./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:49:26,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:49:26,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:49:26,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:49:26,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:49:26,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:49:26,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:49:26,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:49:26,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:49:26,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:49:26,741 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:49:26,741 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:49:26,741 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:49:26,741 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:49:26,741 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:49:26,741 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:49:26,741 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:49:26,741 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:49:26,742 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:49:26,742 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:49:26,742 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:49:26,742 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:49:26,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:49:26,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:49:26,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:49:26,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:26,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:49:26,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:49:26,745 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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 -> fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c [2024-11-14 03:49:27,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:49:27,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:49:27,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:49:27,021 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:49:27,022 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:49:27,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i Unable to find full path for "g++" [2024-11-14 03:49:28,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:49:29,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:49:29,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-11-14 03:49:29,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/data/ea5c256b3/ddd39c605c564c159879d657f80e0ddf/FLAG759a43f54 [2024-11-14 03:49:29,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/data/ea5c256b3/ddd39c605c564c159879d657f80e0ddf [2024-11-14 03:49:29,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:49:29,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:49:29,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:29,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:49:29,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:49:29,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270916ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29, skipping insertion in model container [2024-11-14 03:49:29,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:49:29,447 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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-14 03:49:29,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:29,579 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:49:29,592 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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-14 03:49:29,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:29,699 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:49:29,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29 WrapperNode [2024-11-14 03:49:29,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:29,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:29,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:49:29,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:49:29,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,797 INFO L138 Inliner]: procedures = 29, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 516 [2024-11-14 03:49:29,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:29,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:49:29,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:49:29,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:49:29,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:49:29,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:49:29,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:49:29,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:49:29,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (1/1) ... [2024-11-14 03:49:29,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:29,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:29,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:49:29,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:49:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:49:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:49:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 03:49:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 03:49:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:49:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 03:49:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:49:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:49:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:49:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:49:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:49:30,053 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:49:30,055 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:49:30,721 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-14 03:49:30,721 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:49:31,394 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:49:31,395 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:49:31,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:31 BoogieIcfgContainer [2024-11-14 03:49:31,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:49:31,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:49:31,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:49:31,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:49:31,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:49:29" (1/3) ... [2024-11-14 03:49:31,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d8367a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:31, skipping insertion in model container [2024-11-14 03:49:31,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:29" (2/3) ... [2024-11-14 03:49:31,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d8367a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:31, skipping insertion in model container [2024-11-14 03:49:31,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:31" (3/3) ... [2024-11-14 03:49:31,406 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2024-11-14 03:49:31,422 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:49:31,423 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-6.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:49:31,475 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:49:31,489 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;@41edf5fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:49:31,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:49:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 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 03:49:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 03:49:31,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:31,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:31,503 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:31,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:31,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1710193083, now seen corresponding path program 1 times [2024-11-14 03:49:31,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:49:31,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359224241] [2024-11-14 03:49:31,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:31,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:49:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:49:33,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [679091789] [2024-11-14 03:49:33,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:33,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:49:33,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:33,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:49:33,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:49:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:49:35,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:49:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:49:36,144 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:49:36,146 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:49:36,147 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:49:36,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:49:36,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:49:36,354 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:49:36,459 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:49:36,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:49:36 BoogieIcfgContainer [2024-11-14 03:49:36,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:49:36,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:49:36,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:49:36,465 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:49:36,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:31" (3/4) ... [2024-11-14 03:49:36,468 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:49:36,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:49:36,470 INFO L158 Benchmark]: Toolchain (without parser) took 7232.11ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.8MB in the beginning and 61.0MB in the end (delta: 31.8MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-11-14 03:49:36,471 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:49:36,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.99ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 77.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:49:36,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.47ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.1MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:49:36,473 INFO L158 Benchmark]: Boogie Preprocessor took 64.86ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 70.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:49:36,473 INFO L158 Benchmark]: RCFGBuilder took 1529.32ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 69.2MB in the end (delta: 875.8kB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-14 03:49:36,473 INFO L158 Benchmark]: TraceAbstraction took 5066.50ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 68.5MB in the beginning and 62.4MB in the end (delta: 6.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-14 03:49:36,473 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 151.0MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 17.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:49:36,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.99ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 77.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.47ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.1MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.86ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 70.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1529.32ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 69.2MB in the end (delta: 875.8kB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5066.50ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 68.5MB in the beginning and 62.4MB in the end (delta: 6.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 151.0MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 17.6kB). Peak memory consumption was 8.4MB. 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 someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_2_ = 0; [L38] signed long int last_1_signed_long_int_Array_0_2_ = -32; [L39] unsigned long int last_1_unsigned_long_int_Array_0_0_ = 50; [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] CALL updateLastVariables() [L100] EXPR BOOL_unsigned_char_Array_0[2] [L100] last_1_BOOL_unsigned_char_Array_0_2_ = BOOL_unsigned_char_Array_0[2] [L101] EXPR signed_long_int_Array_0[2] [L101] last_1_signed_long_int_Array_0_2_ = signed_long_int_Array_0[2] [L102] EXPR unsigned_long_int_Array_0[0] [L102] last_1_unsigned_long_int_Array_0_0_ = unsigned_long_int_Array_0[0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[0][0] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] double_Array_0[1][0] = __VERIFIER_nondet_double() [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] double_Array_0[0][1] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] double_Array_0[1][1] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L83] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L86] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L88] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L89] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L91] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L92] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] unsigned_short_int_Array_0[2] = __VERIFIER_nondet_ushort() [L95] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L113] RET updateVariables() [L114] CALL step() [L43] EXPR unsigned_short_int_Array_0[2] [L43] COND TRUE (unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_ [L44] EXPR double_Array_0[1][0] [L44] EXPR double_Array_0[0][1] [L44] EXPR double_Array_0[1][1] [L44] EXPR double_Array_0[0][0] [L44] COND FALSE !(((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) [L50] EXPR unsigned_short_int_Array_0[0] [L50] EXPR unsigned_short_int_Array_0[1] [L50] COND TRUE unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[0] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_long_int_Array_0[2] = (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]) [L53] COND FALSE !(\read(last_1_BOOL_unsigned_char_Array_0_2_)) [L56] EXPR unsigned_long_int_Array_0[1] [L56] EXPR signed_long_int_Array_0[1] [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) [L56] unsigned_long_int_Array_0[0] = ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))) [L57] EXPR unsigned_long_int_Array_0[0] [L57] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0]; [L58] EXPR unsigned_long_int_Array_0[0] [L58] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[0]; [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L59] EXPR unsigned_short_int_Array_0[2] [L59] COND FALSE !((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > stepLocal_1) [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L105] EXPR unsigned_short_int_Array_0[2] [L105] EXPR unsigned_long_int_Array_0[0] [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L105] EXPR unsigned_short_int_Array_0[2] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L105] EXPR double_Array_0[1][0] [L105] EXPR double_Array_0[0][1] [L105] EXPR double_Array_0[1][1] [L105] EXPR double_Array_0[0][0] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 [L105] EXPR unsigned_short_int_Array_0[1] [L105] EXPR unsigned_short_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1) [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) [L105-L106] return ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, 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=47occurred 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, 3.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 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 03:49:36,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:49:39,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:49:39,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:49:39,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:49:39,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:49:39,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:49:39,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:49:39,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:49:39,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:49:39,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:49:39,361 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:49:39,361 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:49:39,361 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:49:39,362 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:49:39,362 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:49:39,362 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:49:39,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:49:39,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:49:39,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:49:39,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:49:39,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:49:39,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:49:39,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:49:39,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:49:39,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:49:39,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:49:39,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:49:39,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:49:39,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:49:39,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:49:39,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:49:39,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:49:39,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:49:39,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:49:39,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:49:39,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:39,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:49:39,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:49:39,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:49:39,369 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:49:39,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:49:39,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:49:39,369 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:49:39,369 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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 -> fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c [2024-11-14 03:49:39,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:49:39,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:49:39,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:49:39,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:49:39,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:49:39,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i Unable to find full path for "g++" [2024-11-14 03:49:41,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:49:41,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:49:41,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-11-14 03:49:41,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/data/609902c24/5293042b9d864963a49d0d885be8b938/FLAG57ca05674 [2024-11-14 03:49:41,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/data/609902c24/5293042b9d864963a49d0d885be8b938 [2024-11-14 03:49:41,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:49:41,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:49:41,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:41,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:49:41,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:49:41,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:41" (1/1) ... [2024-11-14 03:49:41,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c023d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:41, skipping insertion in model container [2024-11-14 03:49:41,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:41" (1/1) ... [2024-11-14 03:49:41,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:49:42,146 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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-14 03:49:42,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:42,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:49:42,298 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_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-14 03:49:42,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:42,397 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:49:42,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42 WrapperNode [2024-11-14 03:49:42,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:42,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:42,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:49:42,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:49:42,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,485 INFO L138 Inliner]: procedures = 36, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 514 [2024-11-14 03:49:42,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:42,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:49:42,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:49:42,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:49:42,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:49:42,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:49:42,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:49:42,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:49:42,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (1/1) ... [2024-11-14 03:49:42,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:42,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:42,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:49:42,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:49:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:49:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-14 03:49:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-14 03:49:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 03:49:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-14 03:49:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:49:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 03:49:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-14 03:49:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 03:49:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 03:49:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:49:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:49:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:49:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:49:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 03:49:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 03:49:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 03:49:42,812 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:49:42,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:49:48,332 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-14 03:49:48,333 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:49:48,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:49:48,345 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:49:48,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:48 BoogieIcfgContainer [2024-11-14 03:49:48,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:49:48,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:49:48,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:49:48,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:49:48,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:49:41" (1/3) ... [2024-11-14 03:49:48,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598ad893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:48, skipping insertion in model container [2024-11-14 03:49:48,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:42" (2/3) ... [2024-11-14 03:49:48,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598ad893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:48, skipping insertion in model container [2024-11-14 03:49:48,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:48" (3/3) ... [2024-11-14 03:49:48,356 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2024-11-14 03:49:48,371 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:49:48,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-6.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:49:48,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:49:48,442 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;@4e8b3a1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:49:48,442 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:49:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 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 03:49:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-14 03:49:48,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:48,461 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, 1, 1, 1, 1, 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 03:49:48,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:48,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:48,467 INFO L85 PathProgramCache]: Analyzing trace with hash -817882816, now seen corresponding path program 1 times [2024-11-14 03:49:48,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:48,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938876420] [2024-11-14 03:49:48,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:48,494 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 03:49:48,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:48,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:48,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:48,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:49:48,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:49,029 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-14 03:49:49,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:49:49,030 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:49,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938876420] [2024-11-14 03:49:49,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938876420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:49,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:49,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:49:49,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920848415] [2024-11-14 03:49:49,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:49,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:49:49,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:49,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:49:49,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:49:49,073 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 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 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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 03:49:49,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:49,124 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-14 03:49:49,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:49:49,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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 158 [2024-11-14 03:49:49,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:49,136 INFO L225 Difference]: With dead ends: 237 [2024-11-14 03:49:49,136 INFO L226 Difference]: Without dead ends: 118 [2024-11-14 03:49:49,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 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 03:49:49,143 INFO L432 NwaCegarLoop]: 172 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, 172 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 03:49:49,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:49:49,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-14 03:49:49,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-14 03:49:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 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 03:49:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-14 03:49:49,196 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-14 03:49:49,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:49,196 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-14 03:49:49,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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 03:49:49,197 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-14 03:49:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-14 03:49:49,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:49,201 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, 1, 1, 1, 1, 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 03:49:49,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:49,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:49,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:49,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:49,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1505590238, now seen corresponding path program 1 times [2024-11-14 03:49:49,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:49,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533607523] [2024-11-14 03:49:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:49,404 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 03:49:49,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:49,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:49,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:49,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:49:49,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:49:49,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:49:49,942 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:49,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533607523] [2024-11-14 03:49:49,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533607523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:49,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:49,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:49:49,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950775900] [2024-11-14 03:49:49,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:49,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:49:49,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:49,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:49:49,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:49:49,951 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:49:50,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:50,041 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-11-14 03:49:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:49:50,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-14 03:49:50,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:50,044 INFO L225 Difference]: With dead ends: 235 [2024-11-14 03:49:50,045 INFO L226 Difference]: Without dead ends: 120 [2024-11-14 03:49:50,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:49:50,046 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:50,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:49:50,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-14 03:49:50,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-14 03:49:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 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 03:49:50,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-14 03:49:50,061 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2024-11-14 03:49:50,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:50,065 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-14 03:49:50,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:49:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-14 03:49:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-14 03:49:50,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:50,072 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, 1, 1, 1, 1, 1, 1, 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 03:49:50,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:50,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:50,272 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:50,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:50,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1282019856, now seen corresponding path program 1 times [2024-11-14 03:49:50,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:50,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621423592] [2024-11-14 03:49:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:50,274 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 03:49:50,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:50,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:50,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 03:49:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:50,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:49:50,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:51,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:49:51,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-11-14 03:49:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-14 03:49:51,268 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:49:51,269 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:51,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621423592] [2024-11-14 03:49:51,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621423592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:51,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:51,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:49:51,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167793331] [2024-11-14 03:49:51,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:51,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:49:51,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:51,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:49:51,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:49:51,271 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 03:49:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:56,400 INFO L93 Difference]: Finished difference Result 238 states and 346 transitions. [2024-11-14 03:49:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:49:56,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 160 [2024-11-14 03:49:56,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:56,403 INFO L225 Difference]: With dead ends: 238 [2024-11-14 03:49:56,404 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 03:49:56,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:49:56,405 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 146 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:56,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 497 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-14 03:49:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 03:49:56,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-14 03:49:56,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 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 03:49:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-14 03:49:56,418 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 160 [2024-11-14 03:49:56,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:56,419 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-14 03:49:56,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 03:49:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-14 03:49:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-14 03:49:56,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:56,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:56,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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)] Forceful destruction successful, exit code 0 [2024-11-14 03:49:56,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:56,622 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:56,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:56,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2025903030, now seen corresponding path program 1 times [2024-11-14 03:49:56,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:56,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876527189] [2024-11-14 03:49:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:56,624 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 03:49:56,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:56,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:49:56,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (5)] Waiting until timeout for monitored process [2024-11-14 03:49:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:57,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:49:57,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:57,431 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:49:57,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-14 03:49:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-14 03:49:57,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:49:57,499 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:57,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876527189] [2024-11-14 03:49:57,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876527189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:57,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:57,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:49:57,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411185641] [2024-11-14 03:49:57,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:57,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:49:57,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:57,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:49:57,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:49:57,501 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 03:50:00,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:50:02,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:50:02,215 INFO L93 Difference]: Finished difference Result 238 states and 344 transitions. [2024-11-14 03:50:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:50:02,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 162 [2024-11-14 03:50:02,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:50:02,218 INFO L225 Difference]: With dead ends: 238 [2024-11-14 03:50:02,218 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 03:50:02,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:50:02,219 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 137 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:50:02,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 493 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-14 03:50:02,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 03:50:02,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-14 03:50:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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 03:50:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-14 03:50:02,242 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 162 [2024-11-14 03:50:02,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:50:02,243 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-14 03:50:02,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 03:50:02,243 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-14 03:50:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 03:50:02,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:50:02,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:02,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (5)] Ended with exit code 0 [2024-11-14 03:50:02,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:02,451 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:50:02,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:50:02,451 INFO L85 PathProgramCache]: Analyzing trace with hash -159534928, now seen corresponding path program 1 times [2024-11-14 03:50:02,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:50:02,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821603713] [2024-11-14 03:50:02,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:02,452 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 03:50:02,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:50:02,454 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:02,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:02,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:50:02,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:03,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:50:03,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-14 03:50:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-14 03:50:03,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:50:03,413 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:50:03,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821603713] [2024-11-14 03:50:03,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821603713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:50:03,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:50:03,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:50:03,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88101085] [2024-11-14 03:50:03,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:50:03,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:50:03,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:50:03,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:50:03,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:50:03,416 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 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 03:50:06,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:50:07,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:50:07,797 INFO L93 Difference]: Finished difference Result 238 states and 342 transitions. [2024-11-14 03:50:07,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:50:07,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 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 164 [2024-11-14 03:50:07,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:50:07,801 INFO L225 Difference]: With dead ends: 238 [2024-11-14 03:50:07,801 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 03:50:07,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:50:07,804 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 128 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:50:07,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 487 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-14 03:50:07,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 03:50:07,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-14 03:50:07,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 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 03:50:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 171 transitions. [2024-11-14 03:50:07,820 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 171 transitions. Word has length 164 [2024-11-14 03:50:07,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:50:07,820 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 171 transitions. [2024-11-14 03:50:07,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 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 03:50:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 171 transitions. [2024-11-14 03:50:07,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-14 03:50:07,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:50:07,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:07,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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)] Ended with exit code 0 [2024-11-14 03:50:08,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:08,024 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:50:08,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:50:08,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1973158796, now seen corresponding path program 1 times [2024-11-14 03:50:08,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:50:08,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670998555] [2024-11-14 03:50:08,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:08,025 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 03:50:08,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:50:08,027 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:08,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (7)] Waiting until timeout for monitored process [2024-11-14 03:50:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:08,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:50:08,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-14 03:50:08,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:50:08,473 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:50:08,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670998555] [2024-11-14 03:50:08,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670998555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:50:08,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:50:08,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:50:08,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802831394] [2024-11-14 03:50:08,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:50:08,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:50:08,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:50:08,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:50:08,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:50:08,476 INFO L87 Difference]: Start difference. First operand 120 states and 171 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-14 03:50:08,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:50:08,918 INFO L93 Difference]: Finished difference Result 241 states and 344 transitions. [2024-11-14 03:50:08,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:50:08,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 166 [2024-11-14 03:50:08,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:50:08,920 INFO L225 Difference]: With dead ends: 241 [2024-11-14 03:50:08,920 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 03:50:08,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:50:08,924 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:50:08,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 688 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:50:08,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 03:50:08,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-14 03:50:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3333333333333333) internal successors, (132), 99 states have internal predecessors, (132), 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 03:50:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 170 transitions. [2024-11-14 03:50:08,942 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 170 transitions. Word has length 166 [2024-11-14 03:50:08,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:50:08,942 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 170 transitions. [2024-11-14 03:50:08,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-14 03:50:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2024-11-14 03:50:08,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-14 03:50:08,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:50:08,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:08,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (7)] Forceful destruction successful, exit code 0 [2024-11-14 03:50:09,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:09,145 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:50:09,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:50:09,146 INFO L85 PathProgramCache]: Analyzing trace with hash -288414454, now seen corresponding path program 1 times [2024-11-14 03:50:09,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:50:09,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253887558] [2024-11-14 03:50:09,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:09,147 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 03:50:09,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:50:09,148 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:09,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (8)] Waiting until timeout for monitored process [2024-11-14 03:50:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:09,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:50:09,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:09,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-11-14 03:50:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:50:09,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:50:09,817 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:50:09,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253887558] [2024-11-14 03:50:09,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253887558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:50:09,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:50:09,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:50:09,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169887792] [2024-11-14 03:50:09,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:50:09,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:50:09,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:50:09,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:50:09,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:50:09,821 INFO L87 Difference]: Start difference. First operand 120 states and 170 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:50:09,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:50:09,909 INFO L93 Difference]: Finished difference Result 237 states and 337 transitions. [2024-11-14 03:50:09,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:50:09,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-11-14 03:50:09,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:50:09,912 INFO L225 Difference]: With dead ends: 237 [2024-11-14 03:50:09,913 INFO L226 Difference]: Without dead ends: 120 [2024-11-14 03:50:09,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:50:09,914 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:50:09,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 327 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:50:09,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-14 03:50:09,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-14 03:50:09,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3232323232323233) internal successors, (131), 99 states have internal predecessors, (131), 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 03:50:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2024-11-14 03:50:09,932 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 166 [2024-11-14 03:50:09,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:50:09,934 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2024-11-14 03:50:09,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:50:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2024-11-14 03:50:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-14 03:50:09,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:50:09,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:09,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (8)] Ended with exit code 0 [2024-11-14 03:50:10,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:10,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:50:10,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:50:10,138 INFO L85 PathProgramCache]: Analyzing trace with hash 134287372, now seen corresponding path program 1 times [2024-11-14 03:50:10,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:50:10,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466849447] [2024-11-14 03:50:10,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:10,139 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 03:50:10,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:50:10,142 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:10,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (9)] Waiting until timeout for monitored process [2024-11-14 03:50:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:10,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:50:10,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:10,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-11-14 03:50:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:50:10,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:50:10,696 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:50:10,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466849447] [2024-11-14 03:50:10,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [466849447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:50:10,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:50:10,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:50:10,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141635076] [2024-11-14 03:50:10,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:50:10,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:50:10,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:50:10,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:50:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:50:10,699 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:50:10,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:50:10,724 INFO L93 Difference]: Finished difference Result 237 states and 335 transitions. [2024-11-14 03:50:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:50:10,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-11-14 03:50:10,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:50:10,726 INFO L225 Difference]: With dead ends: 237 [2024-11-14 03:50:10,726 INFO L226 Difference]: Without dead ends: 120 [2024-11-14 03:50:10,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:50:10,727 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:50:10,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 327 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:50:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-14 03:50:10,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-14 03:50:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 99 states have internal predecessors, (130), 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 03:50:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2024-11-14 03:50:10,746 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 166 [2024-11-14 03:50:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:50:10,747 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2024-11-14 03:50:10,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:50:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2024-11-14 03:50:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-14 03:50:10,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:50:10,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:10,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (9)] Ended with exit code 0 [2024-11-14 03:50:10,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:10,954 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:50:10,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:50:10,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1454060530, now seen corresponding path program 1 times [2024-11-14 03:50:10,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:50:10,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073911218] [2024-11-14 03:50:10,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:10,955 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 03:50:10,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:50:10,957 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:10,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (10)] Waiting until timeout for monitored process [2024-11-14 03:50:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:11,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-14 03:50:11,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:12,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:50:13,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2024-11-14 03:50:14,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:50:14,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 42 [2024-11-14 03:50:15,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 39 [2024-11-14 03:50:15,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:50:15,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 44 [2024-11-14 03:50:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 276 proven. 18 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-14 03:50:15,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:50:16,231 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#unsigned_long_int_Array_0~0.base| v_ArrVal_275) |c_~#unsigned_short_int_Array_0~0.base|))) (= ((_ zero_extend 16) ((_ extract 15 0) (select .cse0 (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|)))) ((_ zero_extend 16) ((_ extract 15 0) (select .cse0 |c_~#unsigned_short_int_Array_0~0.offset|)))))) is different from false [2024-11-14 03:50:16,720 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:50:16,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073911218] [2024-11-14 03:50:16,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073911218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:50:16,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [721234692] [2024-11-14 03:50:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:16,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:50:16,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:50:16,724 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:50:16,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 03:50:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:18,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 03:50:18,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:20,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:50:21,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:50:21,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-14 03:50:21,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2024-11-14 03:50:22,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2024-11-14 03:50:22,072 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:50:22,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:50:22,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [721234692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:50:22,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:50:22,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 20 [2024-11-14 03:50:22,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102831412] [2024-11-14 03:50:22,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:50:22,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 03:50:22,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:50:22,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 03:50:22,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=544, Unknown=1, NotChecked=48, Total=702 [2024-11-14 03:50:22,082 INFO L87 Difference]: Start difference. First operand 120 states and 168 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:50:25,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:50:26,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:50:26,773 INFO L93 Difference]: Finished difference Result 292 states and 409 transitions. [2024-11-14 03:50:26,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:50:26,775 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-11-14 03:50:26,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:50:26,777 INFO L225 Difference]: With dead ends: 292 [2024-11-14 03:50:26,777 INFO L226 Difference]: Without dead ends: 175 [2024-11-14 03:50:26,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=143, Invalid=672, Unknown=1, NotChecked=54, Total=870 [2024-11-14 03:50:26,778 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 261 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:50:26,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 512 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-14 03:50:26,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-14 03:50:26,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 144. [2024-11-14 03:50:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 123 states have internal predecessors, (163), 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 03:50:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 201 transitions. [2024-11-14 03:50:26,791 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 201 transitions. Word has length 166 [2024-11-14 03:50:26,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:50:26,792 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 201 transitions. [2024-11-14 03:50:26,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:50:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 201 transitions. [2024-11-14 03:50:26,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-14 03:50:26,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:50:26,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:26,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 03:50:27,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (10)] Forceful destruction successful, exit code 0 [2024-11-14 03:50:27,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:27,196 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:50:27,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:50:27,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1714871669, now seen corresponding path program 1 times [2024-11-14 03:50:27,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:50:27,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64816181] [2024-11-14 03:50:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:27,197 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 03:50:27,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:50:27,199 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:27,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (12)] Waiting until timeout for monitored process [2024-11-14 03:50:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:27,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 03:50:27,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:27,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-14 03:50:28,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:50:29,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:50:29,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 61 [2024-11-14 03:50:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:50:29,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:50:29,469 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:50:29,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64816181] [2024-11-14 03:50:29,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64816181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:50:29,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:50:29,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 03:50:29,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053064579] [2024-11-14 03:50:29,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:50:29,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:50:29,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:50:29,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:50:29,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:50:29,480 INFO L87 Difference]: Start difference. First operand 144 states and 201 transitions. Second operand has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:50:31,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:50:36,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:50:38,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:40,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:50:40,066 INFO L93 Difference]: Finished difference Result 531 states and 736 transitions. [2024-11-14 03:50:40,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 03:50:40,067 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-11-14 03:50:40,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:50:40,070 INFO L225 Difference]: With dead ends: 531 [2024-11-14 03:50:40,070 INFO L226 Difference]: Without dead ends: 390 [2024-11-14 03:50:40,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-11-14 03:50:40,072 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 238 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:50:40,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 792 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-11-14 03:50:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-14 03:50:40,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 291. [2024-11-14 03:50:40,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 250 states have (on average 1.32) internal successors, (330), 250 states have internal predecessors, (330), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:50:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 406 transitions. [2024-11-14 03:50:40,102 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 406 transitions. Word has length 166 [2024-11-14 03:50:40,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:50:40,103 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 406 transitions. [2024-11-14 03:50:40,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 03:50:40,103 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 406 transitions. [2024-11-14 03:50:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-14 03:50:40,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:50:40,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:40,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (12)] Ended with exit code 0 [2024-11-14 03:50:40,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:40,306 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:50:40,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:50:40,306 INFO L85 PathProgramCache]: Analyzing trace with hash -90566665, now seen corresponding path program 1 times [2024-11-14 03:50:40,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:50:40,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983651847] [2024-11-14 03:50:40,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:40,307 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 03:50:40,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:50:40,309 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 03:50:40,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b9f28-65ab-4032-8c0e-c2469ebf913f/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 (13)] Waiting until timeout for monitored process [2024-11-14 03:50:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:40,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 03:50:40,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:40,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-14 03:50:44,973 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-14 03:50:44,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 46 [2024-11-14 03:50:50,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:50:50,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 133 treesize of output 155