./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i --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_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/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 2602ec85874add80e06b2692c2aa37caac725410 .......................................................................................................................................................................................................................................... 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_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/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 2602ec85874add80e06b2692c2aa37caac725410 .......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:02:29,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:02:29,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:02:29,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:02:29,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:02:29,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:02:29,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:02:29,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:02:29,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:02:29,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:02:29,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:02:29,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:02:29,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:02:29,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:02:29,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:02:29,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:02:29,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:02:29,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:02:29,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:02:29,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:02:29,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:02:29,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:02:29,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:02:29,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:02:29,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:02:29,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:02:29,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:02:29,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:02:29,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:02:29,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:02:29,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:02:29,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:02:29,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:02:29,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:02:29,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:02:29,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:02:29,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:02:29,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:02:29,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:02:29,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:02:29,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:02:29,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:02:29,726 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:02:29,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:02:29,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:02:29,727 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:02:29,727 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:02:29,727 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:02:29,728 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:02:29,728 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:02:29,728 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:02:29,728 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:02:29,728 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:02:29,728 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:02:29,729 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:02:29,729 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:02:29,729 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:02:29,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:02:29,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:02:29,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:02:29,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:02:29,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:02:29,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:02:29,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:02:29,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:02:29,731 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:02:29,731 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:02:29,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:02:29,731 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:02:29,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:02:29,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:02:29,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:02:29,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:02:29,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:02:29,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:02:29,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:02:29,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:02:29,733 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:02:29,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:02:29,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:02:29,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:02:29,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:02:29,734 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_db0b00c5-bd71-44e5-9938-9e568f928709/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 -> 2602ec85874add80e06b2692c2aa37caac725410 [2019-12-07 20:02:29,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:02:29,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:02:29,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:02:29,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:02:29,861 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:02:29,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2019-12-07 20:02:29,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data/cede86689/10aeeb6461a240d6bb180c0b55a9310f/FLAG1aa2c7fee [2019-12-07 20:02:30,218 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:02:30,219 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2019-12-07 20:02:30,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data/cede86689/10aeeb6461a240d6bb180c0b55a9310f/FLAG1aa2c7fee [2019-12-07 20:02:30,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data/cede86689/10aeeb6461a240d6bb180c0b55a9310f [2019-12-07 20:02:30,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:02:30,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:02:30,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:02:30,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:02:30,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:02:30,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec38a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30, skipping insertion in model container [2019-12-07 20:02:30,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:02:30,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:02:30,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:02:30,392 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:02:30,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:02:30,413 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:02:30,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30 WrapperNode [2019-12-07 20:02:30,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:02:30,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:02:30,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:02:30,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:02:30,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:02:30,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:02:30,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:02:30,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:02:30,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... [2019-12-07 20:02:30,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:02:30,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:02:30,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:02:30,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:02:30,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/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 20:02:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:02:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:02:30,633 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:02:30,634 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 20:02:30,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:02:30 BoogieIcfgContainer [2019-12-07 20:02:30,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:02:30,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:02:30,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:02:30,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:02:30,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:02:30" (1/3) ... [2019-12-07 20:02:30,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9198b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:02:30, skipping insertion in model container [2019-12-07 20:02:30,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:30" (2/3) ... [2019-12-07 20:02:30,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9198b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:02:30, skipping insertion in model container [2019-12-07 20:02:30,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:02:30" (3/3) ... [2019-12-07 20:02:30,639 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_3_8.i [2019-12-07 20:02:30,646 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:02:30,650 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:02:30,657 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:02:30,671 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:02:30,671 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:02:30,672 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:02:30,672 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:02:30,672 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:02:30,672 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:02:30,672 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:02:30,672 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:02:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-12-07 20:02:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 20:02:30,685 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:02:30,687 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 20:02:30,687 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:02:30,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:02:30,691 INFO L82 PathProgramCache]: Analyzing trace with hash 62017, now seen corresponding path program 1 times [2019-12-07 20:02:30,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:02:30,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208223825] [2019-12-07 20:02:30,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:02:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:02:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:02:30,768 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:02:30,769 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:02:30,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:02:30 BoogieIcfgContainer [2019-12-07 20:02:30,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:02:30,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:02:30,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:02:30,780 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:02:30,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:02:30" (3/4) ... [2019-12-07 20:02:30,783 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:02:30,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:02:30,785 INFO L168 Benchmark]: Toolchain (without parser) took 550.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:02:30,785 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:02:30,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:02:30,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.21 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 20:02:30,787 INFO L168 Benchmark]: Boogie Preprocessor took 17.00 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 20:02:30,787 INFO L168 Benchmark]: RCFGBuilder took 178.07 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:02:30,787 INFO L168 Benchmark]: TraceAbstraction took 144.63 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:02:30,788 INFO L168 Benchmark]: Witness Printer took 3.14 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 20:02:30,790 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 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.21 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 17.00 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 178.07 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 144.63 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 6. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L21] x = x - f(x)/fp(x) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 20:02:32,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:02:32,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:02:32,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:02:32,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:02:32,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:02:32,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:02:32,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:02:32,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:02:32,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:02:32,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:02:32,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:02:32,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:02:32,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:02:32,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:02:32,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:02:32,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:02:32,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:02:32,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:02:32,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:02:32,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:02:32,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:02:32,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:02:32,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:02:32,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:02:32,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:02:32,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:02:32,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:02:32,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:02:32,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:02:32,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:02:32,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:02:32,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:02:32,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:02:32,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:02:32,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:02:32,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:02:32,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:02:32,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:02:32,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:02:32,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:02:32,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:02:32,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:02:32,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:02:32,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:02:32,212 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:02:32,212 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:02:32,212 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:02:32,213 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:02:32,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:02:32,213 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:02:32,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:02:32,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:02:32,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:02:32,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:02:32,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:02:32,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:02:32,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:02:32,215 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:02:32,215 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:02:32,215 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:02:32,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:02:32,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:02:32,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:02:32,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:02:32,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:02:32,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:02:32,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:02:32,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:02:32,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:02:32,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:02:32,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:02:32,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:02:32,218 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:02:32,218 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:02:32,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:02:32,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:02:32,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:02:32,219 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_db0b00c5-bd71-44e5-9938-9e568f928709/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 -> 2602ec85874add80e06b2692c2aa37caac725410 [2019-12-07 20:02:32,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:02:32,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:02:32,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:02:32,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:02:32,394 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:02:32,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2019-12-07 20:02:32,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data/40858a8ee/ad37f52635854b5790f0b801fcfb9ac8/FLAGa5e574226 [2019-12-07 20:02:32,751 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:02:32,751 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2019-12-07 20:02:32,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data/40858a8ee/ad37f52635854b5790f0b801fcfb9ac8/FLAGa5e574226 [2019-12-07 20:02:32,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/data/40858a8ee/ad37f52635854b5790f0b801fcfb9ac8 [2019-12-07 20:02:32,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:02:32,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:02:32,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:02:32,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:02:32,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:02:32,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:32,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415fd40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32, skipping insertion in model container [2019-12-07 20:02:32,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:32,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:02:32,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:02:32,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:02:32,907 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:02:32,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:02:32,933 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:02:32,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32 WrapperNode [2019-12-07 20:02:32,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:02:32,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:02:32,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:02:32,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:02:32,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:32,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:32,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:02:32,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:02:32,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:02:32,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:02:33,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:33,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:33,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:33,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:33,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:33,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:33,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... [2019-12-07 20:02:33,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:02:33,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:02:33,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:02:33,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:02:33,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/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 20:02:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:02:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:02:50,339 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:02:50,339 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 20:02:50,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:02:50 BoogieIcfgContainer [2019-12-07 20:02:50,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:02:50,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:02:50,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:02:50,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:02:50,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:02:32" (1/3) ... [2019-12-07 20:02:50,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b6a065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:02:50, skipping insertion in model container [2019-12-07 20:02:50,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:02:32" (2/3) ... [2019-12-07 20:02:50,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b6a065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:02:50, skipping insertion in model container [2019-12-07 20:02:50,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:02:50" (3/3) ... [2019-12-07 20:02:50,345 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_3_8.i [2019-12-07 20:02:50,351 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:02:50,355 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:02:50,362 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:02:50,377 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:02:50,377 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:02:50,377 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:02:50,377 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:02:50,377 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:02:50,377 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:02:50,377 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:02:50,378 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:02:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-12-07 20:02:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:02:50,390 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:02:50,390 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:02:50,391 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:02:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:02:50,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1466891542, now seen corresponding path program 1 times [2019-12-07 20:02:50,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:02:50,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868657488] [2019-12-07 20:02:50,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/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 20:02:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:03:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:03:36,585 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:03:36,585 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:03:36,786 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:03:36,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:03:36 BoogieIcfgContainer [2019-12-07 20:03:36,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:03:36,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:03:36,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:03:36,810 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:03:36,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:02:50" (3/4) ... [2019-12-07 20:03:36,811 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 20:03:36,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_db0b00c5-bd71-44e5-9938-9e568f928709/bin/utaipan/witness.graphml [2019-12-07 20:03:36,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:03:36,841 INFO L168 Benchmark]: Toolchain (without parser) took 64074.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -116.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:03:36,841 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 20:03:36,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.44 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:03:36,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:03:36,843 INFO L168 Benchmark]: Boogie Preprocessor took 18.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:03:36,843 INFO L168 Benchmark]: RCFGBuilder took 17328.07 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:03:36,843 INFO L168 Benchmark]: TraceAbstraction took 46468.63 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:03:36,844 INFO L168 Benchmark]: Witness Printer took 30.26 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 20:03:36,846 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 166.44 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 17328.07 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 46468.63 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 30.26 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L21] x = x - f(x)/fp(x) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Result: UNSAFE, OverallTime: 46.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 incorrect! Received shutdown request...