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:57:54,106 INFO L225 Difference]: With dead ends: 73 [2018-12-09 18:57:54,106 INFO L226 Difference]: Without dead ends: 58 [2018-12-09 18:57:54,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:57:54,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-09 18:57:54,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2018-12-09 18:57:54,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-09 18:57:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2018-12-09 18:57:54,111 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 20 [2018-12-09 18:57:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:57:54,111 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2018-12-09 18:57:54,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:57:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2018-12-09 18:57:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 18:57:54,112 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:57:54,112 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] [2018-12-09 18:57:54,112 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:57:54,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:57:54,112 INFO L82 PathProgramCache]: Analyzing trace with hash -419667678, now seen corresponding path program 1 times [2018-12-09 18:57:54,113 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:57:54,113 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:57:54,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:57:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:57:54,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:57:54,414 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 18:57:54,414 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:57:54,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:57:54,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 18:57:54,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 18:57:54,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 18:57:54,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:57:54,424 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand 8 states. [2018-12-09 18:58:07,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:58:07,520 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-12-09 18:58:07,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:58:07,521 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-12-09 18:58:07,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:58:07,522 INFO L225 Difference]: With dead ends: 72 [2018-12-09 18:58:07,522 INFO L226 Difference]: Without dead ends: 57 [2018-12-09 18:58:07,522 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:58:07,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-09 18:58:07,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-12-09 18:58:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-09 18:58:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2018-12-09 18:58:07,527 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 22 [2018-12-09 18:58:07,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:58:07,527 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2018-12-09 18:58:07,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 18:58:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2018-12-09 18:58:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 18:58:07,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:58:07,528 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] [2018-12-09 18:58:07,528 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:58:07,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:58:07,529 INFO L82 PathProgramCache]: Analyzing trace with hash 784724264, now seen corresponding path program 1 times [2018-12-09 18:58:07,529 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:58:07,529 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:58:07,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:58:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:58:10,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:58:10,369 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 18:58:10,369 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:58:10,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:58:10,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:58:10,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:58:10,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:58:10,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:58:10,406 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand 7 states. [2018-12-09 18:58:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:58:28,377 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2018-12-09 18:58:28,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 18:58:28,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-09 18:58:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:58:28,379 INFO L225 Difference]: With dead ends: 87 [2018-12-09 18:58:28,379 INFO L226 Difference]: Without dead ends: 55 [2018-12-09 18:58:28,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:58:28,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-09 18:58:28,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2018-12-09 18:58:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-09 18:58:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-12-09 18:58:28,383 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 22 [2018-12-09 18:58:28,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:58:28,383 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-12-09 18:58:28,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:58:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-12-09 18:58:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 18:58:28,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:58:28,384 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:58:28,384 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:58:28,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:58:28,384 INFO L82 PathProgramCache]: Analyzing trace with hash -728434614, now seen corresponding path program 1 times [2018-12-09 18:58:28,384 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:58:28,384 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:58:28,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:58:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:58:32,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:58:32,134 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 18:58:32,134 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:58:32,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:58:32,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:58:32,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:58:32,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:58:32,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:58:32,181 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 7 states. [2018-12-09 18:58:43,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:58:43,565 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2018-12-09 18:58:43,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:58:43,566 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-09 18:58:43,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:58:43,567 INFO L225 Difference]: With dead ends: 84 [2018-12-09 18:58:43,567 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 18:58:43,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:58:43,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 18:58:43,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-12-09 18:58:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-09 18:58:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-12-09 18:58:43,572 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 23 [2018-12-09 18:58:43,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:58:43,572 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-12-09 18:58:43,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:58:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-12-09 18:58:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 18:58:43,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:58:43,573 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:58:43,573 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:58:43,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:58:43,574 INFO L82 PathProgramCache]: Analyzing trace with hash 2020447847, now seen corresponding path program 1 times [2018-12-09 18:58:43,574 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:58:43,574 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:58:43,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:58:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:58:43,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:58:43,759 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 18:58:43,759 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:58:43,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:58:43,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:58:43,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:58:43,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:58:43,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:58:43,768 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 7 states. [2018-12-09 18:58:54,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:58:54,753 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2018-12-09 18:58:55,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:58:55,133 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-09 18:58:55,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:58:55,133 INFO L225 Difference]: With dead ends: 69 [2018-12-09 18:58:55,133 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 18:58:55,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:58:55,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 18:58:55,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-12-09 18:58:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-09 18:58:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-12-09 18:58:55,138 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 24 [2018-12-09 18:58:55,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:58:55,138 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-12-09 18:58:55,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:58:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-12-09 18:58:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 18:58:55,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:58:55,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:58:55,139 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:58:55,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:58:55,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1211101221, now seen corresponding path program 1 times [2018-12-09 18:58:55,139 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:58:55,139 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:58:55,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:58:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:58:55,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:58:55,274 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 18:58:55,274 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:58:55,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:58:55,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:58:55,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:58:55,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:58:55,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:58:55,284 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 6 states. [2018-12-09 18:58:58,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:58:58,450 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-12-09 18:58:58,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:58:58,450 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-09 18:58:58,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:58:58,451 INFO L225 Difference]: With dead ends: 58 [2018-12-09 18:58:58,451 INFO L226 Difference]: Without dead ends: 55 [2018-12-09 18:58:58,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:58:58,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-09 18:58:58,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-09 18:58:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-09 18:58:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-12-09 18:58:58,456 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 24 [2018-12-09 18:58:58,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:58:58,456 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-12-09 18:58:58,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:58:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-12-09 18:58:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 18:58:58,457 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:58:58,457 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:58:58,457 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:58:58,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:58:58,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1036207750, now seen corresponding path program 1 times [2018-12-09 18:58:58,457 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:58:58,457 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/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 18:58:58,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:59:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:59:02,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:59:02,210 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 18:59:02,210 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:59:02,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:59:02,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:59:02,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:59:02,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:59:02,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:59:02,255 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 7 states. [2018-12-09 18:59:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:59:13,212 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-12-09 18:59:13,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:59:13,593 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-09 18:59:13,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:59:13,593 INFO L225 Difference]: With dead ends: 66 [2018-12-09 18:59:13,593 INFO L226 Difference]: Without dead ends: 33 [2018-12-09 18:59:13,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:59:13,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-09 18:59:13,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-09 18:59:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-09 18:59:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-12-09 18:59:13,597 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 26 [2018-12-09 18:59:13,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:59:13,597 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-12-09 18:59:13,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:59:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-12-09 18:59:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 18:59:13,598 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:59:13,598 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] [2018-12-09 18:59:13,598 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:59:13,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:59:13,598 INFO L82 PathProgramCache]: Analyzing trace with hash 406029610, now seen corresponding path program 1 times [2018-12-09 18:59:13,598 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:59:13,598 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-12-09 18:59:13,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:59:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:59:13,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:59:13,868 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 18:59:13,868 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:59:13,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:59:13,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 18:59:13,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 18:59:13,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 18:59:13,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:59:13,877 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 11 states. [2018-12-09 18:59:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:59:14,167 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-12-09 18:59:14,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 18:59:14,168 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-12-09 18:59:14,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:59:14,168 INFO L225 Difference]: With dead ends: 33 [2018-12-09 18:59:14,168 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:59:14,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-12-09 18:59:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:59:14,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:59:14,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:59:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:59:14,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-12-09 18:59:14,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:59:14,169 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:59:14,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 18:59:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:59:14,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:59:14,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:59:14,330 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-12-09 18:59:14,330 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (and (= __ieee754_exp_~x |__ieee754_exp_#in~x|) (exists ((|v_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_11|) ((_ extract 62 52) |v_q#valueAsBitvector_11|) ((_ extract 51 0) |v_q#valueAsBitvector_11|)) |__ieee754_exp_#in~x|) (= __ieee754_exp_~hx~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_11|))))) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (= __ieee754_exp_~xsb~0 (bvand (_ bv1 32) (bvlshr ((_ extract 63 32) |v_q#valueAsBitvector_13|) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|)) |__ieee754_exp_#in~x|)))) [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 58 69) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L444 ceAbstractionStarter]: At program point L102-2(lines 102 106) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_14|) ((_ extract 62 52) |v_q#valueAsBitvector_14|) ((_ extract 51 0) |v_q#valueAsBitvector_14|)) |__ieee754_exp_#in~x|) (not (bvuge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_14|)) (_ bv2146435072 32))))) [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 114 128) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L121-2(lines 121 126) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-12-09 18:59:14,331 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L451 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L444 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: (= __ieee754_exp_~x |__ieee754_exp_#in~x|) [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 100 114) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L107-2(lines 107 112) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L444 ceAbstractionStarter]: At program point L116-2(lines 116 120) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_14|) ((_ extract 62 52) |v_q#valueAsBitvector_14|) ((_ extract 51 0) |v_q#valueAsBitvector_14|)) |__ieee754_exp_#in~x|) (not (bvuge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_14|)) (_ bv2146435072 32))))) [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-12-09 18:59:14,332 INFO L448 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 131 141) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 131 141) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 131 141) the Hoare annotation is: true [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 18:59:14,333 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 143 158) the Hoare annotation is: true [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 143 158) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2018-12-09 18:59:14,333 INFO L444 ceAbstractionStarter]: At program point L152-1(line 152) the Hoare annotation is: (and (= (_ +zero 11 53) main_~res~0) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) |main_#t~short22|) [2018-12-09 18:59:14,334 INFO L444 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-12-09 18:59:14,334 INFO L448 ceAbstractionStarter]: For program point L152-2(line 152) no Hoare annotation was computed. [2018-12-09 18:59:14,334 INFO L448 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-12-09 18:59:14,334 INFO L448 ceAbstractionStarter]: For program point L152-4(lines 152 155) no Hoare annotation was computed. [2018-12-09 18:59:14,334 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 143 158) no Hoare annotation was computed. [2018-12-09 18:59:14,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,344 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,345 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,345 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,345 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,345 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,345 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:59:14 BoogieIcfgContainer [2018-12-09 18:59:14,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:59:14,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:59:14,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:59:14,346 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:59:14,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:57:38" (3/4) ... [2018-12-09 18:59:14,349 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:59:14,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-12-09 18:59:14,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:59:14,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-12-09 18:59:14,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:59:14,356 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-09 18:59:14,356 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-09 18:59:14,357 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 18:59:14,357 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:59:14,357 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:59:14,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-09 18:59:14,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 18:59:14,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32]))) && (\exists v_q#valueAsBitvector_13 : bv64 :: xsb == ~bvand32(1bv32, ~bvlshr32(v_q#valueAsBitvector_13[63:32], 31bv32)) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_13[63:63], v_q#valueAsBitvector_13[62:52], v_q#valueAsBitvector_13[51:0]) == \old(x)) [2018-12-09 18:59:14,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) == \old(x) && !~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_14[63:32]), 2146435072bv32)) [2018-12-09 18:59:14,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) == \old(x) && !~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_14[63:32]), 2146435072bv32)) [2018-12-09 18:59:14,391 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92fc0479-f839-446f-ba8f-38fd6050bf67/bin-2019/utaipan/witness.graphml [2018-12-09 18:59:14,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:59:14,391 INFO L168 Benchmark]: Toolchain (without parser) took 106678.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -66.1 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:59:14,392 INFO L168 Benchmark]: CDTParser took 0.17 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 18:59:14,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.67 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:59:14,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.45 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:59:14,393 INFO L168 Benchmark]: Boogie Preprocessor took 65.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:59:14,393 INFO L168 Benchmark]: RCFGBuilder took 10402.33 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: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:59:14,393 INFO L168 Benchmark]: TraceAbstraction took 95964.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.6 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:59:14,394 INFO L168 Benchmark]: Witness Printer took 44.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:59:14,395 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.67 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.45 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10402.33 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: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 95964.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.6 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. * Witness Printer took 44.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.0 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_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 153]: 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: 134]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 116]: Loop Invariant [2018-12-09 18:59:14,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) == \old(x) && !~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_14[63:32]), 2146435072bv32)) - InvariantResult [Line: 102]: Loop Invariant [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) == \old(x) && !~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_14[63:32]), 2146435072bv32)) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 60]: Loop Invariant [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-09 18:59:14,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-12-09 18:59:14,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32]))) && (\exists v_q#valueAsBitvector_13 : bv64 :: xsb == ~bvand32(1bv32, ~bvlshr32(v_q#valueAsBitvector_13[63:32], 31bv32)) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_13[63:63], v_q#valueAsBitvector_13[62:52], v_q#valueAsBitvector_13[51:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 1 error locations. SAFE Result, 95.9s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 83.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 400 SDtfs, 328 SDslu, 1438 SDs, 0 SdLazy, 486 SolverSat, 15 SolverUnsat, 28 SolverUnknown, 0 SolverNotchecked, 74.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 9 MinimizatonAttempts, 17 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 27 PreInvPairs, 37 NumberOfFragments, 111 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 142 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 10.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 203 ConstructedInterpolants, 63 QuantifiedInterpolants, 33461 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1268 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...