./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.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_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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_e6def523-7246-45a7-bf9f-5a586ffaf896/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 965493649683322c4c4531e65d7189f027c727871d6e00cfa208433dbe39feba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:27:54,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:27:54,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:27:54,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:27:54,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:27:55,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:27:55,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:27:55,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:27:55,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:27:55,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:27:55,013 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:27:55,013 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:27:55,013 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:27:55,013 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:27:55,013 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:27:55,014 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:27:55,014 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:27:55,014 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:27:55,014 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:27:55,014 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:27:55,014 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:27:55,014 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:27:55,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:27:55,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:27:55,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:27:55,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:27:55,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:27:55,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:27:55,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:27:55,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:27:55,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:27:55,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:27:55,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:27:55,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:27:55,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:27:55,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:27:55,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:27:55,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:27:55,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:27:55,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:27:55,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:27:55,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:27:55,020 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:27:55,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:27:55,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:27:55,020 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:27:55,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:27:55,020 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_e6def523-7246-45a7-bf9f-5a586ffaf896/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 -> 965493649683322c4c4531e65d7189f027c727871d6e00cfa208433dbe39feba [2024-11-14 03:27:55,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:27:55,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:27:55,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:27:55,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:27:55,401 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:27:55,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i Unable to find full path for "g++" [2024-11-14 03:27:57,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:27:57,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:27:57,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2024-11-14 03:27:57,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/data/3610059b9/cee05cb5375f472fac313f9d28db6636/FLAG7bc131a1d [2024-11-14 03:27:57,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/data/3610059b9/cee05cb5375f472fac313f9d28db6636 [2024-11-14 03:27:57,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:27:57,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:27:57,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:27:57,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:27:57,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:27:57,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:27:57" (1/1) ... [2024-11-14 03:27:57,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a0e16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:57, skipping insertion in model container [2024-11-14 03:27:57,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:27:57" (1/1) ... [2024-11-14 03:27:58,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:27:58,208 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_e6def523-7246-45a7-bf9f-5a586ffaf896/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i[918,931] [2024-11-14 03:27:58,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:27:58,301 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:27:58,313 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_e6def523-7246-45a7-bf9f-5a586ffaf896/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i[918,931] [2024-11-14 03:27:58,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:27:58,374 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:27:58,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58 WrapperNode [2024-11-14 03:27:58,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:27:58,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:27:58,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:27:58,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:27:58,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,434 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2024-11-14 03:27:58,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:27:58,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:27:58,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:27:58,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:27:58,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:27:58,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:27:58,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:27:58,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:27:58,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (1/1) ... [2024-11-14 03:27:58,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:27:58,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:58,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:27:58,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:27:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:27:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:27:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:27:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:27:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:27:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:27:58,711 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:27:58,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:27:59,399 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-14 03:27:59,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:27:59,847 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:27:59,847 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:27:59,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:59 BoogieIcfgContainer [2024-11-14 03:27:59,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:27:59,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:27:59,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:27:59,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:27:59,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:27:57" (1/3) ... [2024-11-14 03:27:59,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d64587b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:27:59, skipping insertion in model container [2024-11-14 03:27:59,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:58" (2/3) ... [2024-11-14 03:27:59,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d64587b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:27:59, skipping insertion in model container [2024-11-14 03:27:59,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:59" (3/3) ... [2024-11-14 03:27:59,863 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2024-11-14 03:27:59,883 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:27:59,885 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:27:59,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:27:59,968 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;@4e97c264, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:27:59,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:27:59,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:27:59,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 03:27:59,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:59,986 INFO L215 NwaCegarLoop]: trace histogram [19, 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 03:27:59,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:59,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:59,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1035253373, now seen corresponding path program 1 times [2024-11-14 03:28:00,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:28:00,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332189943] [2024-11-14 03:28:00,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:00,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:28:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:28:00,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072911722] [2024-11-14 03:28:00,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:00,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:28:00,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:28:00,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:28:00,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:28:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:28:01,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:28:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:28:01,681 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:28:01,683 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:28:01,685 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:28:01,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:28:01,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:28:01,892 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:28:01,989 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:28:01,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:28:01 BoogieIcfgContainer [2024-11-14 03:28:01,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:28:01,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:28:01,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:28:01,994 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:28:01,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:59" (3/4) ... [2024-11-14 03:28:01,998 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:28:01,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:28:02,000 INFO L158 Benchmark]: Toolchain (without parser) took 4021.14ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 82.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-14 03:28:02,000 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:28:02,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.36ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:28:02,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.08ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:28:02,001 INFO L158 Benchmark]: Boogie Preprocessor took 37.56ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:28:02,002 INFO L158 Benchmark]: RCFGBuilder took 1374.38ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 48.9MB in the end (delta: 23.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-14 03:28:02,002 INFO L158 Benchmark]: TraceAbstraction took 2137.47ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 83.7MB in the end (delta: -35.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-14 03:28:02,003 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.8MB in the end (delta: 899.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:28:02,005 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.36ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.08ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.56ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1374.38ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 48.9MB in the end (delta: 23.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2137.47ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 83.7MB in the end (delta: -35.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.8MB in the end (delta: 899.8kB). 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 shiftLeft at line 59, overapproximation of shiftRight at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 158, overapproximation of someBinaryFLOATComparisonOperation at line 160, overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of someBinaryFLOATComparisonOperation at line 157, overapproximation of bitwiseOr at line 108, overapproximation of someUnaryDOUBLEoperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 147, overapproximation of someBinaryDOUBLEComparisonOperation at line 149. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned long int var_1_19 = 50; [L37] unsigned char var_1_23 = 64; [L38] unsigned short int var_1_26 = 32; [L39] unsigned short int var_1_28 = 64; [L40] float var_1_30 = -0.2; [L41] float var_1_32 = -0.375; [L42] float var_1_33 = 1.4; [L43] float var_1_35 = 1.5; [L44] unsigned char last_1_var_1_10 = 32; [L45] unsigned short int last_1_var_1_12 = 16; [L46] unsigned long int last_1_var_1_13 = 128; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L164] last_1_var_1_10 = var_1_10 [L165] last_1_var_1_12 = var_1_12 [L166] last_1_var_1_13 = var_1_13 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L133] var_1_3 = __VERIFIER_nondet_short() [L134] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L135] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L136] var_1_5 = __VERIFIER_nondet_long() [L137] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L138] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L139] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L140] var_1_6 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L143] var_1_7 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L145] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L146] var_1_8 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0, var_1_9=9/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0, var_1_9=9/5] [L148] var_1_9 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L150] var_1_11 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L152] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L156] var_1_30 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L158] CALL assume_abort_if_not(var_1_30 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_30 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L159] var_1_32 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L161] CALL assume_abort_if_not(var_1_32 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_32 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=256, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0] [L177] RET updateVariables() [L178] CALL step() [L50] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L51] var_1_12 = var_1_6 [L53] signed long int stepLocal_2 = last_1_var_1_12 + var_1_7; [L54] COND TRUE var_1_6 <= stepLocal_2 [L55] var_1_10 = var_1_11 [L59] EXPR 1 << var_1_10 [L59] COND TRUE (1 << var_1_10) != (-500 / -100) [L60] COND FALSE !((var_1_6 - var_1_3) >= (var_1_12 + 256)) [L63] var_1_13 = var_1_12 [L68] var_1_18 = var_1_3 [L69] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L70] unsigned char stepLocal_3 = var_1_10; [L71] COND TRUE (- var_1_9) <= var_1_8 [L72] COND TRUE \read(var_1_15) [L73] COND TRUE stepLocal_4 < var_1_12 [L74] COND FALSE !(var_1_13 == stepLocal_3) [L86] signed long int stepLocal_1 = (var_1_10 & 0) * var_1_5; [L87] EXPR var_1_16 >> var_1_3 [L87] signed long int stepLocal_0 = var_1_16 >> var_1_3; [L88] COND TRUE stepLocal_0 == (var_1_10 / var_1_5) [L89] EXPR var_1_3 << (var_1_6 - var_1_7) [L89] COND TRUE (var_1_3 << (var_1_6 - var_1_7)) > stepLocal_1 [L90] var_1_1 = ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) [L95] COND TRUE var_1_15 || var_1_15 [L96] var_1_19 = ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) [L98] COND FALSE !(((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) == (~ 16u)) [L103] COND TRUE var_1_11 <= var_1_12 [L104] COND TRUE var_1_11 <= (((((var_1_11) < (var_1_6)) ? (var_1_11) : (var_1_6))) / var_1_6) [L105] var_1_26 = ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))) [L118] COND FALSE !((var_1_9 / var_1_30) > ((((var_1_8 / var_1_32) < 0 ) ? -(var_1_8 / var_1_32) : (var_1_8 / var_1_32)))) [L123] var_1_33 = var_1_8 [L124] COND TRUE ((256 - var_1_11) <= (var_1_11 + var_1_10)) || var_1_15 [L125] COND TRUE \read(var_1_15) [L126] COND FALSE !(((var_1_10 == var_1_6) && var_1_15) && var_1_15) [L178] RET step() [L179] CALL, EXPR property() [L169] EXPR var_1_16 >> var_1_3 [L169] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L169] EXPR 1 << var_1_10 [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L169-L170] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=256, var_1_11=256, var_1_12=7, var_1_13=7, var_1_15=1, var_1_16=256, var_1_18=1, var_1_19=1, var_1_1=2, var_1_23=64, var_1_26=7, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=256, var_1_11=256, var_1_12=7, var_1_13=7, var_1_15=1, var_1_16=256, var_1_18=1, var_1_19=1, var_1_1=2, var_1_23=64, var_1_26=7, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=1, var_1_5=1, var_1_6=7, var_1_7=0, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 19, 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=38occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 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 03:28:02,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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_e6def523-7246-45a7-bf9f-5a586ffaf896/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 965493649683322c4c4531e65d7189f027c727871d6e00cfa208433dbe39feba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:28:05,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:28:05,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:28:05,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:28:05,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:28:05,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:28:05,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:28:05,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:28:05,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:28:05,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:28:05,282 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:28:05,282 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:28:05,282 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:28:05,282 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:28:05,282 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:28:05,282 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:28:05,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:28:05,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:28:05,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:28:05,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:28:05,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:28:05,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:28:05,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:28:05,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:28:05,284 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:28:05,284 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:28:05,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:28:05,284 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:28:05,284 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:28:05,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:28:05,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:28:05,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:28:05,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:28:05,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:28:05,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:28:05,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:28:05,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:28:05,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:28:05,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:28:05,288 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:28:05,288 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:28:05,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:28:05,289 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:28:05,289 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_e6def523-7246-45a7-bf9f-5a586ffaf896/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 -> 965493649683322c4c4531e65d7189f027c727871d6e00cfa208433dbe39feba [2024-11-14 03:28:05,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:28:05,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:28:05,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:28:05,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:28:05,681 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:28:05,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i Unable to find full path for "g++" [2024-11-14 03:28:07,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:28:08,055 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:28:08,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2024-11-14 03:28:08,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/data/83ebe624f/1770755acaa4496082680c5940c9dcc5/FLAG1cb7ae8bf [2024-11-14 03:28:08,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/data/83ebe624f/1770755acaa4496082680c5940c9dcc5 [2024-11-14 03:28:08,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:28:08,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:28:08,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:28:08,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:28:08,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:28:08,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33017108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08, skipping insertion in model container [2024-11-14 03:28:08,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:28:08,359 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_e6def523-7246-45a7-bf9f-5a586ffaf896/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i[918,931] [2024-11-14 03:28:08,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:28:08,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:28:08,501 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_e6def523-7246-45a7-bf9f-5a586ffaf896/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i[918,931] [2024-11-14 03:28:08,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:28:08,613 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:28:08,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08 WrapperNode [2024-11-14 03:28:08,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:28:08,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:28:08,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:28:08,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:28:08,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,701 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2024-11-14 03:28:08,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:28:08,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:28:08,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:28:08,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:28:08,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:28:08,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:28:08,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:28:08,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:28:08,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (1/1) ... [2024-11-14 03:28:08,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:28:08,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:28:08,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:28:08,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:28:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:28:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:28:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:28:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:28:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:28:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:28:08,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:28:08,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:28:15,027 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 03:28:15,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:28:15,040 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:28:15,040 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:28:15,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:28:15 BoogieIcfgContainer [2024-11-14 03:28:15,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:28:15,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:28:15,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:28:15,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:28:15,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:28:08" (1/3) ... [2024-11-14 03:28:15,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d597553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:28:15, skipping insertion in model container [2024-11-14 03:28:15,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:08" (2/3) ... [2024-11-14 03:28:15,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d597553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:28:15, skipping insertion in model container [2024-11-14 03:28:15,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:28:15" (3/3) ... [2024-11-14 03:28:15,056 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i [2024-11-14 03:28:15,074 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:28:15,076 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-9.i that has 2 procedures, 74 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:28:15,139 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:28:15,159 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;@61cd9b82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:28:15,160 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:28:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:28:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 03:28:15,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:28:15,184 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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 03:28:15,185 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:28:15,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:28:15,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1092135608, now seen corresponding path program 1 times [2024-11-14 03:28:15,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:28:15,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416740794] [2024-11-14 03:28:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:15,206 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 03:28:15,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:28:15,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 03:28:15,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 03:28:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:28:17,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:28:17,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:28:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-14 03:28:17,233 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:28:17,234 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:28:17,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416740794] [2024-11-14 03:28:17,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416740794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:28:17,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:28:17,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:28:17,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73001592] [2024-11-14 03:28:17,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:28:17,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:28:17,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:28:17,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:28:17,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:28:17,277 INFO L87 Difference]: Start difference. First operand has 74 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 03:28:17,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:28:17,305 INFO L93 Difference]: Finished difference Result 140 states and 245 transitions. [2024-11-14 03:28:17,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:28:17,308 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 129 [2024-11-14 03:28:17,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:28:17,315 INFO L225 Difference]: With dead ends: 140 [2024-11-14 03:28:17,315 INFO L226 Difference]: Without dead ends: 69 [2024-11-14 03:28:17,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 03:28:17,322 INFO L432 NwaCegarLoop]: 106 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, 106 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 03:28:17,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:28:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-14 03:28:17,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-14 03:28:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:28:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 106 transitions. [2024-11-14 03:28:17,371 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 106 transitions. Word has length 129 [2024-11-14 03:28:17,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:28:17,371 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 106 transitions. [2024-11-14 03:28:17,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 03:28:17,372 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2024-11-14 03:28:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 03:28:17,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:28:17,376 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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 03:28:17,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 03:28:17,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 03:28:17,577 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:28:17,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:28:17,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1909639889, now seen corresponding path program 1 times [2024-11-14 03:28:17,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:28:17,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037518179] [2024-11-14 03:28:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:17,579 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 03:28:17,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:28:17,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 03:28:17,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 03:28:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:28:19,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 03:28:19,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:28:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 303 proven. 72 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-14 03:28:30,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:28:34,708 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:28:34,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037518179] [2024-11-14 03:28:34,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037518179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:28:34,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [693062863] [2024-11-14 03:28:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:34,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:28:34,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:28:34,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:28:34,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 03:28:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:28:37,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 03:28:37,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:28:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 288 proven. 39 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-14 03:28:44,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:28:47,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [693062863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:28:47,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073304170] [2024-11-14 03:28:47,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:47,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:28:47,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:28:47,069 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:28:47,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:28:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:28:48,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 03:28:48,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:28:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 303 proven. 72 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-14 03:28:56,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:28:58,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073304170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:28:58,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:28:58,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 9] total 9 [2024-11-14 03:28:58,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496512996] [2024-11-14 03:28:58,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:28:58,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:28:58,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:28:58,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:28:58,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:28:58,728 INFO L87 Difference]: Start difference. First operand 69 states and 106 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-14 03:29:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:03,991 INFO L93 Difference]: Finished difference Result 212 states and 321 transitions. [2024-11-14 03:29:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 03:29:03,992 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 130 [2024-11-14 03:29:03,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:03,995 INFO L225 Difference]: With dead ends: 212 [2024-11-14 03:29:03,995 INFO L226 Difference]: Without dead ends: 146 [2024-11-14 03:29:03,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=232, Invalid=418, Unknown=0, NotChecked=0, Total=650 [2024-11-14 03:29:03,999 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 128 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:03,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 415 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-14 03:29:04,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-14 03:29:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 113. [2024-11-14 03:29:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:29:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2024-11-14 03:29:04,033 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 130 [2024-11-14 03:29:04,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:04,033 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2024-11-14 03:29:04,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-14 03:29:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2024-11-14 03:29:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 03:29:04,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:04,047 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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 03:29:04,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 03:29:04,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-14 03:29:04,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:29:04,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:04,648 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:04,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:04,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1091991439, now seen corresponding path program 1 times [2024-11-14 03:29:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:29:04,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814581112] [2024-11-14 03:29:04,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:04,650 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 03:29:04,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:29:04,653 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 03:29:04,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6def523-7246-45a7-bf9f-5a586ffaf896/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 (6)] Waiting until timeout for monitored process [2024-11-14 03:29:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:06,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 03:29:06,550 INFO L278 TraceCheckSpWp]: Computing forward predicates...