./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8b19beffe54ff107b22c50c10234803c2acdb2c3c7e9510a6cfde8703be3d4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:52:57,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:52:57,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:52:57,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:52:57,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:52:57,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:52:57,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:52:57,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:52:57,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:52:57,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:52:57,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:52:57,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:52:57,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:52:57,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:52:57,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:52:57,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:52:57,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:52:57,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:52:57,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:52:57,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:52:57,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:52:57,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:52:57,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:52:57,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:52:57,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:52:57,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:52:57,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:52:57,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:52:57,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:52:57,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:52:57,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:52:57,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:52:57,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:52:57,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:52:57,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:52:57,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:52:57,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:52:57,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:52:57,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:52:57,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:52:57,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:52:57,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:52:57,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:52:57,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:52:57,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:52:57,186 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:52:57,186 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:52:57,186 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:52:57,186 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:52:57,186 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:52:57,187 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:52:57,187 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:52:57,187 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:52:57,187 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:52:57,187 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:52:57,188 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:52:57,188 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:52:57,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:52:57,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:52:57,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:52:57,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:52:57,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:52:57,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:52:57,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:52:57,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:52:57,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:52:57,192 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:52:57,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:52:57,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:52:57,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:52:57,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:52:57,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:52:57,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:52:57,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:52:57,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:52:57,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:52:57,194 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:52:57,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:52:57,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:52:57,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:52:57,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:52:57,195 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b19beffe54ff107b22c50c10234803c2acdb2c3c7e9510a6cfde8703be3d4f [2021-11-07 00:52:57,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:52:57,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:52:57,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:52:57,532 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:52:57,533 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:52:57,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2021-11-07 00:52:57,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data/a1924e811/d2769cea776d49758a89bc74177cb0ba/FLAG086e014c4 [2021-11-07 00:52:58,080 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:52:58,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2021-11-07 00:52:58,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data/a1924e811/d2769cea776d49758a89bc74177cb0ba/FLAG086e014c4 [2021-11-07 00:52:58,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data/a1924e811/d2769cea776d49758a89bc74177cb0ba [2021-11-07 00:52:58,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:52:58,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:52:58,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:52:58,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:52:58,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:52:58,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635422f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58, skipping insertion in model container [2021-11-07 00:52:58,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:52:58,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:52:58,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1266,1279] [2021-11-07 00:52:58,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:52:58,725 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:52:58,760 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1266,1279] [2021-11-07 00:52:58,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:52:58,777 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:52:58,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58 WrapperNode [2021-11-07 00:52:58,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:52:58,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:52:58,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:52:58,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:52:58,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:52:58,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:52:58,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:52:58,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:52:58,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:52:58,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:52:58,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:52:58,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:52:58,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (1/1) ... [2021-11-07 00:52:58,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:52:58,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:52:58,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:52:58,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:52:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:52:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:52:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:52:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:52:59,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:52:59,301 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-07 00:52:59,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:52:59 BoogieIcfgContainer [2021-11-07 00:52:59,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:52:59,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:52:59,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:52:59,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:52:59,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:52:58" (1/3) ... [2021-11-07 00:52:59,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131a26cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:52:59, skipping insertion in model container [2021-11-07 00:52:59,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:58" (2/3) ... [2021-11-07 00:52:59,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131a26cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:52:59, skipping insertion in model container [2021-11-07 00:52:59,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:52:59" (3/3) ... [2021-11-07 00:52:59,312 INFO L111 eAbstractionObserver]: Analyzing ICFG newton_3_8.i [2021-11-07 00:52:59,318 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:52:59,318 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 00:52:59,364 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:52:59,371 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:52:59,371 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 00:52:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:52:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 00:52:59,396 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:52:59,397 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 00:52:59,397 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:52:59,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:52:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash 73805, now seen corresponding path program 1 times [2021-11-07 00:52:59,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:52:59,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573153997] [2021-11-07 00:52:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:52:59,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:52:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 00:52:59,520 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 00:52:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 00:52:59,559 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 00:52:59,561 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 00:52:59,562 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:52:59,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:52:59,568 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 00:52:59,570 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:52:59,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:52:59 BoogieIcfgContainer [2021-11-07 00:52:59,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:52:59,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:52:59,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:52:59,596 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:52:59,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:52:59" (3/4) ... [2021-11-07 00:52:59,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 00:52:59,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:52:59,603 INFO L168 Benchmark]: Toolchain (without parser) took 1152.21 ms. Allocated memory is still 96.5 MB. Free memory was 59.4 MB in the beginning and 42.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,604 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory was 75.6 MB in the beginning and 75.5 MB in the end (delta: 75.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.99 ms. Allocated memory is still 96.5 MB. Free memory was 59.2 MB in the beginning and 71.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.03 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 69.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,607 INFO L168 Benchmark]: Boogie Preprocessor took 46.33 ms. Allocated memory is still 96.5 MB. Free memory was 69.8 MB in the beginning and 68.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:52:59,608 INFO L168 Benchmark]: RCFGBuilder took 426.95 ms. Allocated memory is still 96.5 MB. Free memory was 68.5 MB in the beginning and 56.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,614 INFO L168 Benchmark]: TraceAbstraction took 286.54 ms. Allocated memory is still 96.5 MB. Free memory was 55.8 MB in the beginning and 43.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,616 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 96.5 MB. Free memory was 42.8 MB in the beginning and 42.6 MB in the end (delta: 292.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory was 75.6 MB in the beginning and 75.5 MB in the end (delta: 75.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.99 ms. Allocated memory is still 96.5 MB. Free memory was 59.2 MB in the beginning and 71.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.03 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 69.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.33 ms. Allocated memory is still 96.5 MB. Free memory was 69.8 MB in the beginning and 68.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 426.95 ms. Allocated memory is still 96.5 MB. Free memory was 68.5 MB in the beginning and 56.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 286.54 ms. Allocated memory is still 96.5 MB. Free memory was 55.8 MB in the beginning and 43.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.85 ms. Allocated memory is still 96.5 MB. Free memory was 42.8 MB in the beginning and 42.6 MB in the end (delta: 292.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 42]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryArithmeticFLOAToperation at line 20. Possible FailurePath: [L30] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L20] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L25] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L33] float x = IN - f(IN)/fp(IN); [L20] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L25] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L35] x = x - f(x)/fp(x) [L20] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L25] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L37] x = x - f(x)/fp(x) [L41] COND TRUE !(x < 0.1) [L42] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 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, ACCELERATED_INTERPOLATION: 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 [2021-11-07 00:52:59,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8b19beffe54ff107b22c50c10234803c2acdb2c3c7e9510a6cfde8703be3d4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:02,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:02,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:02,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:02,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:02,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:02,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:02,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:02,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:02,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:02,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:02,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:02,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:02,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:02,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:02,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:02,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:02,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:02,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:02,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:02,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:02,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:02,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:02,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:02,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:02,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:02,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:02,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:02,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:02,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:02,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:02,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:02,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:02,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:02,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:02,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:02,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:02,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:02,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:02,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:02,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:02,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:53:02,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:02,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:02,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:02,354 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:02,354 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:02,355 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:02,355 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:02,355 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:02,355 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:02,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:02,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:02,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:02,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:02,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:02,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:02,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:02,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:02,359 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:53:02,359 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:53:02,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:02,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:02,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:02,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:02,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:02,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:53:02,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:02,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:02,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:02,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:02,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:02,362 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:53:02,363 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:02,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:02,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:02,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:02,364 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b19beffe54ff107b22c50c10234803c2acdb2c3c7e9510a6cfde8703be3d4f [2021-11-07 00:53:02,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:02,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:02,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:02,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:02,770 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:02,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2021-11-07 00:53:02,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data/52a172fa4/13b74074ef3c4e70a88e54a20a3b6cc2/FLAG39663c057 [2021-11-07 00:53:03,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:03,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2021-11-07 00:53:03,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data/52a172fa4/13b74074ef3c4e70a88e54a20a3b6cc2/FLAG39663c057 [2021-11-07 00:53:03,773 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/data/52a172fa4/13b74074ef3c4e70a88e54a20a3b6cc2 [2021-11-07 00:53:03,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:03,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:03,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:03,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:03,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:03,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:03" (1/1) ... [2021-11-07 00:53:03,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce7c3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:03, skipping insertion in model container [2021-11-07 00:53:03,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:03" (1/1) ... [2021-11-07 00:53:03,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:03,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:03,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1266,1279] [2021-11-07 00:53:03,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:03,978 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:04,013 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1266,1279] [2021-11-07 00:53:04,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:04,051 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:04,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04 WrapperNode [2021-11-07 00:53:04,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:04,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:04,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:04,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:04,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:04,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:04,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:04,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:04,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:04,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:04,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:04,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:04,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (1/1) ... [2021-11-07 00:53:04,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:04,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:04,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:04,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:53:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:20,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:53:20,303 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-07 00:53:20,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:20 BoogieIcfgContainer [2021-11-07 00:53:20,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:53:20,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:53:20,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:53:20,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:53:20,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:03" (1/3) ... [2021-11-07 00:53:20,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c663e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:20, skipping insertion in model container [2021-11-07 00:53:20,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:04" (2/3) ... [2021-11-07 00:53:20,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c663e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:20, skipping insertion in model container [2021-11-07 00:53:20,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:20" (3/3) ... [2021-11-07 00:53:20,316 INFO L111 eAbstractionObserver]: Analyzing ICFG newton_3_8.i [2021-11-07 00:53:20,321 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:53:20,322 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 00:53:20,376 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:53:20,385 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:53:20,386 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 00:53:20,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 00:53:20,405 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:20,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:20,407 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:20,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:20,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1427287630, now seen corresponding path program 1 times [2021-11-07 00:53:20,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:20,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154804261] [2021-11-07 00:53:20,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:20,429 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:20,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:20,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:20,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:53:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:24,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:53:24,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:24,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:24,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:24,506 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:24,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154804261] [2021-11-07 00:53:24,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154804261] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:24,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:24,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:53:24,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054601208] [2021-11-07 00:53:24,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:53:24,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:24,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:53:24,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:24,534 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:24,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:24,550 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2021-11-07 00:53:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:53:24,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 00:53:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:24,560 INFO L225 Difference]: With dead ends: 31 [2021-11-07 00:53:24,561 INFO L226 Difference]: Without dead ends: 13 [2021-11-07 00:53:24,564 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-07 00:53:24,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-07 00:53:24,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2021-11-07 00:53:24,598 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2021-11-07 00:53:24,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:24,599 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2021-11-07 00:53:24,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2021-11-07 00:53:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 00:53:24,600 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:24,600 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:24,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:24,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:24,801 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:24,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:24,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1034260620, now seen corresponding path program 1 times [2021-11-07 00:53:24,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:24,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145825812] [2021-11-07 00:53:24,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:24,804 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:24,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:24,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:55:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 00:55:38,087 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 00:55:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 00:55:58,129 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 00:55:58,130 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 00:55:58,131 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:55:58,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:58,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:55:58,336 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 00:55:58,339 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:55:58,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:55:58 BoogieIcfgContainer [2021-11-07 00:55:58,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:55:58,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:55:58,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:55:58,372 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:55:58,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:20" (3/4) ... [2021-11-07 00:55:58,375 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 00:55:58,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:55:58,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:55:58,426 INFO L168 Benchmark]: Toolchain (without parser) took 174647.66 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 47.2 MB in the beginning and 50.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:58,426 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:55:58,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.27 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 50.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:58,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.86 ms. Allocated memory is still 67.1 MB. Free memory was 50.4 MB in the beginning and 48.4 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:55:58,429 INFO L168 Benchmark]: Boogie Preprocessor took 53.42 ms. Allocated memory is still 67.1 MB. Free memory was 48.4 MB in the beginning and 47.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:58,429 INFO L168 Benchmark]: RCFGBuilder took 16127.80 ms. Allocated memory is still 67.1 MB. Free memory was 47.1 MB in the beginning and 36.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:58,430 INFO L168 Benchmark]: TraceAbstraction took 158063.45 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 36.1 MB in the beginning and 52.3 MB in the end (delta: -16.2 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:58,431 INFO L168 Benchmark]: Witness Printer took 51.91 ms. Allocated memory is still 86.0 MB. Free memory was 52.3 MB in the beginning and 50.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:58,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.27 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 50.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.86 ms. Allocated memory is still 67.1 MB. Free memory was 50.4 MB in the beginning and 48.4 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.42 ms. Allocated memory is still 67.1 MB. Free memory was 48.4 MB in the beginning and 47.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 16127.80 ms. Allocated memory is still 67.1 MB. Free memory was 47.1 MB in the beginning and 36.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 158063.45 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 36.1 MB in the beginning and 52.3 MB in the end (delta: -16.2 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. * Witness Printer took 51.91 ms. Allocated memory is still 86.0 MB. Free memory was 52.3 MB in the beginning and 50.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 42]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L30] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L20] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L25] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L33] float x = IN - f(IN)/fp(IN); [L20] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L25] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L35] x = x - f(x)/fp(x) [L20] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L25] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L37] x = x - f(x)/fp(x) [L41] COND TRUE !(x < 0.1) [L42] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 157.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 136.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 48 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-07 00:55:58,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76df41b2-ad62-45dc-b853-9c6d8f2f02eb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE