./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7 --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 b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:21:34,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:21:34,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:21:34,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:21:34,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:21:34,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:21:34,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:21:34,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:21:34,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:21:34,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:21:34,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:21:34,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:21:34,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:21:34,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:21:34,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:21:34,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:21:34,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:21:34,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:21:34,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:21:34,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:21:34,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:21:34,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:21:34,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:21:34,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:21:34,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:21:34,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:21:34,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:21:34,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:21:34,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:21:34,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:21:34,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:21:34,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:21:34,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:21:34,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:21:34,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:21:34,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:21:34,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:21:34,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:21:34,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:21:34,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:21:34,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:21:34,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:21:34,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:21:34,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:21:34,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:21:34,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:21:34,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:21:34,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:21:34,583 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:21:34,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:21:34,584 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:21:34,584 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:21:34,585 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:21:34,585 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:21:34,585 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:21:34,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:21:34,586 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:21:34,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:21:34,586 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:21:34,586 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:21:34,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:21:34,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:21:34,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:21:34,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:21:34,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:21:34,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:21:34,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:21:34,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:21:34,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:21:34,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:21:34,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:21:34,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:21:34,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:21:34,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:21:34,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:21:34,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:21:34,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:21:34,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:21:34,591 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:21:34,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:21:34,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:21:34,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:21:34,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:21:34,592 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_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2021-11-25 20:21:34,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:21:34,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:21:34,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:21:34,928 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:21:34,928 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:21:34,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-benchs/Rump_float.c [2021-11-25 20:21:35,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data/ef677059c/00b530330f1f48e38f32dc2291147ff6/FLAG3b021fe0d [2021-11-25 20:21:35,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:21:35,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/sv-benchmarks/c/float-benchs/Rump_float.c [2021-11-25 20:21:35,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data/ef677059c/00b530330f1f48e38f32dc2291147ff6/FLAG3b021fe0d [2021-11-25 20:21:35,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data/ef677059c/00b530330f1f48e38f32dc2291147ff6 [2021-11-25 20:21:35,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:21:35,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:21:35,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:21:35,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:21:35,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:21:35,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:21:35" (1/1) ... [2021-11-25 20:21:35,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4fba05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:35, skipping insertion in model container [2021-11-25 20:21:35,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:21:35" (1/1) ... [2021-11-25 20:21:35,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:21:35,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:21:36,049 WARN L230 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_b32e8917-3e9c-44e3-bc15-e740a575ce03/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-11-25 20:21:36,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:21:36,073 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:21:36,085 WARN L230 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_b32e8917-3e9c-44e3-bc15-e740a575ce03/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-11-25 20:21:36,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:21:36,114 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:21:36,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36 WrapperNode [2021-11-25 20:21:36,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:21:36,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:21:36,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:21:36,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:21:36,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,151 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2021-11-25 20:21:36,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:21:36,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:21:36,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:21:36,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:21:36,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:21:36,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:21:36,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:21:36,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:21:36,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (1/1) ... [2021-11-25 20:21:36,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:21:36,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:21:36,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:21:36,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:21:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:21:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:21:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:21:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:21:36,322 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:21:36,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:21:36,395 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:21:36,409 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:21:36,410 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:21:36,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:21:36 BoogieIcfgContainer [2021-11-25 20:21:36,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:21:36,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:21:36,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:21:36,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:21:36,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:21:35" (1/3) ... [2021-11-25 20:21:36,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e77e017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:21:36, skipping insertion in model container [2021-11-25 20:21:36,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:36" (2/3) ... [2021-11-25 20:21:36,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e77e017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:21:36, skipping insertion in model container [2021-11-25 20:21:36,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:21:36" (3/3) ... [2021-11-25 20:21:36,423 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-11-25 20:21:36,429 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:21:36,429 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:21:36,484 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:21:36,491 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 [2021-11-25 20:21:36,491 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:21:36,510 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) [2021-11-25 20:21:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 20:21:36,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:36,516 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 20:21:36,516 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:21:36,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:36,522 INFO L85 PathProgramCache]: Analyzing trace with hash 47251, now seen corresponding path program 1 times [2021-11-25 20:21:36,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:36,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822368598] [2021-11-25 20:21:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:36,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:21:36,613 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 20:21:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:21:36,645 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 20:21:36,647 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 20:21:36,648 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:21:36,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:21:36,656 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 20:21:36,660 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:21:36,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:21:36 BoogieIcfgContainer [2021-11-25 20:21:36,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:21:36,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:21:36,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:21:36,684 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:21:36,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:21:36" (3/4) ... [2021-11-25 20:21:36,689 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 20:21:36,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:21:36,690 INFO L158 Benchmark]: Toolchain (without parser) took 837.93ms. Allocated memory is still 121.6MB. Free memory was 84.8MB in the beginning and 71.8MB in the end (delta: 13.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-25 20:21:36,691 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:21:36,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.60ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 96.4MB in the end (delta: -11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 20:21:36,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.84ms. Allocated memory is still 121.6MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:21:36,694 INFO L158 Benchmark]: Boogie Preprocessor took 21.48ms. Allocated memory is still 121.6MB. Free memory was 94.8MB in the beginning and 93.9MB in the end (delta: 863.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:21:36,695 INFO L158 Benchmark]: RCFGBuilder took 237.80ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 85.0MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 20:21:36,696 INFO L158 Benchmark]: TraceAbstraction took 267.89ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 72.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 20:21:36,696 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 121.6MB. Free memory was 72.4MB in the beginning and 71.8MB in the end (delta: 566.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:21:36,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.60ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 96.4MB in the end (delta: -11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.84ms. Allocated memory is still 121.6MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.48ms. Allocated memory is still 121.6MB. Free memory was 94.8MB in the beginning and 93.9MB in the end (delta: 863.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 237.80ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 85.0MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 267.89ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 72.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 121.6MB. Free memory was 72.4MB in the beginning and 71.8MB in the end (delta: 566.7kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 6]: 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 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L15] CALL __VERIFIER_assert((r >= 0)) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] reach_error() VAL [\old(cond)=0, cond=0] - 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: , 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 [2021-11-25 20:21:36,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/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_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7 --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 b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:21:39,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:21:39,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:21:39,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:21:39,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:21:39,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:21:39,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:21:39,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:21:39,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:21:39,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:21:39,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:21:39,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:21:39,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:21:39,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:21:39,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:21:39,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:21:39,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:21:39,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:21:39,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:21:39,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:21:39,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:21:39,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:21:39,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:21:39,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:21:39,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:21:39,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:21:39,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:21:39,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:21:39,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:21:39,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:21:39,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:21:39,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:21:39,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:21:39,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:21:39,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:21:39,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:21:39,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:21:39,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:21:39,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:21:39,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:21:39,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:21:39,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 20:21:39,431 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:21:39,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:21:39,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:21:39,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:21:39,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:21:39,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:21:39,433 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:21:39,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:21:39,434 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:21:39,434 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:21:39,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:21:39,435 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:21:39,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:21:39,436 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:21:39,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:21:39,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:21:39,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:21:39,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:21:39,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:21:39,437 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:21:39,438 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 20:21:39,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 20:21:39,438 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:21:39,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:21:39,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:21:39,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:21:39,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:21:39,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 20:21:39,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:21:39,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:21:39,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:21:39,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:21:39,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:21:39,441 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 20:21:39,441 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 20:21:39,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:21:39,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:21:39,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:21:39,442 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_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2021-11-25 20:21:39,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:21:39,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:21:39,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:21:39,851 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:21:39,851 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:21:39,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-benchs/Rump_float.c [2021-11-25 20:21:39,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data/f4a737f5d/2f1ed752841b4b179abcdfc3269a3e02/FLAGf6ac36bbe [2021-11-25 20:21:40,509 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:21:40,510 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/sv-benchmarks/c/float-benchs/Rump_float.c [2021-11-25 20:21:40,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data/f4a737f5d/2f1ed752841b4b179abcdfc3269a3e02/FLAGf6ac36bbe [2021-11-25 20:21:40,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/data/f4a737f5d/2f1ed752841b4b179abcdfc3269a3e02 [2021-11-25 20:21:40,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:21:40,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:21:40,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:21:40,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:21:40,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:21:40,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:21:40" (1/1) ... [2021-11-25 20:21:40,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ab98a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:40, skipping insertion in model container [2021-11-25 20:21:40,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:21:40" (1/1) ... [2021-11-25 20:21:40,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:21:40,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:21:41,018 WARN L230 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_b32e8917-3e9c-44e3-bc15-e740a575ce03/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-11-25 20:21:41,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:21:41,054 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:21:41,115 WARN L230 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_b32e8917-3e9c-44e3-bc15-e740a575ce03/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-11-25 20:21:41,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:21:41,139 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:21:41,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41 WrapperNode [2021-11-25 20:21:41,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:21:41,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:21:41,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:21:41,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:21:41,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,179 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2021-11-25 20:21:41,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:21:41,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:21:41,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:21:41,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:21:41,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:21:41,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:21:41,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:21:41,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:21:41,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (1/1) ... [2021-11-25 20:21:41,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:21:41,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:21:41,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:21:41,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:21:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:21:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:21:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:21:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 20:21:41,399 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:21:41,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:21:43,782 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:21:43,788 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:21:43,788 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:21:43,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:21:43 BoogieIcfgContainer [2021-11-25 20:21:43,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:21:43,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:21:43,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:21:43,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:21:43,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:21:40" (1/3) ... [2021-11-25 20:21:43,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f9479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:21:43, skipping insertion in model container [2021-11-25 20:21:43,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:21:41" (2/3) ... [2021-11-25 20:21:43,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f9479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:21:43, skipping insertion in model container [2021-11-25 20:21:43,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:21:43" (3/3) ... [2021-11-25 20:21:43,801 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-11-25 20:21:43,807 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:21:43,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:21:43,860 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:21:43,868 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 [2021-11-25 20:21:43,868 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:21:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-11-25 20:21:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 20:21:43,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:43,887 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 20:21:43,888 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:21:43,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:43,894 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-11-25 20:21:43,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:21:43,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205577835] [2021-11-25 20:21:43,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:43,908 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:21:43,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:21:43,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:21:43,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 20:21:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:45,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:21:45,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:21:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:21:46,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:21:46,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:21:46,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205577835] [2021-11-25 20:21:46,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205577835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:46,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:46,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:21:46,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118244951] [2021-11-25 20:21:46,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:46,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:21:46,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:21:46,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:21:46,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:21:46,058 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-25 20:21:48,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:21:49,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:49,008 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-11-25 20:21:49,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:21:49,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-11-25 20:21:49,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:49,018 INFO L225 Difference]: With dead ends: 13 [2021-11-25 20:21:49,018 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 20:21:49,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:21:49,027 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:49,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 20:21:49,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 20:21:49,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 20:21:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-25 20:21:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 20:21:49,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-11-25 20:21:49,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:49,056 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 20:21:49,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-25 20:21:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 20:21:49,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 20:21:49,062 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:21:49,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-25 20:21:49,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:21:49,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 20:21:49,342 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 20:21:49,342 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 20:21:49,343 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 20:21:49,343 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 20:21:49,343 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-11-25 20:21:49,343 INFO L854 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2021-11-25 20:21:49,344 INFO L858 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-11-25 20:21:49,344 INFO L858 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-11-25 20:21:49,344 INFO L854 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2021-11-25 20:21:49,349 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 20:21:49,350 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:21:49,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:21:49 BoogieIcfgContainer [2021-11-25 20:21:49,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:21:49,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:21:49,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:21:49,368 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:21:49,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:21:43" (3/4) ... [2021-11-25 20:21:49,372 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:21:49,384 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-25 20:21:49,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 20:21:49,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 20:21:49,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 20:21:49,419 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:21:49,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:21:49,421 INFO L158 Benchmark]: Toolchain (without parser) took 8566.07ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 29.2MB in the end (delta: 15.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-25 20:21:49,421 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 65.0MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:21:49,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.57ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 47.5MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 20:21:49,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.96ms. Allocated memory is still 65.0MB. Free memory was 47.5MB in the beginning and 45.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:21:49,423 INFO L158 Benchmark]: Boogie Preprocessor took 25.82ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 44.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:21:49,423 INFO L158 Benchmark]: RCFGBuilder took 2583.91ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 36.7MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:21:49,424 INFO L158 Benchmark]: TraceAbstraction took 5573.57ms. Allocated memory is still 65.0MB. Free memory was 36.1MB in the beginning and 31.4MB in the end (delta: 4.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-25 20:21:49,425 INFO L158 Benchmark]: Witness Printer took 52.13ms. Allocated memory is still 65.0MB. Free memory was 31.4MB in the beginning and 29.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:21:49,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 65.0MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.57ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 47.5MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.96ms. Allocated memory is still 65.0MB. Free memory was 47.5MB in the beginning and 45.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.82ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 44.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2583.91ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 36.7MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5573.57ms. Allocated memory is still 65.0MB. Free memory was 36.1MB in the beginning and 31.4MB in the end (delta: 4.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 52.13ms. Allocated memory is still 65.0MB. Free memory was 31.4MB in the beginning and 29.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 5 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-11-25 20:21:49,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32e8917-3e9c-44e3-bc15-e740a575ce03/bin/utaipan-eEHZpOm5b7/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 Result: TRUE