./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 8be2489bdcd97218605067fa4593696f9050abdf ................................................................................................................................................................................................................................................................................................. 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/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 8be2489bdcd97218605067fa4593696f9050abdf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 11:48:58,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:48:58,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:48:58,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:48:58,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:48:58,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:48:58,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:48:58,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:48:58,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:48:58,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:48:58,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:48:58,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:48:58,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:48:58,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:48:58,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:48:58,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:48:58,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:48:58,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:48:58,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:48:58,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:48:58,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:48:58,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:48:58,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:48:58,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:48:58,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:48:58,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:48:58,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:48:58,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:48:58,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:48:58,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:48:58,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:48:58,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:48:58,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:48:58,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:48:58,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:48:58,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:48:58,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:48:58,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:48:58,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:48:58,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:48:58,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:48:58,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:48:58,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:48:58,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:48:58,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:48:58,783 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:48:58,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:48:58,784 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:48:58,784 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:48:58,784 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:48:58,784 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:48:58,784 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:48:58,784 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:48:58,784 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:48:58,784 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:48:58,785 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:48:58,785 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:48:58,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:48:58,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:48:58,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:48:58,786 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:48:58,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:48:58,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:48:58,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:48:58,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:48:58,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:48:58,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:48:58,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:48:58,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:48:58,788 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:48:58,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:48:58,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:48:58,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:48:58,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:48:58,788 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/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-12-07 11:48:58,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:48:58,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:48:58,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:48:58,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:48:58,898 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:48:58,898 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-12-07 11:48:58,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data/cd18b35f9/e1357dfebc194434b04973f8385cd2d8/FLAGed261aa29 [2019-12-07 11:48:59,359 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:48:59,359 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-12-07 11:48:59,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data/cd18b35f9/e1357dfebc194434b04973f8385cd2d8/FLAGed261aa29 [2019-12-07 11:48:59,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data/cd18b35f9/e1357dfebc194434b04973f8385cd2d8 [2019-12-07 11:48:59,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:48:59,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:48:59,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:48:59,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:48:59,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:48:59,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cabb56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59, skipping insertion in model container [2019-12-07 11:48:59,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:48:59,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:48:59,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:48:59,566 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:48:59,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:48:59,600 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:48:59,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59 WrapperNode [2019-12-07 11:48:59,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:48:59,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:48:59,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:48:59,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:48:59,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:48:59,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:48:59,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:48:59,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:48:59,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... [2019-12-07 11:48:59,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:48:59,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:48:59,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:48:59,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:48:59,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 [2019-12-07 11:48:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 11:48:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:48:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 11:48:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:48:59,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:48:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:48:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:48:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:48:59,997 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:48:59,997 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 11:48:59,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:48:59 BoogieIcfgContainer [2019-12-07 11:48:59,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:49:00,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:49:00,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:49:00,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:49:00,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:48:59" (1/3) ... [2019-12-07 11:49:00,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb82241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:00, skipping insertion in model container [2019-12-07 11:49:00,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:48:59" (2/3) ... [2019-12-07 11:49:00,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb82241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:00, skipping insertion in model container [2019-12-07 11:49:00,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:48:59" (3/3) ... [2019-12-07 11:49:00,005 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-12-07 11:49:00,013 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:49:00,018 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:49:00,025 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:49:00,039 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:49:00,039 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:49:00,039 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:49:00,040 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:49:00,040 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:49:00,040 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:49:00,040 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:49:00,040 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:49:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-12-07 11:49:00,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 11:49:00,052 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:00,053 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:00,053 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:00,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:00,056 INFO L82 PathProgramCache]: Analyzing trace with hash -2114606917, now seen corresponding path program 1 times [2019-12-07 11:49:00,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:00,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832564387] [2019-12-07 11:49:00,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:00,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832564387] [2019-12-07 11:49:00,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:00,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:49:00,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429001595] [2019-12-07 11:49:00,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:49:00,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:49:00,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:49:00,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:49:00,148 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-12-07 11:49:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:00,159 INFO L93 Difference]: Finished difference Result 35 states and 53 transitions. [2019-12-07 11:49:00,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:49:00,160 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 11:49:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:00,166 INFO L225 Difference]: With dead ends: 35 [2019-12-07 11:49:00,166 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 11:49:00,168 INFO L630 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 [2019-12-07 11:49:00,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 11:49:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 11:49:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 11:49:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-12-07 11:49:00,189 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 8 [2019-12-07 11:49:00,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:00,189 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-12-07 11:49:00,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:49:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-12-07 11:49:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 11:49:00,190 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:00,190 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:00,190 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:00,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:00,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1956015348, now seen corresponding path program 1 times [2019-12-07 11:49:00,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:00,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508462296] [2019-12-07 11:49:00,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:49:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:49:00,241 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 11:49:00,242 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:49:00,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:49:00 BoogieIcfgContainer [2019-12-07 11:49:00,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:49:00,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:49:00,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:49:00,259 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:49:00,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:48:59" (3/4) ... [2019-12-07 11:49:00,261 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:49:00,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:49:00,263 INFO L168 Benchmark]: Toolchain (without parser) took 886.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -80.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:00,263 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:00,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:00,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:00,265 INFO L168 Benchmark]: Boogie Preprocessor took 20.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:00,265 INFO L168 Benchmark]: RCFGBuilder took 351.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:00,265 INFO L168 Benchmark]: TraceAbstraction took 258.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:00,266 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:00,268 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 351.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 258.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; [L91] double x = -0.0; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND FALSE !(j0 < 20) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L51] COND TRUE j0 > 51 [L52] COND FALSE !(j0 == 0x400) [L55] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.1.25-f470102 [2019-12-07 11:49:01,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:49:01,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:49:01,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:49:01,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:49:01,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:49:01,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:49:01,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:49:01,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:49:01,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:49:01,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:49:01,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:49:01,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:49:01,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:49:01,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:49:01,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:49:01,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:49:01,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:49:01,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:49:01,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:49:01,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:49:01,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:49:01,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:49:01,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:49:01,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:49:01,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:49:01,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:49:01,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:49:01,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:49:01,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:49:01,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:49:01,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:49:01,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:49:01,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:49:01,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:49:01,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:49:01,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:49:01,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:49:01,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:49:01,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:49:01,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:49:01,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:49:01,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:49:01,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:49:01,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:49:01,673 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:49:01,673 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:49:01,673 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:49:01,673 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:49:01,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:49:01,673 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:49:01,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:49:01,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:49:01,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:49:01,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:49:01,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:49:01,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:49:01,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:49:01,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:49:01,675 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:49:01,675 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:49:01,675 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:49:01,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:49:01,675 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:49:01,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:49:01,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:49:01,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:49:01,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:49:01,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:49:01,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:01,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:49:01,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:49:01,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:49:01,677 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:49:01,677 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:49:01,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:49:01,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:49:01,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:49:01,677 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/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-12-07 11:49:01,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:49:01,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:49:01,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:49:01,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:49:01,859 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:49:01,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-12-07 11:49:01,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data/09bcf2976/23086e5eb86e4311b22c00643c30f63f/FLAG42a942239 [2019-12-07 11:49:02,233 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:49:02,233 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-12-07 11:49:02,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data/09bcf2976/23086e5eb86e4311b22c00643c30f63f/FLAG42a942239 [2019-12-07 11:49:02,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/bin/utaipan/data/09bcf2976/23086e5eb86e4311b22c00643c30f63f [2019-12-07 11:49:02,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:49:02,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:49:02,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:02,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:49:02,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:49:02,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357db60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02, skipping insertion in model container [2019-12-07 11:49:02,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:49:02,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:02,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:02,408 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:49:02,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:02,483 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:49:02,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02 WrapperNode [2019-12-07 11:49:02,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:02,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:02,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:49:02,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:49:02,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:02,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:49:02,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:49:02,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:49:02,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... [2019-12-07 11:49:02,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:49:02,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:49:02,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:49:02,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:49:02,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 [2019-12-07 11:49:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 11:49:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 11:49:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:49:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 11:49:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:49:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:49:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 11:49:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:49:03,542 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:49:03,542 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 11:49:03,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:03 BoogieIcfgContainer [2019-12-07 11:49:03,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:49:03,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:49:03,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:49:03,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:49:03,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:49:02" (1/3) ... [2019-12-07 11:49:03,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f22846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:03, skipping insertion in model container [2019-12-07 11:49:03,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:02" (2/3) ... [2019-12-07 11:49:03,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f22846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:03, skipping insertion in model container [2019-12-07 11:49:03,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:03" (3/3) ... [2019-12-07 11:49:03,548 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-12-07 11:49:03,555 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:49:03,559 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:49:03,566 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:49:03,581 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:49:03,581 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:49:03,581 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:49:03,581 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:49:03,581 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:49:03,581 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:49:03,581 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:49:03,581 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:49:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-12-07 11:49:03,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 11:49:03,594 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:03,594 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:03,594 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:03,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-12-07 11:49:03,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:03,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997352006] [2019-12-07 11:49:03,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 [2019-12-07 11:49:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:03,652 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:49:03,655 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:03,664 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:03,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997352006] [2019-12-07 11:49:03,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:03,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:49:03,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394197035] [2019-12-07 11:49:03,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:49:03,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:03,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:49:03,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:49:03,681 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-12-07 11:49:03,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:03,694 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-12-07 11:49:03,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:49:03,695 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 11:49:03,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:03,704 INFO L225 Difference]: With dead ends: 64 [2019-12-07 11:49:03,705 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 11:49:03,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:49:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 11:49:03,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 11:49:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 11:49:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-12-07 11:49:03,734 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-12-07 11:49:03,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:03,734 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-12-07 11:49:03,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:49:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-12-07 11:49:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 11:49:03,735 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:03,735 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:03,936 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:49:03,936 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:03,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:03,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-12-07 11:49:03,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:03,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924866951] [2019-12-07 11:49:03,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 [2019-12-07 11:49:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:04,018 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:49:04,019 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:04,078 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:04,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924866951] [2019-12-07 11:49:04,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:04,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 11:49:04,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418709705] [2019-12-07 11:49:04,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:49:04,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:04,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:49:04,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:04,131 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-12-07 11:49:04,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:04,390 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-12-07 11:49:04,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:49:04,391 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 11:49:04,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:04,391 INFO L225 Difference]: With dead ends: 37 [2019-12-07 11:49:04,391 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 11:49:04,392 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:49:04,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 11:49:04,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 11:49:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 11:49:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-12-07 11:49:04,395 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-12-07 11:49:04,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:04,395 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-12-07 11:49:04,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:49:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-12-07 11:49:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 11:49:04,396 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:04,396 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:04,597 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:49:04,597 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:04,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:04,598 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-12-07 11:49:04,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:04,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742948022] [2019-12-07 11:49:04,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 [2019-12-07 11:49:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:04,751 INFO L264 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 11:49:04,752 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:04,806 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:05,450 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 11:49:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:05,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742948022] [2019-12-07 11:49:05,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:05,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 11:49:05,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380664744] [2019-12-07 11:49:05,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:49:05,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:05,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:49:05,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:49:05,598 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-12-07 11:49:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:05,932 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-12-07 11:49:05,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:49:05,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 11:49:05,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:05,940 INFO L225 Difference]: With dead ends: 23 [2019-12-07 11:49:05,940 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 11:49:05,940 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:49:05,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 11:49:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 11:49:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 11:49:05,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-12-07 11:49:05,943 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-12-07 11:49:05,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:05,943 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-12-07 11:49:05,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:49:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-12-07 11:49:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 11:49:05,944 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:05,944 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:06,145 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:49:06,145 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:06,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:06,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-12-07 11:49:06,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:06,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459115581] [2019-12-07 11:49:06,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26c350de-0093-412d-8516-b27d3bc873c7/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 [2019-12-07 11:49:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:06,297 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:49:06,298 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:06,332 INFO L377 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 45 treesize of output 39 [2019-12-07 11:49:06,337 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:49:06,339 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:49:06,339 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:49:06,345 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:49:06,345 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:49:06,345 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-12-07 11:49:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:06,407 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:06,447 INFO L377 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 45 treesize of output 39 [2019-12-07 11:49:06,449 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:49:06,452 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:49:06,452 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:49:06,455 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:49:06,456 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:49:06,456 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-12-07 11:49:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:06,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459115581] [2019-12-07 11:49:06,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:06,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 11:49:06,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178995152] [2019-12-07 11:49:06,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 11:49:06,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:06,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 11:49:06,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-12-07 11:49:06,494 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-12-07 11:49:06,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:06,735 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-12-07 11:49:06,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:49:06,736 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-12-07 11:49:06,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:06,736 INFO L225 Difference]: With dead ends: 16 [2019-12-07 11:49:06,736 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:49:06,737 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-12-07 11:49:06,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:49:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:49:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:49:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:49:06,738 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-12-07 11:49:06,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:06,738 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:49:06,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 11:49:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:49:06,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:49:06,939 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:49:06,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:49:07,126 INFO L246 CegarLoopResult]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-12-07 11:49:07,126 INFO L246 CegarLoopResult]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-12-07 11:49:07,126 INFO L246 CegarLoopResult]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-12-07 11:49:07,126 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:49:07,126 INFO L246 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-12-07 11:49:07,126 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:49:07,126 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-12-07 11:49:07,127 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x (let ((.cse0 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) [2019-12-07 11:49:07,127 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-12-07 11:49:07,128 INFO L242 CegarLoopResult]: At program point L80(lines 19 81) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 |ULTIMATE.start_ceil_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_ceil_double_~i1~0 (_ 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.neg (_ +zero 11 53))) (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32))) (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_ceil_double_~i0~0) (= (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.neg (_ +zero 11 53))))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-12-07 11:49:07,128 INFO L246 CegarLoopResult]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-12-07 11:49:07,128 INFO L246 CegarLoopResult]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-12-07 11:49:07,128 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:49:07,128 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-12-07 11:49:07,128 INFO L246 CegarLoopResult]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-12-07 11:49:07,128 INFO L246 CegarLoopResult]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-12-07 11:49:07,128 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-12-07 11:49:07,129 INFO L246 CegarLoopResult]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-12-07 11:49:07,129 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:49:07,129 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-12-07 11:49:07,129 INFO L246 CegarLoopResult]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-12-07 11:49:07,129 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-12-07 11:49:07,129 INFO L249 CegarLoopResult]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-12-07 11:49:07,129 INFO L246 CegarLoopResult]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-12-07 11:49:07,129 INFO L246 CegarLoopResult]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-12-07 11:49:07,133 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.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:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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) [2019-12-07 11:49:07,135 INFO L168 Benchmark]: Toolchain (without parser) took 4884.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.4 MB in the beginning and 924.7 MB in the end (delta: 27.7 MB). Peak memory consumption was 143.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:07,135 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:07,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:07,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:07,136 INFO L168 Benchmark]: Boogie Preprocessor took 24.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:07,137 INFO L168 Benchmark]: RCFGBuilder took 1001.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:07,137 INFO L168 Benchmark]: TraceAbstraction took 3590.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 924.7 MB in the end (delta: 145.2 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:07,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1001.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3590.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 924.7 MB in the end (delta: 145.2 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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...