./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.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_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 4284cb37841cd94fe17da64cc250a8a1e69c6375 ............................................................................................................................................................................................................................................................................................... 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_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 4284cb37841cd94fe17da64cc250a8a1e69c6375 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:46:08,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:46:08,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:46:08,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:46:08,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:46:08,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:46:08,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:46:08,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:46:08,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:46:08,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:46:08,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:46:08,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:46:08,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:46:08,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:46:08,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:46:08,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:46:08,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:46:08,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:46:08,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:46:08,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:46:08,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:46:08,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:46:08,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:46:08,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:46:08,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:46:08,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:46:08,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:46:08,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:46:08,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:46:08,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:46:08,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:46:08,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:46:08,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:46:08,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:46:08,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:46:08,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:46:08,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:46:08,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:46:08,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:46:08,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:46:08,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:46:08,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:46:08,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:46:08,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:46:08,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:46:08,596 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:46:08,596 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:46:08,596 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:46:08,596 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:46:08,596 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:46:08,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:46:08,597 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:46:08,597 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:46:08,597 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:46:08,597 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:46:08,597 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:46:08,598 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:46:08,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:46:08,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:46:08,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:46:08,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:46:08,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:46:08,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:46:08,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:46:08,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:46:08,599 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:46:08,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:46:08,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:46:08,600 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:46:08,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:46:08,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:46:08,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:46:08,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:46:08,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:46:08,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:46:08,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:46:08,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:46:08,602 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:46:08,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:46:08,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:46:08,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:46:08,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:46:08,602 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_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 -> 4284cb37841cd94fe17da64cc250a8a1e69c6375 [2019-12-07 20:46:08,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:46:08,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:46:08,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:46:08,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:46:08,745 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:46:08,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c [2019-12-07 20:46:08,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data/6a13f14c7/5c3ea118878844e39c516139c9ea52c7/FLAG7bff95dfe [2019-12-07 20:46:09,193 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:46:09,194 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/sv-benchmarks/c/float-newlib/double_req_bl_1232a.c [2019-12-07 20:46:09,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data/6a13f14c7/5c3ea118878844e39c516139c9ea52c7/FLAG7bff95dfe [2019-12-07 20:46:09,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data/6a13f14c7/5c3ea118878844e39c516139c9ea52c7 [2019-12-07 20:46:09,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:46:09,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:46:09,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:46:09,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:46:09,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:46:09,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a62463e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09, skipping insertion in model container [2019-12-07 20:46:09,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:46:09,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:46:09,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:46:09,762 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:46:09,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:46:09,795 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:46:09,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09 WrapperNode [2019-12-07 20:46:09,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:46:09,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:46:09,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:46:09,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:46:09,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:46:09,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:46:09,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:46:09,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:46:09,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... [2019-12-07 20:46:09,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:46:09,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:46:09,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:46:09,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:46:09,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 20:46:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:46:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:46:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:46:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:46:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:46:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:46:10,214 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:46:10,214 INFO L287 CfgBuilder]: Removed 18 assume(true) statements. [2019-12-07 20:46:10,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:46:10 BoogieIcfgContainer [2019-12-07 20:46:10,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:46:10,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:46:10,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:46:10,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:46:10,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:46:09" (1/3) ... [2019-12-07 20:46:10,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b851374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:46:10, skipping insertion in model container [2019-12-07 20:46:10,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:09" (2/3) ... [2019-12-07 20:46:10,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b851374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:46:10, skipping insertion in model container [2019-12-07 20:46:10,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:46:10" (3/3) ... [2019-12-07 20:46:10,220 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1232a.c [2019-12-07 20:46:10,226 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:46:10,231 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:46:10,238 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:46:10,253 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:46:10,253 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:46:10,253 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:46:10,253 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:46:10,253 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:46:10,253 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:46:10,253 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:46:10,253 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:46:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-12-07 20:46:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 20:46:10,267 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:10,267 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:10,267 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:10,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:10,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1376599959, now seen corresponding path program 1 times [2019-12-07 20:46:10,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:46:10,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151065820] [2019-12-07 20:46:10,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:46:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:10,349 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 20:46:10,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151065820] [2019-12-07 20:46:10,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:10,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:46:10,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669751720] [2019-12-07 20:46:10,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:46:10,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:46:10,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:46:10,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:46:10,363 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-12-07 20:46:10,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:10,374 INFO L93 Difference]: Finished difference Result 35 states and 51 transitions. [2019-12-07 20:46:10,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:46:10,375 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 20:46:10,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:10,381 INFO L225 Difference]: With dead ends: 35 [2019-12-07 20:46:10,381 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 20:46:10,383 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 20:46:10,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 20:46:10,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 20:46:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 20:46:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-12-07 20:46:10,403 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2019-12-07 20:46:10,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:10,404 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-12-07 20:46:10,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:46:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-12-07 20:46:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 20:46:10,404 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:10,404 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:10,404 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:10,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:10,405 INFO L82 PathProgramCache]: Analyzing trace with hash 98148914, now seen corresponding path program 1 times [2019-12-07 20:46:10,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:46:10,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003725791] [2019-12-07 20:46:10,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:46:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:46:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:46:10,465 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:46:10,466 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:46:10,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:46:10 BoogieIcfgContainer [2019-12-07 20:46:10,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:46:10,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:46:10,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:46:10,483 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:46:10,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:46:10" (3/4) ... [2019-12-07 20:46:10,485 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:46:10,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:46:10,487 INFO L168 Benchmark]: Toolchain (without parser) took 915.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 942.5 MB in the beginning and 1.0 GB in the end (delta: -72.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:10,487 INFO L168 Benchmark]: CDTParser took 0.17 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 20:46:10,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:10,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.28 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 20:46:10,488 INFO L168 Benchmark]: Boogie Preprocessor took 20.01 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 20:46:10,489 INFO L168 Benchmark]: RCFGBuilder took 367.96 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 20:46:10,489 INFO L168 Benchmark]: TraceAbstraction took 266.86 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:10,489 INFO L168 Benchmark]: Witness Printer took 2.78 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 20:46:10,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.28 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 20.01 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. * RCFGBuilder took 367.96 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 266.86 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 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: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someUnaryDOUBLEoperation at line 75. Possible FailurePath: [L74] double x = 0.0; [L75] double y = -0.0; [L19] __uint32_t msw, lsw; [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L31-L32] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L34-L35] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L38-L39] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L42] return 0; [L46] COND TRUE __fpclassify_double(x) == 0 [L47] return y; [L76] double res = fmin_double(x, y); [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L80] __VERIFIER_error() - 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: 19 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 20:46:11,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:46:11,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:46:11,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:46:11,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:46:11,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:46:11,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:46:11,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:46:11,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:46:11,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:46:11,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:46:11,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:46:11,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:46:11,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:46:11,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:46:11,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:46:11,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:46:11,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:46:11,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:46:11,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:46:11,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:46:11,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:46:11,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:46:11,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:46:11,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:46:11,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:46:11,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:46:11,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:46:11,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:46:11,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:46:11,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:46:11,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:46:11,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:46:11,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:46:11,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:46:11,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:46:11,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:46:11,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:46:11,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:46:11,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:46:11,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:46:11,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:46:11,864 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:46:11,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:46:11,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:46:11,865 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:46:11,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:46:11,865 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:46:11,865 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:46:11,865 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:46:11,866 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:46:11,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:46:11,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:46:11,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:46:11,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:46:11,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:46:11,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:46:11,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:46:11,867 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:46:11,867 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:46:11,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:46:11,868 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:46:11,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:46:11,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:46:11,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:46:11,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:46:11,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:46:11,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:46:11,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:46:11,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:46:11,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:46:11,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:46:11,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:46:11,869 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:46:11,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:46:11,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:46:11,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:46:11,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:46:11,870 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_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 -> 4284cb37841cd94fe17da64cc250a8a1e69c6375 [2019-12-07 20:46:12,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:46:12,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:46:12,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:46:12,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:46:12,052 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:46:12,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c [2019-12-07 20:46:12,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data/3766983d0/96a4f940f70d4876b627d99e89c4324d/FLAG4f9c957c6 [2019-12-07 20:46:12,436 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:46:12,437 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/sv-benchmarks/c/float-newlib/double_req_bl_1232a.c [2019-12-07 20:46:12,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data/3766983d0/96a4f940f70d4876b627d99e89c4324d/FLAG4f9c957c6 [2019-12-07 20:46:12,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/data/3766983d0/96a4f940f70d4876b627d99e89c4324d [2019-12-07 20:46:12,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:46:12,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:46:12,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:46:12,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:46:12,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:46:12,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41944eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12, skipping insertion in model container [2019-12-07 20:46:12,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:46:12,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:46:12,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:46:12,589 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:46:12,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:46:12,627 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:46:12,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12 WrapperNode [2019-12-07 20:46:12,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:46:12,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:46:12,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:46:12,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:46:12,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:46:12,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:46:12,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:46:12,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:46:12,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... [2019-12-07 20:46:12,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:46:12,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:46:12,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:46:12,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:46:12,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 20:46:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 20:46:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:46:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:46:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:46:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:46:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:46:13,012 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:46:13,012 INFO L287 CfgBuilder]: Removed 18 assume(true) statements. [2019-12-07 20:46:13,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:46:13 BoogieIcfgContainer [2019-12-07 20:46:13,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:46:13,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:46:13,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:46:13,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:46:13,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:46:12" (1/3) ... [2019-12-07 20:46:13,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c257943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:46:13, skipping insertion in model container [2019-12-07 20:46:13,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:12" (2/3) ... [2019-12-07 20:46:13,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c257943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:46:13, skipping insertion in model container [2019-12-07 20:46:13,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:46:13" (3/3) ... [2019-12-07 20:46:13,018 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1232a.c [2019-12-07 20:46:13,025 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:46:13,029 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:46:13,036 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:46:13,051 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:46:13,052 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:46:13,052 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:46:13,052 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:46:13,052 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:46:13,052 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:46:13,052 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:46:13,052 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:46:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-12-07 20:46:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:46:13,066 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:13,067 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:13,067 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:13,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:13,071 INFO L82 PathProgramCache]: Analyzing trace with hash -958075201, now seen corresponding path program 1 times [2019-12-07 20:46:13,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:46:13,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116779455] [2019-12-07 20:46:13,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 20:46:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:13,132 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:46:13,136 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:46:13,146 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 20:46:13,147 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:46:13,150 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 20:46:13,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116779455] [2019-12-07 20:46:13,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:13,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:46:13,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045158603] [2019-12-07 20:46:13,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:46:13,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:46:13,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:46:13,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:46:13,166 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2019-12-07 20:46:13,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:13,182 INFO L93 Difference]: Finished difference Result 62 states and 98 transitions. [2019-12-07 20:46:13,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:46:13,183 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 20:46:13,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:13,192 INFO L225 Difference]: With dead ends: 62 [2019-12-07 20:46:13,193 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 20:46:13,195 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 20:46:13,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 20:46:13,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 20:46:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 20:46:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-12-07 20:46:13,222 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 10 [2019-12-07 20:46:13,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:13,222 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-12-07 20:46:13,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:46:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-12-07 20:46:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 20:46:13,223 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:13,223 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:13,424 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:46:13,425 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:13,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:13,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1001584898, now seen corresponding path program 1 times [2019-12-07 20:46:13,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:46:13,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898227874] [2019-12-07 20:46:13,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 20:46:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:13,607 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:46:13,608 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:46:13,631 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 20:46:13,631 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:46:13,648 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 20:46:13,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898227874] [2019-12-07 20:46:13,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:13,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:46:13,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887353029] [2019-12-07 20:46:13,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:46:13,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:46:13,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:46:13,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:46:13,651 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2019-12-07 20:46:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:13,742 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2019-12-07 20:46:13,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:46:13,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-12-07 20:46:13,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:13,743 INFO L225 Difference]: With dead ends: 68 [2019-12-07 20:46:13,743 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 20:46:13,744 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:46:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 20:46:13,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 31. [2019-12-07 20:46:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 20:46:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-12-07 20:46:13,749 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 11 [2019-12-07 20:46:13,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:13,749 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 20:46:13,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:46:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-12-07 20:46:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 20:46:13,750 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:13,750 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:13,951 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:46:13,951 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:13,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1219247017, now seen corresponding path program 1 times [2019-12-07 20:46:13,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:46:13,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735702408] [2019-12-07 20:46:13,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 20:46:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:14,080 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 20:46:14,082 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:46:14,114 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 20:46:14,114 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:46:14,143 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 20:46:14,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735702408] [2019-12-07 20:46:14,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:14,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:46:14,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411023877] [2019-12-07 20:46:14,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:46:14,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:46:14,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:46:14,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:46:14,146 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 6 states. [2019-12-07 20:46:14,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:14,215 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2019-12-07 20:46:14,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:46:14,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 20:46:14,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:14,216 INFO L225 Difference]: With dead ends: 52 [2019-12-07 20:46:14,216 INFO L226 Difference]: Without dead ends: 28 [2019-12-07 20:46:14,216 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:46:14,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-07 20:46:14,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-07 20:46:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 20:46:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2019-12-07 20:46:14,220 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 14 [2019-12-07 20:46:14,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:14,220 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2019-12-07 20:46:14,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:46:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2019-12-07 20:46:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:46:14,221 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:14,221 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:14,421 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:46:14,422 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:14,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:14,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1012446717, now seen corresponding path program 1 times [2019-12-07 20:46:14,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:46:14,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054826640] [2019-12-07 20:46:14,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/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 20:46:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:14,554 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:46:14,555 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:46:14,565 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 20:46:14,565 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:46:14,582 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 20:46:14,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054826640] [2019-12-07 20:46:14,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:14,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:46:14,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361951534] [2019-12-07 20:46:14,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:46:14,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:46:14,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:46:14,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:46:14,584 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 6 states. [2019-12-07 20:46:14,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:14,701 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2019-12-07 20:46:14,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:46:14,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-12-07 20:46:14,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:14,703 INFO L225 Difference]: With dead ends: 65 [2019-12-07 20:46:14,703 INFO L226 Difference]: Without dead ends: 56 [2019-12-07 20:46:14,704 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:46:14,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-12-07 20:46:14,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 30. [2019-12-07 20:46:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 20:46:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2019-12-07 20:46:14,709 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 16 [2019-12-07 20:46:14,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:14,709 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2019-12-07 20:46:14,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:46:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2019-12-07 20:46:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:46:14,710 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:14,710 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:14,911 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:46:14,911 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:14,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:14,912 INFO L82 PathProgramCache]: Analyzing trace with hash -414082333, now seen corresponding path program 1 times [2019-12-07 20:46:14,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:46:14,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310275921] [2019-12-07 20:46:14,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:46:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:15,036 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:46:15,037 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:46:15,053 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 20:46:15,053 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:46:15,080 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 20:46:15,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310275921] [2019-12-07 20:46:15,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:15,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:46:15,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484931934] [2019-12-07 20:46:15,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:46:15,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:46:15,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:46:15,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:46:15,082 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 4 states. [2019-12-07 20:46:15,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:15,091 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2019-12-07 20:46:15,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:46:15,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-12-07 20:46:15,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:15,093 INFO L225 Difference]: With dead ends: 40 [2019-12-07 20:46:15,093 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 20:46:15,093 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:46:15,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 20:46:15,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 20:46:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 20:46:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2019-12-07 20:46:15,097 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 18 [2019-12-07 20:46:15,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:15,097 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2019-12-07 20:46:15,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:46:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2019-12-07 20:46:15,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:46:15,098 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:15,098 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:15,299 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:46:15,300 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:15,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:15,301 INFO L82 PathProgramCache]: Analyzing trace with hash -356824031, now seen corresponding path program 1 times [2019-12-07 20:46:15,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:46:15,302 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655025973] [2019-12-07 20:46:15,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 20:46:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:15,424 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:46:15,426 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:46:15,467 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 20:46:15,467 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:46:15,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:46:15,505 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 20:46:15,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655025973] [2019-12-07 20:46:15,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:15,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 20:46:15,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911460587] [2019-12-07 20:46:15,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 20:46:15,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:46:15,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 20:46:15,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:46:15,506 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 9 states. [2019-12-07 20:46:15,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:15,591 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2019-12-07 20:46:15,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 20:46:15,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-12-07 20:46:15,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:15,592 INFO L225 Difference]: With dead ends: 42 [2019-12-07 20:46:15,592 INFO L226 Difference]: Without dead ends: 39 [2019-12-07 20:46:15,593 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-12-07 20:46:15,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-12-07 20:46:15,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2019-12-07 20:46:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-12-07 20:46:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2019-12-07 20:46:15,596 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 18 [2019-12-07 20:46:15,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:15,596 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2019-12-07 20:46:15,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 20:46:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2019-12-07 20:46:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:46:15,597 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:15,597 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:15,797 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:46:15,798 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:15,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:15,799 INFO L82 PathProgramCache]: Analyzing trace with hash -208358251, now seen corresponding path program 1 times [2019-12-07 20:46:15,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:46:15,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289985725] [2019-12-07 20:46:15,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 20:46:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:15,908 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 20:46:15,910 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:46:15,933 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 20:46:15,933 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:46:15,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:46:16,031 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 20:46:16,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289985725] [2019-12-07 20:46:16,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:16,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:46:16,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683005741] [2019-12-07 20:46:16,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:46:16,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:46:16,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:46:16,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:46:16,032 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 8 states. [2019-12-07 20:46:16,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:16,108 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2019-12-07 20:46:16,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:46:16,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-12-07 20:46:16,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:16,110 INFO L225 Difference]: With dead ends: 45 [2019-12-07 20:46:16,110 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 20:46:16,110 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:46:16,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 20:46:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 20:46:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 20:46:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-12-07 20:46:16,115 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 19 [2019-12-07 20:46:16,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:16,115 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-12-07 20:46:16,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:46:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-12-07 20:46:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:46:16,116 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:46:16,116 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:46:16,317 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:46:16,318 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:46:16,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:46:16,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1524231306, now seen corresponding path program 1 times [2019-12-07 20:46:16,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:46:16,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695776999] [2019-12-07 20:46:16,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 20:46:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:46:16,486 INFO L264 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 20:46:16,488 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:46:16,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:46:16,561 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 20:46:16,561 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:46:16,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:46:16,774 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 20:46:16,775 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695776999] [2019-12-07 20:46:16,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:46:16,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-12-07 20:46:16,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3393199] [2019-12-07 20:46:16,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 20:46:16,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:46:16,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 20:46:16,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:46:16,776 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 16 states. [2019-12-07 20:46:16,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:46:16,979 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-12-07 20:46:16,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:46:16,979 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 22 [2019-12-07 20:46:16,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:46:16,979 INFO L225 Difference]: With dead ends: 27 [2019-12-07 20:46:16,980 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:46:16,980 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2019-12-07 20:46:16,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:46:16,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:46:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:46:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:46:16,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-12-07 20:46:16,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:46:16,981 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:46:16,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 20:46:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:46:16,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:46:17,182 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:46:17,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:46:17,414 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:46:17,414 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:46:17,414 INFO L246 CegarLoopResult]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2019-12-07 20:46:17,415 INFO L242 CegarLoopResult]: At program point L21-2(lines 21 26) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_fmin_double_~x) (= ULTIMATE.start_fmin_double_~y (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___fpclassify_double_~x (_ +zero 11 53))) [2019-12-07 20:46:17,415 INFO L246 CegarLoopResult]: For program point L21-3(lines 18 43) no Hoare annotation was computed. [2019-12-07 20:46:17,415 INFO L246 CegarLoopResult]: For program point L21-5(lines 21 26) no Hoare annotation was computed. [2019-12-07 20:46:17,415 INFO L242 CegarLoopResult]: At program point L21-6(lines 21 26) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= (_ +zero 11 53) ULTIMATE.start_fmin_double_~x) (= ULTIMATE.start___fpclassify_double_~x .cse0) (= ULTIMATE.start_fmin_double_~y .cse0))) [2019-12-07 20:46:17,415 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-12-07 20:46:17,415 INFO L246 CegarLoopResult]: For program point L46(lines 46 47) no Hoare annotation was computed. [2019-12-07 20:46:17,415 INFO L246 CegarLoopResult]: For program point L21-7(lines 18 43) no Hoare annotation was computed. [2019-12-07 20:46:17,415 INFO L246 CegarLoopResult]: For program point L79-2(lines 79 82) no Hoare annotation was computed. [2019-12-07 20:46:17,415 INFO L246 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-12-07 20:46:17,415 INFO L246 CegarLoopResult]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2019-12-07 20:46:17,416 INFO L242 CegarLoopResult]: At program point L63(lines 54 64) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start_fmin_double_#res|) (exists ((v_skolemized_v_prenex_4_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_4_3) ((_ extract 62 52) v_skolemized_v_prenex_4_3) ((_ extract 51 0) v_skolemized_v_prenex_4_3)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___fpclassify_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_4_3)))) (= (_ +zero 11 53) ULTIMATE.start_fmin_double_~x) (= ULTIMATE.start_main_~res~0 .cse0) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_8|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) (fp.neg (_ +zero 11 53))))) (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32))) (= ULTIMATE.start___fpclassify_double_~x .cse0) |ULTIMATE.start_main_#t~short11| (= ULTIMATE.start___signbit_double_~x .cse0) (= ULTIMATE.start_fmin_double_~y .cse0))) [2019-12-07 20:46:17,416 INFO L246 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2019-12-07 20:46:17,416 INFO L246 CegarLoopResult]: For program point L31(lines 31 42) no Hoare annotation was computed. [2019-12-07 20:46:17,416 INFO L246 CegarLoopResult]: For program point L31-1(lines 31 42) no Hoare annotation was computed. [2019-12-07 20:46:17,416 INFO L246 CegarLoopResult]: For program point L48(lines 48 49) no Hoare annotation was computed. [2019-12-07 20:46:17,416 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:46:17,416 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2019-12-07 20:46:17,416 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2019-12-07 20:46:17,416 INFO L242 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start_fmin_double_#res|) (exists ((v_skolemized_v_prenex_4_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_4_3) ((_ extract 62 52) v_skolemized_v_prenex_4_3) ((_ extract 51 0) v_skolemized_v_prenex_4_3)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___fpclassify_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_4_3)))) (= (_ +zero 11 53) ULTIMATE.start_fmin_double_~x) (= ULTIMATE.start_main_~res~0 .cse0) (= ULTIMATE.start___fpclassify_double_~x .cse0) |ULTIMATE.start_main_#t~short11| (= ULTIMATE.start___signbit_double_~x .cse0) (= ULTIMATE.start_fmin_double_~y .cse0))) [2019-12-07 20:46:17,416 INFO L246 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2019-12-07 20:46:17,417 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:46:17,417 INFO L242 CegarLoopResult]: At program point L42(lines 18 43) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|) ULTIMATE.start___fpclassify_double_~msw~0))) (= (_ +zero 11 53) ULTIMATE.start_fmin_double_~x) (not (= (_ bv0 32) |ULTIMATE.start___fpclassify_double_#res|)) (= ULTIMATE.start_fmin_double_~y (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___fpclassify_double_~x (_ +zero 11 53))) [2019-12-07 20:46:17,417 INFO L242 CegarLoopResult]: At program point L42-1(lines 18 43) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (exists ((v_skolemized_v_prenex_4_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_4_3) ((_ extract 62 52) v_skolemized_v_prenex_4_3) ((_ extract 51 0) v_skolemized_v_prenex_4_3)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___fpclassify_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_4_3)))) (= (_ +zero 11 53) ULTIMATE.start_fmin_double_~x) (not (= (_ bv0 32) |ULTIMATE.start___fpclassify_double_#res|)) (= ULTIMATE.start___fpclassify_double_~x .cse0) (= ULTIMATE.start_fmin_double_~y .cse0))) [2019-12-07 20:46:17,417 INFO L246 CegarLoopResult]: For program point L34(lines 34 42) no Hoare annotation was computed. [2019-12-07 20:46:17,417 INFO L246 CegarLoopResult]: For program point L34-1(lines 34 42) no Hoare annotation was computed. [2019-12-07 20:46:17,417 INFO L249 CegarLoopResult]: At program point L84(lines 66 85) the Hoare annotation is: true [2019-12-07 20:46:17,417 INFO L246 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2019-12-07 20:46:17,417 INFO L246 CegarLoopResult]: For program point L51-2(line 51) no Hoare annotation was computed. [2019-12-07 20:46:17,417 INFO L242 CegarLoopResult]: At program point L51-3(lines 45 52) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start_fmin_double_#res|) (exists ((v_skolemized_v_prenex_4_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_4_3) ((_ extract 62 52) v_skolemized_v_prenex_4_3) ((_ extract 51 0) v_skolemized_v_prenex_4_3)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___fpclassify_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_4_3)))) (= (_ +zero 11 53) ULTIMATE.start_fmin_double_~x) (= ULTIMATE.start___fpclassify_double_~x .cse0) (= ULTIMATE.start_fmin_double_~y .cse0))) [2019-12-07 20:46:17,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,431 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:46:17 BoogieIcfgContainer [2019-12-07 20:46:17,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:46:17,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:46:17,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:46:17,448 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:46:17,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:46:13" (3/4) ... [2019-12-07 20:46:17,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:46:17,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-12-07 20:46:17,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 20:46:17,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:46:17,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~Pluszero~LONGDOUBLE() && v_skolemized_q#valueAsBitvector_7[63:32] == msw) && ~Pluszero~LONGDOUBLE() == x) && !(0bv32 == \result)) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() [2019-12-07 20:46:17,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && (\exists v_skolemized_v_prenex_4_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_v_prenex_4_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-12-07 20:46:17,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && (\exists v_skolemized_v_prenex_4_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_v_prenex_4_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-12-07 20:46:17,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && (\exists v_skolemized_v_prenex_4_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_v_prenex_4_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_8 : bv64 :: msw == v_skolemized_q#valueAsBitvector_8[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_8[63:63], v_skolemized_q#valueAsBitvector_8[62:52], v_skolemized_q#valueAsBitvector_8[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-12-07 20:46:17,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_4_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_v_prenex_4_3[63:32]) && ~Pluszero~LONGDOUBLE() == x) && !(0bv32 == \result)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-12-07 20:46:17,498 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d9fb15f9-0204-4d27-8e08-f204815c4b47/bin/utaipan/witness.graphml [2019-12-07 20:46:17,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:46:17,500 INFO L168 Benchmark]: Toolchain (without parser) took 5047.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -228.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:46:17,500 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 20:46:17,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 934.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:17,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:17,500 INFO L168 Benchmark]: Boogie Preprocessor took 23.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:46:17,501 INFO L168 Benchmark]: RCFGBuilder took 294.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:17,501 INFO L168 Benchmark]: TraceAbstraction took 4433.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.1 MB). Peak memory consumption was 308.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:17,501 INFO L168 Benchmark]: Witness Printer took 50.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:17,502 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 174.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 934.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 294.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4433.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.1 MB). Peak memory consumption was 308.0 MB. Max. memory is 11.5 GB. * Witness Printer took 50.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant [2019-12-07 20:46:17,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2019-12-07 20:46:17,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] Derived loop invariant: ((((((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && (\exists v_skolemized_v_prenex_4_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_v_prenex_4_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_8 : bv64 :: msw == v_skolemized_q#valueAsBitvector_8[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_8[63:63], v_skolemized_q#valueAsBitvector_8[62:52], v_skolemized_q#valueAsBitvector_8[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (~Pluszero~LONGDOUBLE() == x && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 18]: Loop Invariant [2019-12-07 20:46:17,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 20:46:17,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~Pluszero~LONGDOUBLE() && v_skolemized_q#valueAsBitvector_7[63:32] == msw) && ~Pluszero~LONGDOUBLE() == x) && !(0bv32 == \result)) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 45]: Loop Invariant [2019-12-07 20:46:17,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] Derived loop invariant: (((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && (\exists v_skolemized_v_prenex_4_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_v_prenex_4_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 57]: Loop Invariant [2019-12-07 20:46:17,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] Derived loop invariant: ((((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && (\exists v_skolemized_v_prenex_4_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_v_prenex_4_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (~Pluszero~LONGDOUBLE() == x && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 18]: Loop Invariant [2019-12-07 20:46:17,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-12-07 20:46:17,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_4_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_v_prenex_4_3[63:32]) && ~Pluszero~LONGDOUBLE() == x) && !(0bv32 == \result)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 252 SDtfs, 332 SDslu, 546 SDs, 0 SdLazy, 173 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 196 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 8 MinimizatonAttempts, 61 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 16 NumberOfFragments, 221 HoareAnnotationTreeSize, 8 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 240 ConstructedInterpolants, 32 QuantifiedInterpolants, 21300 SizeOfPredicates, 38 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 proved your program to be correct! Received shutdown request...