./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --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 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:14:43,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:14:43,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:14:43,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:14:43,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:14:43,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:14:43,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:14:43,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:14:43,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:14:43,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:14:43,243 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:14:43,244 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:14:43,244 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:14:43,244 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:14:43,244 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:14:43,244 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:14:43,244 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:14:43,244 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:14:43,245 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:14:43,245 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:14:43,245 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:14:43,245 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:14:43,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:14:43,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:14:43,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:14:43,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:14:43,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:14:43,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:14:43,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:14:43,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:14:43,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:14:43,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:14:43,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:14:43,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:14:43,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:14:43,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:14:43,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:14:43,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:14:43,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:14:43,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:14:43,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:14:43,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:14:43,248 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:14:43,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:14:43,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:14:43,249 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:14:43,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:14:43,249 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 [2024-11-14 03:14:43,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:14:43,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:14:43,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:14:43,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:14:43,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:14:43,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i Unable to find full path for "g++" [2024-11-14 03:14:45,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:14:45,788 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:14:45,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2024-11-14 03:14:45,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/data/c733aec86/e7cb2ccce0a249c6bcecdc37b55a089b/FLAG45f1f728e [2024-11-14 03:14:45,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/data/c733aec86/e7cb2ccce0a249c6bcecdc37b55a089b [2024-11-14 03:14:45,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:14:45,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:14:45,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:14:45,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:14:45,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:14:45,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:14:45" (1/1) ... [2024-11-14 03:14:45,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc5a098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:45, skipping insertion in model container [2024-11-14 03:14:45,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:14:45" (1/1) ... [2024-11-14 03:14:45,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:14:46,038 WARN L250 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_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2024-11-14 03:14:46,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:14:46,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:14:46,151 WARN L250 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_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2024-11-14 03:14:46,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:14:46,208 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:14:46,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46 WrapperNode [2024-11-14 03:14:46,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:14:46,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:14:46,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:14:46,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:14:46,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,270 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2024-11-14 03:14:46,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:14:46,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:14:46,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:14:46,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:14:46,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:14:46,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:14:46,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:14:46,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:14:46,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (1/1) ... [2024-11-14 03:14:46,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:14:46,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:14:46,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:14:46,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:14:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:14:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:14:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:14:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:14:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:14:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:14:46,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:14:46,497 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:14:46,920 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 03:14:46,920 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:14:47,318 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:14:47,318 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:14:47,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:14:47 BoogieIcfgContainer [2024-11-14 03:14:47,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:14:47,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:14:47,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:14:47,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:14:47,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:14:45" (1/3) ... [2024-11-14 03:14:47,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110a568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:14:47, skipping insertion in model container [2024-11-14 03:14:47,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:46" (2/3) ... [2024-11-14 03:14:47,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110a568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:14:47, skipping insertion in model container [2024-11-14 03:14:47,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:14:47" (3/3) ... [2024-11-14 03:14:47,334 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-76.i [2024-11-14 03:14:47,352 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:14:47,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-76.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:14:47,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:14:47,447 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60099690, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:14:47,447 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:14:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 03:14:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 03:14:47,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:47,465 INFO L215 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:47,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:14:47,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:47,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1159025221, now seen corresponding path program 1 times [2024-11-14 03:14:47,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:47,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981744984] [2024-11-14 03:14:47,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:14:48,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930603021] [2024-11-14 03:14:48,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:48,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:14:48,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:14:48,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:14:48,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:14:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:14:48,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:14:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:14:48,633 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:14:48,635 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:14:48,637 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:14:48,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:14:48,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:14:48,843 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:14:48,953 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:14:48,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:14:48 BoogieIcfgContainer [2024-11-14 03:14:48,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:14:48,965 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:14:48,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:14:48,965 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:14:48,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:14:47" (3/4) ... [2024-11-14 03:14:48,968 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:14:48,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:14:48,970 INFO L158 Benchmark]: Toolchain (without parser) took 3143.62ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 71.6MB in the end (delta: 45.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-14 03:14:48,970 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:48,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.49ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 103.0MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:14:48,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.90ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:48,971 INFO L158 Benchmark]: Boogie Preprocessor took 28.66ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 99.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:48,972 INFO L158 Benchmark]: RCFGBuilder took 1018.82ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 53.7MB in the end (delta: 45.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 03:14:48,972 INFO L158 Benchmark]: TraceAbstraction took 1636.36ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 71.6MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:48,972 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:48,974 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.49ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 103.0MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.90ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.66ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 99.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1018.82ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 53.7MB in the end (delta: 45.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1636.36ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 71.6MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 27.1kB). 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of bitwiseOr at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed char var_1_9 = -16; [L31] signed long int var_1_10 = 1; [L32] signed long int var_1_11 = 4; [L33] signed long int var_1_12 = 0; [L34] signed long int var_1_13 = -16; [L35] unsigned short int var_1_14 = 10000; [L36] unsigned short int var_1_15 = 5; [L37] unsigned short int var_1_16 = 5; [L38] unsigned short int var_1_17 = 4; [L39] unsigned char var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 8; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L99] var_1_7 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L101] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L102] var_1_9 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_9 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L104] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L105] var_1_10 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L107] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L108] var_1_12 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_12 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_12 >= -1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L110] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L111] var_1_13 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_13 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 >= -1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L113] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L114] var_1_15 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L116] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L117] var_1_16 = __VERIFIER_nondet_ushort() [L118] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L119] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L120] var_1_19 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L122] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L123] var_1_20 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L125] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=64, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-1] [L138] RET updateVariables() [L139] CALL step() [L45] COND FALSE !(! var_1_2) [L48] var_1_1 = var_1_4 [L50] COND FALSE !(var_1_5 > (var_1_3 / var_1_7)) [L55] signed long int stepLocal_0 = var_1_10; [L56] COND TRUE (var_1_6 * var_1_9) >= stepLocal_0 [L57] COND TRUE \read(var_1_2) [L58] var_1_8 = var_1_4 [L61] COND TRUE var_1_4 <= var_1_1 [L62] var_1_11 = (var_1_9 + -128) [L66] COND TRUE var_1_5 >= var_1_1 [L67] COND TRUE ((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4 [L68] var_1_14 = var_1_15 [L73] COND TRUE \read(var_1_2) [L74] COND TRUE var_1_1 == var_1_5 [L75] COND FALSE !((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) [L84] unsigned short int stepLocal_1 = var_1_16; [L85] EXPR var_1_11 | var_1_6 [L85] COND FALSE !((var_1_14 + (var_1_11 | var_1_6)) > stepLocal_1) [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) [L130-L131] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=64, var_1_11=-129, var_1_12=256, var_1_13=-1073741823, var_1_14=4, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=-64, var_1_8=2, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, var_1_10=64, var_1_11=-129, var_1_12=256, var_1_13=-1073741823, var_1_14=4, var_1_15=4, var_1_16=4, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=-64, var_1_8=2, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 2 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 [2024-11-14 03:14:49,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/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_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --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 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:14:52,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:14:52,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:14:52,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:14:52,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:14:52,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:14:52,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:14:52,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:14:52,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:14:52,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:14:52,357 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:14:52,357 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:14:52,358 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:14:52,358 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:14:52,358 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:14:52,358 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:14:52,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:14:52,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:14:52,359 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:14:52,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:14:52,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:14:52,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:14:52,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:14:52,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:14:52,360 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:14:52,360 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:14:52,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:14:52,361 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:14:52,361 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:14:52,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:14:52,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:14:52,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:14:52,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:14:52,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:14:52,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:14:52,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:14:52,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:14:52,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:14:52,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:14:52,362 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:14:52,362 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:14:52,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:14:52,363 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:14:52,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 [2024-11-14 03:14:52,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:14:52,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:14:52,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:14:52,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:14:52,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:14:52,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i Unable to find full path for "g++" [2024-11-14 03:14:55,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:14:55,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:14:55,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2024-11-14 03:14:55,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/data/cbffde4fc/deb5b6a982e0439ea81bfd933fae80a6/FLAG4284adcdd [2024-11-14 03:14:55,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/data/cbffde4fc/deb5b6a982e0439ea81bfd933fae80a6 [2024-11-14 03:14:55,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:14:55,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:14:55,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:14:55,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:14:55,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:14:55,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:55,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d85b0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55, skipping insertion in model container [2024-11-14 03:14:55,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:55,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:14:55,730 WARN L250 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_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2024-11-14 03:14:55,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:14:55,854 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:14:55,868 WARN L250 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_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2024-11-14 03:14:55,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:14:55,946 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:14:55,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55 WrapperNode [2024-11-14 03:14:55,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:14:55,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:14:55,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:14:55,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:14:55,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:55,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,000 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-14 03:14:56,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:14:56,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:14:56,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:14:56,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:14:56,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:14:56,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:14:56,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:14:56,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:14:56,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (1/1) ... [2024-11-14 03:14:56,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:14:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:14:56,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:14:56,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:14:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:14:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:14:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:14:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:14:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:14:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:14:56,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:14:56,303 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:15:02,138 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 03:15:02,139 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:15:02,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:15:02,160 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:15:02,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:15:02 BoogieIcfgContainer [2024-11-14 03:15:02,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:15:02,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:15:02,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:15:02,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:15:02,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:14:55" (1/3) ... [2024-11-14 03:15:02,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496a1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:15:02, skipping insertion in model container [2024-11-14 03:15:02,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:14:55" (2/3) ... [2024-11-14 03:15:02,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496a1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:15:02, skipping insertion in model container [2024-11-14 03:15:02,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:15:02" (3/3) ... [2024-11-14 03:15:02,174 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-76.i [2024-11-14 03:15:02,191 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:15:02,192 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-76.i that has 2 procedures, 69 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:15:02,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:15:02,292 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@493f533f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:15:02,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:15:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 03:15:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-14 03:15:02,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:15:02,313 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:15:02,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:15:02,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:15:02,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1195074249, now seen corresponding path program 1 times [2024-11-14 03:15:02,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:15:02,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065531561] [2024-11-14 03:15:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:15:02,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:15:02,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:15:02,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:15:02,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:15:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:15:03,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:15:03,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:15:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2024-11-14 03:15:03,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:15:03,577 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:15:03,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065531561] [2024-11-14 03:15:03,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065531561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:15:03,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:15:03,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:15:03,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160350280] [2024-11-14 03:15:03,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:15:03,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:15:03,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:15:03,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:15:03,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:15:03,611 INFO L87 Difference]: Start difference. First operand has 69 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 03:15:03,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:15:03,643 INFO L93 Difference]: Finished difference Result 131 states and 229 transitions. [2024-11-14 03:15:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:15:03,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 146 [2024-11-14 03:15:03,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:15:03,654 INFO L225 Difference]: With dead ends: 131 [2024-11-14 03:15:03,655 INFO L226 Difference]: Without dead ends: 65 [2024-11-14 03:15:03,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:15:03,662 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:15:03,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:15:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-14 03:15:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-14 03:15:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 03:15:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 99 transitions. [2024-11-14 03:15:03,713 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 99 transitions. Word has length 146 [2024-11-14 03:15:03,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:15:03,713 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 99 transitions. [2024-11-14 03:15:03,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 03:15:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2024-11-14 03:15:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-14 03:15:03,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:15:03,718 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:15:03,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:15:03,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:15:03,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:15:03,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:15:03,923 INFO L85 PathProgramCache]: Analyzing trace with hash -560816143, now seen corresponding path program 1 times [2024-11-14 03:15:03,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:15:03,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523224004] [2024-11-14 03:15:03,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:15:03,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:15:03,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:15:03,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:15:03,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:15:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:15:04,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 03:15:04,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:15:57,202 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (not .cse3)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse3)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= (_ bv0 8) c_~var_1_2~0)) is different from false [2024-11-14 03:15:59,269 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (not .cse3)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse3)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= (_ bv0 8) c_~var_1_2~0)) is different from true [2024-11-14 03:18:30,881 WARN L851 $PredicateComparison]: unable to prove that (and (= (bvadd (_ bv128 32) c_~var_1_11~0) ((_ sign_extend 24) c_~var_1_9~0)) (not (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (let ((.cse0 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and (= c_~var_1_5~0 c_~var_1_1~0) (not .cse0)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse0))) (fp.leq c_~var_1_4~0 c_~var_1_1~0) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= (_ bv0 8) c_~var_1_2~0)) is different from false [2024-11-14 03:18:32,974 WARN L873 $PredicateComparison]: unable to prove that (and (= (bvadd (_ bv128 32) c_~var_1_11~0) ((_ sign_extend 24) c_~var_1_9~0)) (not (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (let ((.cse0 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and (= c_~var_1_5~0 c_~var_1_1~0) (not .cse0)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse0))) (fp.leq c_~var_1_4~0 c_~var_1_1~0) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= (_ bv0 8) c_~var_1_2~0)) is different from true [2024-11-14 03:18:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-14 03:18:40,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:18:40,751 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:18:40,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523224004] [2024-11-14 03:18:40,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523224004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:18:40,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:18:40,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:18:40,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025422852] [2024-11-14 03:18:40,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:18:40,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:18:40,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:18:40,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:18:40,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=3, Unknown=4, NotChecked=6, Total=20 [2024-11-14 03:18:40,756 INFO L87 Difference]: Start difference. First operand 65 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-14 03:18:43,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:18:45,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:18:47,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:18:50,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:18:53,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:18:55,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:18:55,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:18:55,889 INFO L93 Difference]: Finished difference Result 150 states and 230 transitions. [2024-11-14 03:18:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:18:55,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 146 [2024-11-14 03:18:55,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:18:55,894 INFO L225 Difference]: With dead ends: 150 [2024-11-14 03:18:55,894 INFO L226 Difference]: Without dead ends: 88 [2024-11-14 03:18:55,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=7, Invalid=3, Unknown=4, NotChecked=6, Total=20 [2024-11-14 03:18:55,896 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 24 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 268 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:18:55,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 181 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 6 Unknown, 268 Unchecked, 15.1s Time] [2024-11-14 03:18:55,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-14 03:18:55,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 78. [2024-11-14 03:18:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 03:18:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 119 transitions. [2024-11-14 03:18:55,913 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 119 transitions. Word has length 146 [2024-11-14 03:18:55,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:18:55,915 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 119 transitions. [2024-11-14 03:18:55,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-14 03:18:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2024-11-14 03:18:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-14 03:18:55,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:18:55,918 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:18:55,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:18:56,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:18:56,119 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:18:56,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:18:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash 119242227, now seen corresponding path program 1 times [2024-11-14 03:18:56,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:18:56,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570211960] [2024-11-14 03:18:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:18:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:18:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:18:56,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:18:56,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e1dde7-8a75-4bb1-8c4d-e5db13be3cac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 03:18:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:18:57,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 03:18:57,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:20:24,569 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0)) is different from false [2024-11-14 03:20:26,644 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0)) is different from true [2024-11-14 03:24:46,484 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.leq c_~var_1_4~0 c_~var_1_1~0)) (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) .cse2))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))))) (let ((.cse7 (bvadd (_ bv256 32) c_~var_1_11~0))) (let ((.cse9 (bvslt c_~var_1_12~0 (_ bv256 32))) (.cse8 (= .cse7 c_~var_1_12~0))) (or (and (let ((.cse5 (bvslt c_~var_1_12~0 c_~var_1_13~0))) (or (and (not .cse5) (let ((.cse6 (bvsgt c_~var_1_13~0 (_ bv256 32)))) (or (and (= (_ bv0 32) c_~var_1_11~0) (not .cse6)) (and .cse6 (= c_~var_1_13~0 .cse7))))) (and .cse5 .cse8))) (not .cse9)) (and .cse9 .cse8)))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0)) is different from false [2024-11-14 03:24:48,557 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.leq c_~var_1_4~0 c_~var_1_1~0)) (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) .cse2))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))))) (let ((.cse7 (bvadd (_ bv256 32) c_~var_1_11~0))) (let ((.cse9 (bvslt c_~var_1_12~0 (_ bv256 32))) (.cse8 (= .cse7 c_~var_1_12~0))) (or (and (let ((.cse5 (bvslt c_~var_1_12~0 c_~var_1_13~0))) (or (and (not .cse5) (let ((.cse6 (bvsgt c_~var_1_13~0 (_ bv256 32)))) (or (and (= (_ bv0 32) c_~var_1_11~0) (not .cse6)) (and .cse6 (= c_~var_1_13~0 .cse7))))) (and .cse5 .cse8))) (not .cse9)) (and .cse9 .cse8)))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0)) is different from true [2024-11-14 03:24:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-14 03:24:54,265 INFO L311 TraceCheckSpWp]: Computing backward predicates...