./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_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_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/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 56df0817616f6c5016a1ac832f32db0c87e1c370 ............................................................................................................................................................................................................................................................................................................................... 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_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/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 56df0817616f6c5016a1ac832f32db0c87e1c370 .................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:26:13,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:26:13,093 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:26:13,100 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:26:13,100 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:26:13,100 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:26:13,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:26:13,102 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:26:13,102 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:26:13,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:26:13,103 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:26:13,103 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:26:13,104 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:26:13,104 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:26:13,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:26:13,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:26:13,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:26:13,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:26:13,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:26:13,108 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:26:13,109 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:26:13,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:26:13,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:26:13,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:26:13,111 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:26:13,111 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:26:13,112 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:26:13,112 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:26:13,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:26:13,113 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:26:13,113 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:26:13,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:26:13,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:26:13,114 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:26:13,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:26:13,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:26:13,114 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:26:13,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:26:13,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:26:13,122 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:26:13,122 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:26:13,122 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:26:13,122 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:26:13,122 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:26:13,123 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:26:13,123 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:26:13,123 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:26:13,123 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:26:13,123 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:26:13,123 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:26:13,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:26:13,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:26:13,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:26:13,124 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:26:13,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:26:13,125 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:26:13,125 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_2f8d74e2-aa0d-4c04-a827-003fb03d4461/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 -> 56df0817616f6c5016a1ac832f32db0c87e1c370 [2018-12-09 09:26:13,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:26:13,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:26:13,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:26:13,154 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:26:13,154 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:26:13,154 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c [2018-12-09 09:26:13,191 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data/54f504052/b1203c6841904eb3b807df3046e28d59/FLAGc9da5824b [2018-12-09 09:26:13,485 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:26:13,485 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c [2018-12-09 09:26:13,488 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data/54f504052/b1203c6841904eb3b807df3046e28d59/FLAGc9da5824b [2018-12-09 09:26:13,496 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data/54f504052/b1203c6841904eb3b807df3046e28d59 [2018-12-09 09:26:13,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:26:13,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:26:13,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:26:13,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:26:13,501 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:26:13,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b24b6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13, skipping insertion in model container [2018-12-09 09:26:13,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:26:13,517 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:26:13,606 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:26:13,608 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:26:13,623 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:26:13,635 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:26:13,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13 WrapperNode [2018-12-09 09:26:13,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:26:13,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:26:13,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:26:13,636 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:26:13,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:26:13,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:26:13,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:26:13,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:26:13,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... [2018-12-09 09:26:13,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:26:13,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:26:13,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:26:13,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:26:13,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/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 09:26:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-09 09:26:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-09 09:26:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:26:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:26:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 09:26:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 09:26:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-09 09:26:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-09 09:26:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:26:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:26:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 09:26:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:26:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:26:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:26:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 09:26:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:26:13,864 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:26:13,864 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 09:26:13,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:26:13 BoogieIcfgContainer [2018-12-09 09:26:13,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:26:13,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:26:13,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:26:13,868 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:26:13,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:26:13" (1/3) ... [2018-12-09 09:26:13,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c989882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:26:13, skipping insertion in model container [2018-12-09 09:26:13,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:13" (2/3) ... [2018-12-09 09:26:13,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c989882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:26:13, skipping insertion in model container [2018-12-09 09:26:13,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:26:13" (3/3) ... [2018-12-09 09:26:13,871 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012b_true-unreach-call.c [2018-12-09 09:26:13,877 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:26:13,883 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:26:13,895 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:26:13,913 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:26:13,913 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:26:13,914 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:26:13,914 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:26:13,914 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:26:13,914 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:26:13,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:26:13,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:26:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-12-09 09:26:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:26:13,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:26:13,931 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 09:26:13,933 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:26:13,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:26:13,936 INFO L82 PathProgramCache]: Analyzing trace with hash -739558388, now seen corresponding path program 1 times [2018-12-09 09:26:13,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:26:13,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:26:13,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:26:13,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:26:13,974 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:26:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:26:14,038 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 09:26:14,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:26:14,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:26:14,039 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:26:14,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:26:14,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:26:14,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:26:14,051 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-12-09 09:26:14,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:26:14,063 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2018-12-09 09:26:14,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:26:14,064 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 09:26:14,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:26:14,069 INFO L225 Difference]: With dead ends: 54 [2018-12-09 09:26:14,069 INFO L226 Difference]: Without dead ends: 27 [2018-12-09 09:26:14,071 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 09:26:14,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-09 09:26:14,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-09 09:26:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-09 09:26:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-12-09 09:26:14,097 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2018-12-09 09:26:14,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:26:14,097 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-12-09 09:26:14,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:26:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-12-09 09:26:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 09:26:14,098 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:26:14,098 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 09:26:14,098 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:26:14,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:26:14,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1668428866, now seen corresponding path program 1 times [2018-12-09 09:26:14,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:26:14,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:26:14,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:26:14,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:26:14,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:26:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:26:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:26:14,189 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 09:26:14,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:26:14 BoogieIcfgContainer [2018-12-09 09:26:14,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:26:14,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:26:14,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:26:14,207 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:26:14,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:26:13" (3/4) ... [2018-12-09 09:26:14,210 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 09:26:14,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:26:14,210 INFO L168 Benchmark]: Toolchain (without parser) took 712.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -129.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:14,211 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:26:14,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.29 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:14,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.22 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 941.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:14,212 INFO L168 Benchmark]: Boogie Preprocessor took 47.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:14,213 INFO L168 Benchmark]: RCFGBuilder took 165.73 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:14,213 INFO L168 Benchmark]: TraceAbstraction took 341.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:14,213 INFO L168 Benchmark]: Witness Printer took 3.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:14,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.29 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.22 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 941.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 165.73 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 341.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 73]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of bitwiseAnd at line 38. Possible FailurePath: [L68] double x = -1.0 / 0.0; [L69] CALL, EXPR fabs_double(x) VAL [\old(x)=6442450952] [L45] __uint32_t high; VAL [\old(x)=6442450952, x=6442450952] [L47] ieee_double_shape_type gh_u; [L48] gh_u.value = (x) [L49] EXPR gh_u.parts.msw [L49] (high) = gh_u.parts.msw [L52] ieee_double_shape_type sh_u; [L53] sh_u.value = (x) [L54] sh_u.parts.msw = (high & 0x7fffffff) [L55] EXPR sh_u.value [L55] (x) = sh_u.value [L57] return x; VAL [\old(x)=6442450952, \result=6442450952, high=2147483666, x=6442450952] [L69] RET, EXPR fabs_double(x) VAL [fabs_double(x)=6442450952, x=6442450952] [L69] double res = fabs_double(x); [L72] CALL, EXPR isinf_double(res) VAL [\old(x)=6442450952] [L31] __int32_t hx, lx; VAL [\old(x)=6442450952, x=6442450952] [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (x) [L35] EXPR ew_u.parts.msw [L35] (hx) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (lx) = ew_u.parts.lsw [L38] hx &= 0x7fffffff [L39] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L40] hx = 0x7ff00000 - hx [L41] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=6442450952, \result=0, hx=2146435072, lx=-2147483648, x=6442450952] [L72] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, res=6442450952, x=6442450952] [L72] COND TRUE !isinf_double(res) [L73] __VERIFIER_error() VAL [res=6442450952, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 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=31occurred 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, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 09:26:15,572 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:26:15,573 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:26:15,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:26:15,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:26:15,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:26:15,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:26:15,581 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:26:15,581 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:26:15,582 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:26:15,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:26:15,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:26:15,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:26:15,583 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:26:15,584 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:26:15,584 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:26:15,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:26:15,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:26:15,586 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:26:15,587 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:26:15,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:26:15,588 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:26:15,589 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:26:15,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:26:15,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:26:15,590 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:26:15,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:26:15,591 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:26:15,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:26:15,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:26:15,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:26:15,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:26:15,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:26:15,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:26:15,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:26:15,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:26:15,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 09:26:15,600 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:26:15,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:26:15,601 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:26:15,601 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:26:15,601 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:26:15,601 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:26:15,601 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:26:15,601 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:26:15,601 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:26:15,602 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:26:15,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:26:15,602 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:26:15,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:26:15,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:26:15,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:26:15,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:26:15,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:26:15,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:26:15,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:26:15,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:26:15,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:26:15,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:26:15,604 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 09:26:15,604 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:26:15,604 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 09:26:15,604 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 09:26:15,604 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_2f8d74e2-aa0d-4c04-a827-003fb03d4461/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 -> 56df0817616f6c5016a1ac832f32db0c87e1c370 [2018-12-09 09:26:15,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:26:15,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:26:15,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:26:15,636 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:26:15,637 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:26:15,637 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c [2018-12-09 09:26:15,677 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data/953dde59d/6a436974da434fcdb1384162da6422c5/FLAGc25de5b77 [2018-12-09 09:26:16,064 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:26:16,065 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/sv-benchmarks/c/float-newlib/double_req_bl_1012b_true-unreach-call.c [2018-12-09 09:26:16,068 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data/953dde59d/6a436974da434fcdb1384162da6422c5/FLAGc25de5b77 [2018-12-09 09:26:16,076 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/data/953dde59d/6a436974da434fcdb1384162da6422c5 [2018-12-09 09:26:16,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:26:16,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:26:16,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:26:16,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:26:16,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:26:16,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d0c8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16, skipping insertion in model container [2018-12-09 09:26:16,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:26:16,097 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:26:16,188 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:26:16,192 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:26:16,209 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:26:16,225 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:26:16,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16 WrapperNode [2018-12-09 09:26:16,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:26:16,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:26:16,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:26:16,226 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:26:16,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:26:16,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:26:16,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:26:16,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:26:16,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... [2018-12-09 09:26:16,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:26:16,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:26:16,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:26:16,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:26:16,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/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 09:26:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 09:26:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-09 09:26:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-09 09:26:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 09:26:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:26:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:26:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-09 09:26:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-09 09:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:26:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 09:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:26:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 09:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:26:16,432 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:26:16,454 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:26:16,500 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:26:16,524 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:26:16,524 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 09:26:16,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:26:16 BoogieIcfgContainer [2018-12-09 09:26:16,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:26:16,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:26:16,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:26:16,528 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:26:16,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:26:16" (1/3) ... [2018-12-09 09:26:16,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3221ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:26:16, skipping insertion in model container [2018-12-09 09:26:16,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:26:16" (2/3) ... [2018-12-09 09:26:16,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3221ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:26:16, skipping insertion in model container [2018-12-09 09:26:16,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:26:16" (3/3) ... [2018-12-09 09:26:16,530 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012b_true-unreach-call.c [2018-12-09 09:26:16,537 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:26:16,540 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:26:16,549 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:26:16,565 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:26:16,566 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:26:16,566 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:26:16,566 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:26:16,566 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:26:16,566 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:26:16,566 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:26:16,566 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:26:16,566 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:26:16,575 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-12-09 09:26:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 09:26:16,578 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:26:16,579 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 09:26:16,580 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:26:16,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:26:16,583 INFO L82 PathProgramCache]: Analyzing trace with hash 603222923, now seen corresponding path program 1 times [2018-12-09 09:26:16,585 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:26:16,585 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/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 09:26:16,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:26:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:26:16,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:26:16,642 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 09:26:16,643 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:26:16,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:26:16,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:26:16,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:26:16,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:26:16,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:26:16,661 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-12-09 09:26:16,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:26:16,673 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2018-12-09 09:26:16,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:26:16,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 09:26:16,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:26:16,678 INFO L225 Difference]: With dead ends: 52 [2018-12-09 09:26:16,679 INFO L226 Difference]: Without dead ends: 26 [2018-12-09 09:26:16,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 09:26:16,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-12-09 09:26:16,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-12-09 09:26:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-12-09 09:26:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-12-09 09:26:16,701 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 22 [2018-12-09 09:26:16,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:26:16,702 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-12-09 09:26:16,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:26:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-12-09 09:26:16,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 09:26:16,702 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:26:16,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:26:16,703 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:26:16,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:26:16,703 INFO L82 PathProgramCache]: Analyzing trace with hash -460417459, now seen corresponding path program 1 times [2018-12-09 09:26:16,703 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:26:16,703 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/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 09:26:16,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:26:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:26:16,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:26:16,829 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:16,830 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:16,830 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:16,831 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:16,835 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 73 [2018-12-09 09:26:16,864 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-12-09 09:26:16,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 09:26:16,903 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-12-09 09:26:16,917 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:16,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2018-12-09 09:26:16,918 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 09:26:16,937 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:26:16,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-09 09:26:17,237 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:66, output treesize:46 [2018-12-09 09:26:17,326 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 87 [2018-12-09 09:26:17,351 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 67 [2018-12-09 09:26:17,374 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2018-12-09 09:26:17,375 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,385 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,420 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-09 09:26:17,446 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:114, output treesize:56 [2018-12-09 09:26:17,680 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:17,681 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:17,682 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:17,683 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:26:17,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 98 [2018-12-09 09:26:17,783 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 65 [2018-12-09 09:26:17,823 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 14 [2018-12-09 09:26:17,823 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,853 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-12-09 09:26:17,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 5 [2018-12-09 09:26:17,890 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,894 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2018-12-09 09:26:17,928 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-12-09 09:26:17,928 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,930 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:26:17,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 09:26:17,972 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:82, output treesize:28 [2018-12-09 09:26:18,280 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 09:26:18,280 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:26:18,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:26:18,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-09 09:26:18,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 09:26:18,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 09:26:18,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:26:18,290 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 13 states. [2018-12-09 09:26:20,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:26:20,282 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-12-09 09:26:20,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 09:26:20,283 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-12-09 09:26:20,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:26:20,283 INFO L225 Difference]: With dead ends: 26 [2018-12-09 09:26:20,283 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:26:20,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-12-09 09:26:20,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:26:20,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:26:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:26:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:26:20,284 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-09 09:26:20,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:26:20,285 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:26:20,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 09:26:20,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:26:20,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:26:20,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:26:20,346 INFO L448 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 44 58) no Hoare annotation was computed. [2018-12-09 09:26:20,346 INFO L451 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 44 58) the Hoare annotation is: true [2018-12-09 09:26:20,346 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 56) no Hoare annotation was computed. [2018-12-09 09:26:20,346 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 44 58) no Hoare annotation was computed. [2018-12-09 09:26:20,346 INFO L448 ceAbstractionStarter]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2018-12-09 09:26:20,346 INFO L448 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L444 ceAbstractionStarter]: At program point L46-2(lines 46 50) the Hoare annotation is: (= |fabs_double_#in~x| fabs_double_~x) [2018-12-09 09:26:20,347 INFO L448 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 44 58) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:26:20,347 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L444 ceAbstractionStarter]: At program point L32-2(lines 32 37) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-09 09:26:20,347 INFO L448 ceAbstractionStarter]: For program point L32-3(lines 32 37) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 30 42) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 30 42) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 30 42) the Hoare annotation is: true [2018-12-09 09:26:20,347 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:26:20,347 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 09:26:20,348 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:26:20,348 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:26:20,348 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 60 78) the Hoare annotation is: true [2018-12-09 09:26:20,348 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-12-09 09:26:20,348 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 60 78) no Hoare annotation was computed. [2018-12-09 09:26:20,348 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 09:26:20,348 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 60 78) no Hoare annotation was computed. [2018-12-09 09:26:20,348 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64)) (|v_q#valueAsBitvector_5| (_ BitVec 64)) (v_prenex_7 (_ BitVec 64))) (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53))) (.cse1 ((_ extract 63 32) v_prenex_7))) (and (= .cse0 (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|))) (= ((_ extract 31 0) v_prenex_7) ((_ extract 31 0) |v_q#valueAsBitvector_4|)) (= .cse1 ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (= .cse0 (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= (let ((.cse2 (concat (bvand (_ bv2147483647 32) .cse1) ((_ extract 31 0) |v_q#valueAsBitvector_5|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) main_~res~0)))) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0)) [2018-12-09 09:26:20,348 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 72 75) no Hoare annotation was computed. [2018-12-09 09:26:20,349 INFO L444 ceAbstractionStarter]: At program point L69(line 69) 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 09:26:20,349 INFO L448 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-12-09 09:26:20,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:26:20 BoogieIcfgContainer [2018-12-09 09:26:20,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:26:20,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:26:20,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:26:20,357 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:26:20,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:26:16" (3/4) ... [2018-12-09 09:26:20,361 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:26:20,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-12-09 09:26:20,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:26:20,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-09 09:26:20,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:26:20,368 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-09 09:26:20,368 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 09:26:20,368 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:26:20,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 09:26:20,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-09 09:26:20,395 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f8d74e2-aa0d-4c04-a827-003fb03d4461/bin-2019/utaipan/witness.graphml [2018-12-09 09:26:20,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:26:20,396 INFO L168 Benchmark]: Toolchain (without parser) took 4317.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 943.4 MB in the beginning and 931.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 165.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:20,396 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 09:26:20,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.90 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:20,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.81 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 09:26:20,397 INFO L168 Benchmark]: Boogie Preprocessor took 54.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -214.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:20,398 INFO L168 Benchmark]: RCFGBuilder took 228.24 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:20,398 INFO L168 Benchmark]: TraceAbstraction took 3831.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.6 MB in the end (delta: 185.7 MB). Peak memory consumption was 185.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:20,398 INFO L168 Benchmark]: Witness Printer took 38.12 ms. Allocated memory is still 1.2 GB. Free memory was 938.6 MB in the beginning and 931.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:26:20,400 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 146.90 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.81 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 54.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -214.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 228.24 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3831.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.6 MB in the end (delta: 185.7 MB). Peak memory consumption was 185.7 MB. Max. memory is 11.5 GB. * Witness Printer took 38.12 ms. Allocated memory is still 1.2 GB. Free memory was 938.6 MB in the beginning and 931.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 46]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 7 SDslu, 129 SDs, 0 SdLazy, 84 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 100 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 13 QuantifiedInterpolants, 19473 SizeOfPredicates, 7 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...