./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/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 98b359d4210eaa0693e17be51fa07ce179f3b890 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/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 98b359d4210eaa0693e17be51fa07ce179f3b890 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:27,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:27,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:27,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:27,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:27,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:27,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:27,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:27,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:27,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:27,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:27,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:27,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:27,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:27,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:27,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:27,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:27,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:27,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:27,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:27,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:27,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:27,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:27,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:27,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:27,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:27,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:27,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:27,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:27,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:27,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:27,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:27,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:27,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:27,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:27,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:27,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:27,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:27,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:27,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:27,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:27,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:27,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:27,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:27,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:27,124 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:27,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:27,124 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:27,125 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:27,125 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:27,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:27,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:27,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:27,126 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:27,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:27,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:27,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:27,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:27,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:27,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:27,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:27,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:27,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:27,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:27,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:27,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:27,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:27,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:27,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:27,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:27,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:27,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:27,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:27,131 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:27,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:27,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:27,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:27,132 INFO L138 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_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/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 -> 98b359d4210eaa0693e17be51fa07ce179f3b890 [2019-10-22 11:22:27,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:27,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:27,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:27,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:27,197 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:27,198 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2019-10-22 11:22:27,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data/219bd6788/59164ff77f154d77b2378f464577f5ce/FLAG96dc7e628 [2019-10-22 11:22:27,694 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:27,694 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2019-10-22 11:22:27,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data/219bd6788/59164ff77f154d77b2378f464577f5ce/FLAG96dc7e628 [2019-10-22 11:22:27,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data/219bd6788/59164ff77f154d77b2378f464577f5ce [2019-10-22 11:22:27,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:27,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:27,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:27,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:27,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:27,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:27" (1/1) ... [2019-10-22 11:22:27,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a956d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:27, skipping insertion in model container [2019-10-22 11:22:27,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:27" (1/1) ... [2019-10-22 11:22:27,734 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:27,757 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:27,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:27,998 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:28,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:28,059 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:28,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28 WrapperNode [2019-10-22 11:22:28,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:28,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:28,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:28,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:28,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:28,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:28,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:28,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:28,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:28,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:28,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:28,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:28,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/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 [2019-10-22 11:22:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:22:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:22:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 11:22:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-10-22 11:22:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:22:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:28,814 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:28,815 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-10-22 11:22:28,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:28 BoogieIcfgContainer [2019-10-22 11:22:28,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:28,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:28,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:28,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:28,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:27" (1/3) ... [2019-10-22 11:22:28,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f70b8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:28, skipping insertion in model container [2019-10-22 11:22:28,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (2/3) ... [2019-10-22 11:22:28,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f70b8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:28, skipping insertion in model container [2019-10-22 11:22:28,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:28" (3/3) ... [2019-10-22 11:22:28,830 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2019-10-22 11:22:28,839 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:28,846 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:22:28,854 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:22:28,876 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:28,876 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:28,876 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:28,876 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:28,877 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:28,877 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:28,877 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:28,877 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2019-10-22 11:22:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:22:28,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:28,897 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:28,899 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:28,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:28,904 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2019-10-22 11:22:28,914 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:28,914 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297869479] [2019-10-22 11:22:28,914 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:28,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:28,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:29,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297869479] [2019-10-22 11:22:29,031 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:29,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:29,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992009571] [2019-10-22 11:22:29,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:29,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:29,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:29,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:29,055 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2019-10-22 11:22:29,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:29,078 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2019-10-22 11:22:29,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:29,079 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-10-22 11:22:29,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:29,090 INFO L225 Difference]: With dead ends: 102 [2019-10-22 11:22:29,090 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 11:22:29,093 INFO L600 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 [2019-10-22 11:22:29,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 11:22:29,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 11:22:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 11:22:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2019-10-22 11:22:29,130 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2019-10-22 11:22:29,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:29,130 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2019-10-22 11:22:29,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2019-10-22 11:22:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:22:29,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:29,131 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:29,132 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:29,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:29,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2019-10-22 11:22:29,132 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:29,133 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981254069] [2019-10-22 11:22:29,133 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:29,133 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:29,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:29,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981254069] [2019-10-22 11:22:29,275 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:29,276 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:29,276 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50587817] [2019-10-22 11:22:29,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:29,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:29,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:29,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:29,278 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2019-10-22 11:22:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:29,294 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2019-10-22 11:22:29,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:29,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-22 11:22:29,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:29,296 INFO L225 Difference]: With dead ends: 52 [2019-10-22 11:22:29,296 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 11:22:29,297 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:29,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 11:22:29,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 11:22:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 11:22:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2019-10-22 11:22:29,303 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2019-10-22 11:22:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:29,303 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2019-10-22 11:22:29,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2019-10-22 11:22:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:22:29,304 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:29,304 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:29,304 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:29,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:29,305 INFO L82 PathProgramCache]: Analyzing trace with hash 581418946, now seen corresponding path program 1 times [2019-10-22 11:22:29,305 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:29,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796327893] [2019-10-22 11:22:29,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:29,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:29,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:22:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:22:29,547 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:22:29,548 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:22:29,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:29 BoogieIcfgContainer [2019-10-22 11:22:29,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:29,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:29,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:29,586 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:29,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:28" (3/4) ... [2019-10-22 11:22:29,591 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:22:29,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:29,593 INFO L168 Benchmark]: Toolchain (without parser) took 1875.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -80.2 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,594 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:29,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.81 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,595 INFO L168 Benchmark]: Boogie Preprocessor took 70.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:29,596 INFO L168 Benchmark]: RCFGBuilder took 619.62 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,597 INFO L168 Benchmark]: TraceAbstraction took 768.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,597 INFO L168 Benchmark]: Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:29,600 INFO L335 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 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.81 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 619.62 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 768.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 150]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 120, overapproximation of someBinaryArithmeticDOUBLEoperation at line 144, overapproximation of bitwiseAnd at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 149. Possible FailurePath: [L18] static const double one_modf = 1.0; VAL [one_modf=1] [L144] double x = 1.0 / 0.0; [L145] double iptr = __VERIFIER_nondet_double(); [L21] __int32_t i0, i1, j0; [L22] __uint32_t i; VAL [one_modf=1] [L24] ieee_double_shape_type ew_u; [L25] ew_u.value = (x) [L26] EXPR ew_u.parts.msw [L26] (i0) = ew_u.parts.msw [L27] EXPR ew_u.parts.lsw [L27] (i1) = ew_u.parts.lsw [L29] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L30] COND TRUE j0 < 20 VAL [one_modf=1] [L31] COND TRUE j0 < 0 VAL [one_modf=1] [L33] ieee_double_shape_type iw_u; [L34] iw_u.parts.msw = (i0 & 0x80000000) [L35] iw_u.parts.lsw = (0) [L36] EXPR iw_u.value [L36] (*iptr) = iw_u.value [L38] return x; VAL [one_modf=1] [L146] double res = modf_double(x, &iptr); [L149] EXPR \read(iptr) [L112] __int32_t hx, lx; VAL [one_modf=1] [L114] ieee_double_shape_type ew_u; [L115] ew_u.value = (x) [L116] EXPR ew_u.parts.msw [L116] (hx) = ew_u.parts.msw [L117] EXPR ew_u.parts.lsw [L117] (lx) = ew_u.parts.lsw [L119] hx &= 0x7fffffff [L120] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L121] hx = 0x7ff00000 - hx [L122] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [one_modf=1] [L149] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L149] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_modf=1] [L149] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) VAL [one_modf=1] [L149] COND TRUE isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L150] __VERIFIER_error() VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 113 SDtfs, 0 SDslu, 49 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-cad4683 [2019-10-22 11:22:31,578 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-10-22 11:22:31,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:31,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:31,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:31,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:31,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:31,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:31,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:31,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:31,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:31,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:31,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:31,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:31,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:31,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:31,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:31,659 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:31,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:31,659 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:31,659 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:31,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:31,659 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:31,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:31,660 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:31,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:31,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:31,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:31,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:31,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:31,661 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:31,661 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:31,661 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:31,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:31,661 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:31,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:31,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:31,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:31,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:31,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:31,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:31,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:31,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:31,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:31,663 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:31,663 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:31,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:31,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:31,663 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/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 -> 98b359d4210eaa0693e17be51fa07ce179f3b890 [2019-10-22 11:22:31,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:31,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:31,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:31,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:31,717 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:31,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2019-10-22 11:22:31,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data/22c1f86fd/fdabd5aebf214af198f3c2dac5887007/FLAG1193c5acc [2019-10-22 11:22:32,135 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:32,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2019-10-22 11:22:32,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data/22c1f86fd/fdabd5aebf214af198f3c2dac5887007/FLAG1193c5acc [2019-10-22 11:22:32,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/data/22c1f86fd/fdabd5aebf214af198f3c2dac5887007 [2019-10-22 11:22:32,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:32,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:32,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:32,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:32,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:32,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:32,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7e5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32, skipping insertion in model container [2019-10-22 11:22:32,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:32,523 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:32,542 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:32,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:32,795 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:32,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:32,919 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:32,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32 WrapperNode [2019-10-22 11:22:32,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:32,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:32,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:32,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:32,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:32,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:32,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:32,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:32,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:32,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:32,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:32,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:32,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:32,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:32,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:33,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:33,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... [2019-10-22 11:22:33,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:33,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:33,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:33,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:33,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/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 [2019-10-22 11:22:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 11:22:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 11:22:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-10-22 11:22:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:22:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:22:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:34,156 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:34,157 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-10-22 11:22:34,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:34 BoogieIcfgContainer [2019-10-22 11:22:34,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:34,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:34,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:34,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:34,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:32" (1/3) ... [2019-10-22 11:22:34,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccb92c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:34, skipping insertion in model container [2019-10-22 11:22:34,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:32" (2/3) ... [2019-10-22 11:22:34,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccb92c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:34, skipping insertion in model container [2019-10-22 11:22:34,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:34" (3/3) ... [2019-10-22 11:22:34,165 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2019-10-22 11:22:34,174 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:34,182 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:22:34,192 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:22:34,214 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:34,215 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:34,215 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:34,215 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:34,215 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:34,216 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:34,216 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:34,216 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2019-10-22 11:22:34,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:22:34,234 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:34,235 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:34,236 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:34,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:34,240 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2019-10-22 11:22:34,248 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:34,248 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485544722] [2019-10-22 11:22:34,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/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 [2019-10-22 11:22:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:34,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:22:34,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:34,398 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:34,405 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485544722] [2019-10-22 11:22:34,406 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:34,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:22:34,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205814391] [2019-10-22 11:22:34,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:34,412 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:34,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:34,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:34,427 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2019-10-22 11:22:34,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:34,446 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2019-10-22 11:22:34,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:34,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-10-22 11:22:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:34,459 INFO L225 Difference]: With dead ends: 102 [2019-10-22 11:22:34,460 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 11:22:34,463 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:34,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 11:22:34,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 11:22:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 11:22:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2019-10-22 11:22:34,501 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2019-10-22 11:22:34,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:34,502 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2019-10-22 11:22:34,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2019-10-22 11:22:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:22:34,503 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:34,503 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:34,704 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:22:34,704 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:34,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:34,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2019-10-22 11:22:34,706 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:34,706 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273513196] [2019-10-22 11:22:34,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/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 [2019-10-22 11:22:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:34,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:22:34,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:34,938 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:35,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273513196] [2019-10-22 11:22:35,021 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:35,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 11:22:35,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732630968] [2019-10-22 11:22:35,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:22:35,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:35,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:22:35,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:35,024 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 8 states. [2019-10-22 11:22:35,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:35,701 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2019-10-22 11:22:35,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:35,703 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-10-22 11:22:35,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:35,704 INFO L225 Difference]: With dead ends: 64 [2019-10-22 11:22:35,704 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 11:22:35,705 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:22:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 11:22:35,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 11:22:35,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 11:22:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-10-22 11:22:35,716 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2019-10-22 11:22:35,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:35,718 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-10-22 11:22:35,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:22:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-10-22 11:22:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:22:35,720 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:35,720 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:35,921 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 11:22:35,921 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:35,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:35,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1408426499, now seen corresponding path program 1 times [2019-10-22 11:22:35,922 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:35,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895206583] [2019-10-22 11:22:35,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-10-22 11:22:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:36,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:36,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:36,418 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:36,421 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895206583] [2019-10-22 11:22:36,421 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:36,421 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:22:36,421 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495695677] [2019-10-22 11:22:36,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:36,422 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:36,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:36,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:36,423 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 3 states. [2019-10-22 11:22:36,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:36,449 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-10-22 11:22:36,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:36,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:22:36,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:36,452 INFO L225 Difference]: With dead ends: 30 [2019-10-22 11:22:36,452 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 11:22:36,452 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:36,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 11:22:36,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 11:22:36,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 11:22:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2019-10-22 11:22:36,457 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2019-10-22 11:22:36,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:36,457 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2019-10-22 11:22:36,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:36,458 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2019-10-22 11:22:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:36,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:36,458 INFO L380 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] [2019-10-22 11:22:36,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 11:22:36,659 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:36,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:36,659 INFO L82 PathProgramCache]: Analyzing trace with hash -605570489, now seen corresponding path program 1 times [2019-10-22 11:22:36,660 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:36,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051683433] [2019-10-22 11:22:36,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-10-22 11:22:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:37,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:37,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:37,072 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2019-10-22 11:22:37,081 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:37,086 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:37,086 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:37,091 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:37,092 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:22:37,092 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2019-10-22 11:22:37,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:37,167 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:37,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:37,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051683433] [2019-10-22 11:22:37,249 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:37,250 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-10-22 11:22:37,250 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656549172] [2019-10-22 11:22:37,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:22:37,252 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:37,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:22:37,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:37,252 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 9 states. [2019-10-22 11:22:37,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:37,810 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2019-10-22 11:22:37,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:37,813 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-10-22 11:22:37,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:37,813 INFO L225 Difference]: With dead ends: 31 [2019-10-22 11:22:37,814 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 11:22:37,814 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:22:37,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 11:22:37,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 11:22:37,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 11:22:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2019-10-22 11:22:37,820 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2019-10-22 11:22:37,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:37,820 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2019-10-22 11:22:37,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:22:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2019-10-22 11:22:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:22:37,821 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:37,821 INFO L380 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] [2019-10-22 11:22:38,022 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 11:22:38,022 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:38,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:38,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1265561966, now seen corresponding path program 1 times [2019-10-22 11:22:38,023 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:38,023 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096494046] [2019-10-22 11:22:38,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56292eb2-aa37-47d9-bae9-b2a480b50de5/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-10-22 11:22:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:38,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-22 11:22:38,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:38,421 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2019-10-22 11:22:38,425 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:38,429 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:38,429 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:38,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:38,440 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:22:38,440 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:69, output treesize:39 [2019-10-22 11:22:38,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:38,710 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:38,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:38,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:38,977 INFO L375 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 58 treesize of output 52 [2019-10-22 11:22:38,982 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:38,984 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:38,984 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:38,990 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:38,991 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:22:38,991 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:35 [2019-10-22 11:22:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096494046] [2019-10-22 11:22:39,115 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:39,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 18 [2019-10-22 11:22:39,116 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024698992] [2019-10-22 11:22:39,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-22 11:22:39,116 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:39,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-22 11:22:39,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2019-10-22 11:22:39,117 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 18 states. [2019-10-22 11:22:41,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:41,002 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2019-10-22 11:22:41,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 11:22:41,002 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2019-10-22 11:22:41,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:41,003 INFO L225 Difference]: With dead ends: 27 [2019-10-22 11:22:41,003 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:41,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2019-10-22 11:22:41,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:41,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 11:22:41,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:41,004 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:41,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-22 11:22:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:41,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:41,205 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-10-22 11:22:41,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:41,381 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-10-22 11:22:41,619 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-10-22 11:22:41,784 INFO L443 ceAbstractionStarter]: For program point L44-1(lines 44 48) no Hoare annotation was computed. [2019-10-22 11:22:41,784 INFO L439 ceAbstractionStarter]: At program point L44-2(lines 44 48) the Hoare annotation is: false [2019-10-22 11:22:41,784 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2019-10-22 11:22:41,784 INFO L439 ceAbstractionStarter]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (= ULTIMATE.start_modf_double_~x (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~i0~0 ((_ extract 63 32) v_skolemized_v_prenex_1_3))))) [2019-10-22 11:22:41,784 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:41,784 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:41,784 INFO L443 ceAbstractionStarter]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2019-10-22 11:22:41,785 INFO L439 ceAbstractionStarter]: At program point L86-2(lines 86 90) the Hoare annotation is: false [2019-10-22 11:22:41,785 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-10-22 11:22:41,785 INFO L439 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_modf_double_#res|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) |ULTIMATE.start_main_#t~short32| (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~i0~0 ((_ extract 63 32) v_skolemized_v_prenex_1_3)))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) ULTIMATE.start_modf_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse3 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))))) [2019-10-22 11:22:41,785 INFO L443 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-10-22 11:22:41,785 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 107) no Hoare annotation was computed. [2019-10-22 11:22:41,785 INFO L446 ceAbstractionStarter]: At program point L154(lines 137 155) the Hoare annotation is: true [2019-10-22 11:22:41,786 INFO L443 ceAbstractionStarter]: For program point L113-1(lines 113 118) no Hoare annotation was computed. [2019-10-22 11:22:41,786 INFO L439 ceAbstractionStarter]: At program point L113-2(lines 113 118) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_modf_double_#res|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~i0~0 ((_ extract 63 32) v_skolemized_v_prenex_1_3)))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_modf_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))))) [2019-10-22 11:22:41,786 INFO L443 ceAbstractionStarter]: For program point L113-3(lines 113 118) no Hoare annotation was computed. [2019-10-22 11:22:41,786 INFO L439 ceAbstractionStarter]: At program point L105(lines 20 108) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_modf_double_#res|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~i0~0 ((_ extract 63 32) v_skolemized_v_prenex_1_3)))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_modf_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))))) [2019-10-22 11:22:41,786 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 65) no Hoare annotation was computed. [2019-10-22 11:22:41,787 INFO L439 ceAbstractionStarter]: At program point L122(lines 111 123) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_modf_double_#res|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~i0~0 ((_ extract 63 32) v_skolemized_v_prenex_1_3)))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_modf_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))))) [2019-10-22 11:22:41,787 INFO L443 ceAbstractionStarter]: For program point L23-1(lines 23 28) no Hoare annotation was computed. [2019-10-22 11:22:41,787 INFO L439 ceAbstractionStarter]: At program point L23-2(lines 23 28) the Hoare annotation is: (= ULTIMATE.start_modf_double_~x (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2019-10-22 11:22:41,787 INFO L443 ceAbstractionStarter]: For program point L23-3(lines 23 28) no Hoare annotation was computed. [2019-10-22 11:22:41,787 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2019-10-22 11:22:41,787 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:41,787 INFO L443 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2019-10-22 11:22:41,788 INFO L439 ceAbstractionStarter]: At program point L32-2(lines 32 37) the Hoare annotation is: false [2019-10-22 11:22:41,788 INFO L443 ceAbstractionStarter]: For program point L32-3(lines 32 37) no Hoare annotation was computed. [2019-10-22 11:22:41,788 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 57 62) no Hoare annotation was computed. [2019-10-22 11:22:41,788 INFO L439 ceAbstractionStarter]: At program point L57-2(lines 57 62) the Hoare annotation is: false [2019-10-22 11:22:41,788 INFO L443 ceAbstractionStarter]: For program point L57-3(lines 57 62) no Hoare annotation was computed. [2019-10-22 11:22:41,788 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 54) no Hoare annotation was computed. [2019-10-22 11:22:41,788 INFO L443 ceAbstractionStarter]: For program point L49-1(lines 41 56) no Hoare annotation was computed. [2019-10-22 11:22:41,788 INFO L443 ceAbstractionStarter]: For program point L49-2(lines 49 54) no Hoare annotation was computed. [2019-10-22 11:22:41,788 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-10-22 11:22:41,788 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 64) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 66 81) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 107) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 99 104) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L439 ceAbstractionStarter]: At program point L99-2(lines 99 104) the Hoare annotation is: false [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point L99-3(lines 99 104) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 96) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point L91-1(lines 83 98) no Hoare annotation was computed. [2019-10-22 11:22:41,789 INFO L443 ceAbstractionStarter]: For program point L91-2(lines 91 96) no Hoare annotation was computed. [2019-10-22 11:22:41,790 INFO L443 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2019-10-22 11:22:41,790 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-10-22 11:22:41,790 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 106) no Hoare annotation was computed. [2019-10-22 11:22:41,790 INFO L443 ceAbstractionStarter]: For program point L149-3(line 149) no Hoare annotation was computed. [2019-10-22 11:22:41,790 INFO L443 ceAbstractionStarter]: For program point L149-5(lines 149 152) no Hoare annotation was computed. [2019-10-22 11:22:41,790 INFO L443 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-10-22 11:22:41,790 INFO L439 ceAbstractionStarter]: At program point L134(lines 125 135) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_27| (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_27|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_27|)) (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_modf_double_#res|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) |ULTIMATE.start_main_#t~short32| (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~i0~0 ((_ extract 63 32) v_skolemized_v_prenex_1_3)))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= (let ((.cse3 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start_modf_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse4 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))))) [2019-10-22 11:22:41,794 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:41,797 INFO L168 Benchmark]: Toolchain (without parser) took 9288.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:41,798 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:41,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:41,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:41,799 INFO L168 Benchmark]: Boogie Preprocessor took 39.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:41,800 INFO L168 Benchmark]: RCFGBuilder took 1148.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:41,800 INFO L168 Benchmark]: TraceAbstraction took 7637.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:41,802 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 410.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1148.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7637.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...