./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double.c --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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:25,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:25,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:25,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:25,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:25,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:25,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:25,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:25,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:25,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:25,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:25,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:25,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:25,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:25,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:25,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:25,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:25,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:25,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:25,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:25,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:25,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:25,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:25,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:25,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:25,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:25,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:25,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:25,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:25,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:25,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:25,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:25,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:25,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:25,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:25,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:25,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:25,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:25,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:25,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:25,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:25,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:38:25,353 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:25,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:25,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:25,355 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:25,355 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:25,355 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:25,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:38:25,356 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:25,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:25,356 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:38:25,357 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:38:25,357 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:25,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:38:25,358 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:38:25,358 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:38:25,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:25,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:38:25,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:38:25,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:38:25,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:25,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:38:25,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:25,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:38:25,361 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:25,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:38:25,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:38:25,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:25,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:38:25,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:25,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:25,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:25,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:25,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:25,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:38:25,365 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:38:25,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:38:25,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:38:25,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:25,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:25,366 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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2021-11-07 01:38:25,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:25,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:25,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:25,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:25,816 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:25,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-benchs/Rump_double.c [2021-11-07 01:38:25,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data/e62a0e405/c1b2f5634d934a878ff879c27469555a/FLAG935aa957d [2021-11-07 01:38:26,595 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:26,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/sv-benchmarks/c/float-benchs/Rump_double.c [2021-11-07 01:38:26,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data/e62a0e405/c1b2f5634d934a878ff879c27469555a/FLAG935aa957d [2021-11-07 01:38:26,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data/e62a0e405/c1b2f5634d934a878ff879c27469555a [2021-11-07 01:38:26,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:26,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:26,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:26,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:26,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:26,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:26" (1/1) ... [2021-11-07 01:38:26,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14628217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:26, skipping insertion in model container [2021-11-07 01:38:26,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:26" (1/1) ... [2021-11-07 01:38:27,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:27,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:27,258 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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-11-07 01:38:27,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:27,312 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:38:27,326 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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-11-07 01:38:27,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:27,350 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:38:27,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27 WrapperNode [2021-11-07 01:38:27,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:27,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:27,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:38:27,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:38:27,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:27,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:38:27,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:38:27,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:38:27,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:38:27,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:38:27,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:38:27,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:38:27,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (1/1) ... [2021-11-07 01:38:27,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:27,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:38:27,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:38:27,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:38:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:38:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:38:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:38:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:38:27,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:38:27,770 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 01:38:27,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:27 BoogieIcfgContainer [2021-11-07 01:38:27,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:38:27,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:38:27,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:38:27,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:38:27,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:38:26" (1/3) ... [2021-11-07 01:38:27,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b1597f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:27, skipping insertion in model container [2021-11-07 01:38:27,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:27" (2/3) ... [2021-11-07 01:38:27,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b1597f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:27, skipping insertion in model container [2021-11-07 01:38:27,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:27" (3/3) ... [2021-11-07 01:38:27,783 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2021-11-07 01:38:27,789 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:38:27,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:38:27,848 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:38:27,856 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 01:38:27,856 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:38:27,872 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 01:38:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:38:27,878 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:27,879 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:38:27,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:27,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:27,886 INFO L85 PathProgramCache]: Analyzing trace with hash 47251, now seen corresponding path program 1 times [2021-11-07 01:38:27,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:38:27,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818900089] [2021-11-07 01:38:27,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:27,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:38:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:38:28,052 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:38:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:38:28,133 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:38:28,136 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:38:28,138 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:38:28,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:38:28,144 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 01:38:28,149 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:38:28,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:38:28 BoogieIcfgContainer [2021-11-07 01:38:28,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:38:28,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:38:28,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:38:28,177 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:38:28,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:27" (3/4) ... [2021-11-07 01:38:28,181 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:38:28,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:38:28,186 INFO L168 Benchmark]: Toolchain (without parser) took 1205.50 ms. Allocated memory is still 115.3 MB. Free memory was 79.0 MB in the beginning and 66.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:28,187 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 115.3 MB. Free memory is still 95.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:28,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.64 ms. Allocated memory is still 115.3 MB. Free memory was 78.8 MB in the beginning and 92.4 MB in the end (delta: -13.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:28,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.29 ms. Allocated memory is still 115.3 MB. Free memory was 92.4 MB in the beginning and 90.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:28,192 INFO L168 Benchmark]: Boogie Preprocessor took 42.30 ms. Allocated memory is still 115.3 MB. Free memory was 90.8 MB in the beginning and 89.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:28,194 INFO L168 Benchmark]: RCFGBuilder took 332.02 ms. Allocated memory is still 115.3 MB. Free memory was 89.8 MB in the beginning and 80.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:28,195 INFO L168 Benchmark]: TraceAbstraction took 397.22 ms. Allocated memory is still 115.3 MB. Free memory was 79.6 MB in the beginning and 67.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:28,203 INFO L168 Benchmark]: Witness Printer took 6.46 ms. Allocated memory is still 115.3 MB. Free memory was 67.0 MB in the beginning and 66.8 MB in the end (delta: 273.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:28,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 115.3 MB. Free memory is still 95.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 367.64 ms. Allocated memory is still 115.3 MB. Free memory was 78.8 MB in the beginning and 92.4 MB in the end (delta: -13.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.29 ms. Allocated memory is still 115.3 MB. Free memory was 92.4 MB in the beginning and 90.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.30 ms. Allocated memory is still 115.3 MB. Free memory was 90.8 MB in the beginning and 89.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 332.02 ms. Allocated memory is still 115.3 MB. Free memory was 89.8 MB in the beginning and 80.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 397.22 ms. Allocated memory is still 115.3 MB. Free memory was 79.6 MB in the beginning and 67.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.46 ms. Allocated memory is still 115.3 MB. Free memory was 67.0 MB in the beginning and 66.8 MB in the end (delta: 273.4 kB). There was no memory consumed. 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: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x,y,r; [L11] x = 77617. [L12] y = 33096. [L13] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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 01:38:28,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:30,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:30,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:30,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:30,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:30,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:30,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:30,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:30,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:30,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:30,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:30,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:30,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:30,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:30,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:30,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:30,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:30,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:30,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:30,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:31,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:31,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:31,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:31,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:31,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:31,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:31,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:31,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:31,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:31,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:31,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:31,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:31,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:31,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:31,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:31,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:31,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:31,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:31,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:31,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:31,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:31,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:38:31,095 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:31,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:31,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:31,097 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:31,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:31,097 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:31,098 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:31,098 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:31,098 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:31,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:31,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:38:31,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:38:31,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:31,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:38:31,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:31,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:38:31,103 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:31,103 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:38:31,103 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:38:31,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:38:31,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:38:31,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:31,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:38:31,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:31,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:38:31,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:31,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:31,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:31,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:31,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:38:31,106 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:38:31,107 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:31,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:38:31,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:31,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:31,108 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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2021-11-07 01:38:31,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:31,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:31,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:31,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:31,530 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:31,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-benchs/Rump_double.c [2021-11-07 01:38:31,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data/4a46f83f5/f993fc230de34a6cb9efea82812ed565/FLAG94467262e [2021-11-07 01:38:32,209 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:32,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/sv-benchmarks/c/float-benchs/Rump_double.c [2021-11-07 01:38:32,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data/4a46f83f5/f993fc230de34a6cb9efea82812ed565/FLAG94467262e [2021-11-07 01:38:32,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/data/4a46f83f5/f993fc230de34a6cb9efea82812ed565 [2021-11-07 01:38:32,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:32,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:32,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:32,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:32,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:32,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124e84a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32, skipping insertion in model container [2021-11-07 01:38:32,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:32,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:32,766 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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-11-07 01:38:32,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:32,799 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:38:32,838 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_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-11-07 01:38:32,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:32,895 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:38:32,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32 WrapperNode [2021-11-07 01:38:32,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:32,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:32,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:38:32,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:38:32,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:32,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:38:32,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:38:32,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:38:32,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:32,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:33,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:38:33,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:38:33,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:38:33,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:38:33,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (1/1) ... [2021-11-07 01:38:33,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:33,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:38:33,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:38:33,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:38:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:38:33,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:38:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:38:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:38:39,133 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:38:39,134 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 01:38:39,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:39 BoogieIcfgContainer [2021-11-07 01:38:39,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:38:39,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:38:39,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:38:39,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:38:39,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:38:32" (1/3) ... [2021-11-07 01:38:39,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27279a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:39, skipping insertion in model container [2021-11-07 01:38:39,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:32" (2/3) ... [2021-11-07 01:38:39,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27279a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:39, skipping insertion in model container [2021-11-07 01:38:39,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:39" (3/3) ... [2021-11-07 01:38:39,148 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2021-11-07 01:38:39,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:38:39,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:38:39,213 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:38:39,221 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 01:38:39,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:38:39,236 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) [2021-11-07 01:38:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:38:39,241 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:39,242 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:38:39,243 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:39,249 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-11-07 01:38:39,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:39,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244191943] [2021-11-07 01:38:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:39,265 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:39,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:39,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:39,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:38:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:47,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:38:47,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:47,885 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 01:38:47,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:54,551 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) is different from false [2021-11-07 01:38:56,671 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) is different from true [2021-11-07 01:38:56,672 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 01:38:56,673 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:56,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244191943] [2021-11-07 01:38:56,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244191943] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:56,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:56,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 01:38:56,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411867791] [2021-11-07 01:38:56,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:38:56,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:56,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:38:56,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2021-11-07 01:38:56,701 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 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 01:38:58,881 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-07 01:38:58,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:58,952 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-11-07 01:38:58,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:38:58,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 [2021-11-07 01:38:58,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:58,959 INFO L225 Difference]: With dead ends: 13 [2021-11-07 01:38:58,960 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:38:58,962 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2021-11-07 01:38:58,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:38:58,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:38:58,980 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) [2021-11-07 01:38:58,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:38:58,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-11-07 01:38:58,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:58,982 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:38:58,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 01:38:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:38:58,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:38:58,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:38:59,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:38:59,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:59,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:38:59,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:59,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:59,325 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:38:59,325 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:38:59,325 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:38:59,326 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:38:59,326 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-11-07 01:38:59,326 INFO L853 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-11-07 01:38:59,327 INFO L857 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-11-07 01:38:59,327 INFO L857 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-11-07 01:38:59,327 INFO L853 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-11-07 01:38:59,331 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 01:38:59,332 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:38:59,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:38:59 BoogieIcfgContainer [2021-11-07 01:38:59,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:38:59,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:38:59,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:38:59,353 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:38:59,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:39" (3/4) ... [2021-11-07 01:38:59,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:38:59,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 01:38:59,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 01:38:59,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:38:59,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:38:59,400 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:38:59,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:38:59,402 INFO L168 Benchmark]: Toolchain (without parser) took 26789.36 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.7 MB in the beginning and 37.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:59,403 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:59,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.62 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.5 MB in the beginning and 58.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:59,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.73 ms. Allocated memory is still 75.5 MB. Free memory was 58.7 MB in the beginning and 57.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:59,405 INFO L168 Benchmark]: Boogie Preprocessor took 43.77 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 55.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:59,406 INFO L168 Benchmark]: RCFGBuilder took 6134.55 ms. Allocated memory is still 75.5 MB. Free memory was 55.9 MB in the beginning and 46.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:59,407 INFO L168 Benchmark]: TraceAbstraction took 20206.98 ms. Allocated memory is still 75.5 MB. Free memory was 46.1 MB in the beginning and 39.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:59,407 INFO L168 Benchmark]: Witness Printer took 47.73 ms. Allocated memory is still 75.5 MB. Free memory was 39.5 MB in the beginning and 37.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:59,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 280.62 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.5 MB in the beginning and 58.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.73 ms. Allocated memory is still 75.5 MB. Free memory was 58.7 MB in the beginning and 57.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.77 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 55.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 6134.55 ms. Allocated memory is still 75.5 MB. Free memory was 55.9 MB in the beginning and 46.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20206.98 ms. Allocated memory is still 75.5 MB. Free memory was 46.1 MB in the beginning and 39.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Witness Printer took 47.73 ms. Allocated memory is still 75.5 MB. Free memory was 39.5 MB in the beginning and 37.2 MB in the end (delta: 2.2 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 - 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: 20.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 7.3s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 5 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 7 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 - 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! [2021-11-07 01:38:59,651 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-07 01:38:59,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ff7e2e-33c8-4c56-b89f-46efcbd872f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE