./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 6ff28b25634280706396cfbea7901c68a9db0fe007a7f115a9dd84fe21326a05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:57:38,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:57:38,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:57:38,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:57:38,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:57:38,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:57:38,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:57:38,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:57:38,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:57:38,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:57:38,857 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:57:38,858 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:57:38,858 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:57:38,859 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:57:38,859 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:57:38,860 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:57:38,860 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:57:38,860 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:57:38,860 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:57:38,860 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:57:38,860 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:57:38,861 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:57:38,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:57:38,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:57:38,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:57:38,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:57:38,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:57:38,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:57:38,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:57:38,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:57:38,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:57:38,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:57:38,863 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:57:38,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:57:38,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:57:38,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:57:38,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:57:38,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:57:38,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:38,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:57:38,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:57:38,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:57:38,865 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:57:38,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:57:38,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:57:38,866 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:57:38,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:57:38,866 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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 -> 6ff28b25634280706396cfbea7901c68a9db0fe007a7f115a9dd84fe21326a05 [2024-11-14 02:57:39,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:57:39,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:57:39,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:57:39,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:57:39,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:57:39,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i Unable to find full path for "g++" [2024-11-14 02:57:41,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:57:42,020 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:57:42,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i [2024-11-14 02:57:42,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/data/0782775f9/78851b39e0dc4040aa01070806c8fcac/FLAGcb38d2f67 [2024-11-14 02:57:42,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/data/0782775f9/78851b39e0dc4040aa01070806c8fcac [2024-11-14 02:57:42,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:57:42,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:57:42,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:42,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:57:42,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:57:42,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76707bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42, skipping insertion in model container [2024-11-14 02:57:42,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:57:42,328 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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i[917,930] [2024-11-14 02:57:42,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:42,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:57:42,485 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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i[917,930] [2024-11-14 02:57:42,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:42,627 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:57:42,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42 WrapperNode [2024-11-14 02:57:42,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:42,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:42,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:57:42,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:57:42,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,726 INFO L138 Inliner]: procedures = 30, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 553 [2024-11-14 02:57:42,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:42,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:57:42,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:57:42,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:57:42,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:57:42,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:57:42,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:57:42,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:57:42,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (1/1) ... [2024-11-14 02:57:42,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:42,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:57:42,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:57:42,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:57:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:57:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-14 02:57:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 02:57:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 02:57:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:57:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 02:57:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:57:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:57:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:57:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:57:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:57:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:57:43,042 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:57:43,047 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:57:44,152 INFO L? ?]: Removed 148 outVars from TransFormulas that were not future-live. [2024-11-14 02:57:44,152 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:57:44,780 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:57:44,781 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:57:44,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:44 BoogieIcfgContainer [2024-11-14 02:57:44,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:57:44,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:57:44,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:57:44,791 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:57:44,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:57:42" (1/3) ... [2024-11-14 02:57:44,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6fe830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:44, skipping insertion in model container [2024-11-14 02:57:44,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:42" (2/3) ... [2024-11-14 02:57:44,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6fe830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:44, skipping insertion in model container [2024-11-14 02:57:44,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:44" (3/3) ... [2024-11-14 02:57:44,795 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-23.i [2024-11-14 02:57:44,813 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:57:44,817 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-23.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:57:44,891 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:57:44,911 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;@49e7bec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:57:44,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:57:44,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 02:57:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 02:57:44,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:57:44,928 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:57:44,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:57:44,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:57:44,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1848106865, now seen corresponding path program 1 times [2024-11-14 02:57:44,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:57:44,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704194384] [2024-11-14 02:57:44,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:44,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:57:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:57:49,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732096589] [2024-11-14 02:57:49,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:49,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:57:49,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:57:49,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:57:49,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:57:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:57:53,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:57:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:57:57,661 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:57:57,663 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:57:57,664 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:57:57,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:57:57,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:57:57,872 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:57:58,059 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:57:58,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:57:58 BoogieIcfgContainer [2024-11-14 02:57:58,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:57:58,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:57:58,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:57:58,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:57:58,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:44" (3/4) ... [2024-11-14 02:57:58,067 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:57:58,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:57:58,070 INFO L158 Benchmark]: Toolchain (without parser) took 15995.88ms. Allocated memory was 109.1MB in the beginning and 302.0MB in the end (delta: 192.9MB). Free memory was 83.8MB in the beginning and 190.6MB in the end (delta: -106.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-11-14 02:57:58,070 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:57:58,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.91ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 67.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:57:58,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.39ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 63.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:57:58,072 INFO L158 Benchmark]: Boogie Preprocessor took 80.62ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 60.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:57:58,072 INFO L158 Benchmark]: RCFGBuilder took 1971.78ms. Allocated memory is still 109.1MB. Free memory was 60.5MB in the beginning and 42.8MB in the end (delta: 17.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-14 02:57:58,073 INFO L158 Benchmark]: TraceAbstraction took 13277.44ms. Allocated memory was 109.1MB in the beginning and 302.0MB in the end (delta: 192.9MB). Free memory was 42.0MB in the beginning and 190.6MB in the end (delta: -148.6MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-14 02:57:58,073 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 302.0MB. Free memory was 190.6MB in the beginning and 190.6MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:57:58,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.91ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 67.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.39ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 63.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.62ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 60.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1971.78ms. Allocated memory is still 109.1MB. Free memory was 60.5MB in the beginning and 42.8MB in the end (delta: 17.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13277.44ms. Allocated memory was 109.1MB in the beginning and 302.0MB in the end (delta: 192.9MB). Free memory was 42.0MB in the beginning and 190.6MB in the end (delta: -148.6MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 302.0MB. Free memory was 190.6MB in the beginning and 190.6MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 111. Possible FailurePath: [L41] unsigned char isInitial = 0; [L42-L60] struct WrapperStruct00 WrapperStruct00 = { 0, 16, 64, 25, 1.2, 999.7, 1.4, 9.75, 1.75, 16, 1277342739, 1394088949, 0, 0, 0, 0, 0 }; [L61] unsigned long int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L62] unsigned long int* WrapperStruct00_var_1_2_Pointer = &(WrapperStruct00.var_1_2); [L63] unsigned long int* WrapperStruct00_var_1_3_Pointer = &(WrapperStruct00.var_1_3); [L64] unsigned long int* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L65] float* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L66] float* WrapperStruct00_var_1_6_Pointer = &(WrapperStruct00.var_1_6); [L67] float* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L68] float* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L69] float* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L70] unsigned long int* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L71] unsigned long int* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L72] unsigned long int* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L73] unsigned long int* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L74] unsigned char* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L75] unsigned char* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L76] unsigned char* WrapperStruct00_var_1_18_Pointer = &(WrapperStruct00.var_1_18); [L77] unsigned char* WrapperStruct00_var_1_19_Pointer = &(WrapperStruct00.var_1_19); [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] FCALL updateLastVariables() [L145] CALL updateVariables() [L101] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ulong() [L102] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L103] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L104] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ulong() [L105] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L106] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L107] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L108] EXPR WrapperStruct00.var_1_5 [L108] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F [L108] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) [L108] EXPR WrapperStruct00.var_1_5 [L108] EXPR WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F [L108] EXPR WrapperStruct00.var_1_5 [L108] EXPR WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F [L108] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L108] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L109] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L110] EXPR WrapperStruct00.var_1_6 [L110] EXPR WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F [L110] EXPR (WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) [L110] EXPR WrapperStruct00.var_1_6 [L110] EXPR WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F [L110] EXPR WrapperStruct00.var_1_6 [L110] EXPR WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F [L110] EXPR (WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L110] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L111] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_6 != 0.0F) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_6 != 0.0F) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L112] WrapperStruct00.var_1_7 = __VERIFIER_nondet_float() [L113] EXPR WrapperStruct00.var_1_7 [L113] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L113] EXPR WrapperStruct00.var_1_7 [L113] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L113] EXPR (WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L113] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L114] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L115] EXPR WrapperStruct00.var_1_8 [L115] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L115] EXPR WrapperStruct00.var_1_8 [L115] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L115] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L115] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L116] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L117] EXPR WrapperStruct00.var_1_9 [L117] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L117] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) [L117] EXPR WrapperStruct00.var_1_9 [L117] EXPR WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L117] EXPR WrapperStruct00.var_1_9 [L117] EXPR WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L117] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L117] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L118] WrapperStruct00.var_1_11 = __VERIFIER_nondet_ulong() [L119] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 1073741823) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 1073741823) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L120] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L120] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L121] WrapperStruct00.var_1_12 = __VERIFIER_nondet_ulong() [L122] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 1073741824) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 1073741824) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L123] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L123] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L124] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L125] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L126] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L126] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L127] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L128] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L128] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L129] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L129] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L130] WrapperStruct00.var_1_19 = __VERIFIER_nondet_uchar() [L131] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L131] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L132] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L132] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L145] RET updateVariables() [L146] CALL step() [L81] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L81] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L81] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L81] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L81] (*(WrapperStruct00_var_1_1_Pointer)) = (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) [L82] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L82] COND FALSE !(((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) [L85] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L85] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer)))) [L85] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L85] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer)))) [L85] (*(WrapperStruct00_var_1_10_Pointer)) = (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer)))))) [L86] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L86] unsigned char stepLocal_0 = (- (*(WrapperStruct00_var_1_5_Pointer))) != 1.9f; [L87] stepLocal_0 || (((*(WrapperStruct00_var_1_4_Pointer)) * (*(WrapperStruct00_var_1_13_Pointer))) < (*(WrapperStruct00_var_1_3_Pointer))) [L87] COND TRUE stepLocal_0 || (((*(WrapperStruct00_var_1_4_Pointer)) * (*(WrapperStruct00_var_1_13_Pointer))) < (*(WrapperStruct00_var_1_3_Pointer))) [L88] EXPR \read(*WrapperStruct00_var_1_19_Pointer) [L88] (*(WrapperStruct00_var_1_18_Pointer)) = (! (*(WrapperStruct00_var_1_19_Pointer))) [L92] EXPR \read(*WrapperStruct00_var_1_18_Pointer) [L92] COND TRUE (*(WrapperStruct00_var_1_18_Pointer)) [L93] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L93] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L93] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L93] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L93] COND TRUE ! (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer)))) [L94] EXPR \read(*WrapperStruct00_var_1_18_Pointer) [L94] COND TRUE (*(WrapperStruct00_var_1_18_Pointer)) [L95] EXPR \read(*WrapperStruct00_var_1_17_Pointer) [L95] (*(WrapperStruct00_var_1_14_Pointer)) = (! (*(WrapperStruct00_var_1_17_Pointer))) [L146] RET step() [L147] CALL, EXPR property() [L137] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L137] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L137] EXPR ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1) [L137] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1 [L137] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L137] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L137] EXPR (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1 [L137] EXPR ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1) [L137] EXPR (((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer)))))))) [L137] EXPR ((((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))))))) && ((*(WrapperStruct00_var_1_18_Pointer)) ? ((! (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_18_Pointer)) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_17_Pointer))))) : 1) : 1) : 1) [L137] EXPR (((((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))))))) && ((*(WrapperStruct00_var_1_18_Pointer)) ? ((! (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_18_Pointer)) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_17_Pointer))))) : 1) : 1) : 1)) && ((((- (*(WrapperStruct00_var_1_5_Pointer))) != 1.9f) || (((*(WrapperStruct00_var_1_4_Pointer)) * (*(WrapperStruct00_var_1_13_Pointer))) < (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_18_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_19_Pointer))))) : ((*(WrapperStruct00_var_1_18_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_19_Pointer))))) [L137-L138] return (((((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))))))) && ((*(WrapperStruct00_var_1_18_Pointer)) ? ((! (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_18_Pointer)) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_17_Pointer))))) : 1) : 1) : 1)) && ((((- (*(WrapperStruct00_var_1_5_Pointer))) != 1.9f) || (((*(WrapperStruct00_var_1_4_Pointer)) * (*(WrapperStruct00_var_1_13_Pointer))) < (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_18_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_19_Pointer))))) : ((*(WrapperStruct00_var_1_18_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_19_Pointer))))) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 1, TraceHistogramMax: 20, 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=49occurred 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, 7.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 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 02:57:58,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 6ff28b25634280706396cfbea7901c68a9db0fe007a7f115a9dd84fe21326a05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:58:00,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:58:01,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:58:01,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:58:01,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:58:01,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:58:01,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:58:01,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:58:01,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:58:01,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:58:01,109 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:58:01,109 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:58:01,109 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:58:01,109 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:58:01,110 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:58:01,110 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:58:01,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:58:01,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:58:01,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:58:01,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:58:01,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:58:01,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:58:01,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:58:01,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:58:01,113 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:58:01,113 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:58:01,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:58:01,113 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:58:01,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:58:01,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:58:01,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:58:01,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:58:01,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:58:01,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:58:01,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:58:01,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:01,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:58:01,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:58:01,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:58:01,116 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:58:01,116 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:58:01,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:58:01,116 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:58:01,116 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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 -> 6ff28b25634280706396cfbea7901c68a9db0fe007a7f115a9dd84fe21326a05 [2024-11-14 02:58:01,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:58:01,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:58:01,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:58:01,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:58:01,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:58:01,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i Unable to find full path for "g++" [2024-11-14 02:58:03,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:58:04,281 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:58:04,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i [2024-11-14 02:58:04,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/data/3d9761393/9d731c8f0808431ebe2a9da850fe4931/FLAGa15d51008 [2024-11-14 02:58:04,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/data/3d9761393/9d731c8f0808431ebe2a9da850fe4931 [2024-11-14 02:58:04,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:58:04,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:58:04,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:04,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:58:04,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:58:04,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,326 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 02:58:04, skipping insertion in model container [2024-11-14 02:58:04,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:58:04,535 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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i[917,930] [2024-11-14 02:58:04,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:04,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:58:04,659 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_43a30bf6-c7ad-4459-acc9-ad1de0f11832/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i[917,930] [2024-11-14 02:58:04,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:04,773 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:58:04,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04 WrapperNode [2024-11-14 02:58:04,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:04,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:04,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:58:04,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:58:04,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,849 INFO L138 Inliner]: procedures = 34, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 552 [2024-11-14 02:58:04,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:04,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:58:04,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:58:04,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:58:04,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:58:04,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:58:04,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:58:04,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:58:04,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (1/1) ... [2024-11-14 02:58:04,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:04,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:58:04,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:58:04,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:58:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:58:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 02:58:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:58:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 02:58:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 02:58:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-14 02:58:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 02:58:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-14 02:58:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:58:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:58:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-14 02:58:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:58:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:58:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 02:58:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 02:58:05,267 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:58:05,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:58:23,817 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-14 02:58:23,818 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:58:23,845 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:58:23,847 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:58:23,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:23 BoogieIcfgContainer [2024-11-14 02:58:23,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:58:23,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:58:23,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:58:23,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:58:23,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:58:04" (1/3) ... [2024-11-14 02:58:23,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2a2ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:23, skipping insertion in model container [2024-11-14 02:58:23,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:04" (2/3) ... [2024-11-14 02:58:23,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2a2ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:23, skipping insertion in model container [2024-11-14 02:58:23,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:23" (3/3) ... [2024-11-14 02:58:23,862 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-23.i [2024-11-14 02:58:23,882 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:58:23,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-23.i that has 2 procedures, 124 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:58:23,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:58:23,981 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;@7cf84626, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:58:23,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:58:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 02:58:24,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 02:58:24,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:24,008 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:24,009 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:24,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:24,016 INFO L85 PathProgramCache]: Analyzing trace with hash 392156764, now seen corresponding path program 1 times [2024-11-14 02:58:24,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:24,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365400405] [2024-11-14 02:58:24,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:24,035 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 02:58:24,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:24,041 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:24,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:25,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:58:25,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-11-14 02:58:25,284 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:58:25,285 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:25,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365400405] [2024-11-14 02:58:25,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365400405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:25,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:25,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:58:25,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680509599] [2024-11-14 02:58:25,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:25,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:58:25,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:25,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:58:25,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:58:25,332 INFO L87 Difference]: Start difference. First operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 02:58:25,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:25,372 INFO L93 Difference]: Finished difference Result 241 states and 380 transitions. [2024-11-14 02:58:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:58:25,375 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-14 02:58:25,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:25,384 INFO L225 Difference]: With dead ends: 241 [2024-11-14 02:58:25,384 INFO L226 Difference]: Without dead ends: 120 [2024-11-14 02:58:25,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 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 02:58:25,392 INFO L432 NwaCegarLoop]: 176 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, 176 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 02:58:25,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:58:25,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-14 02:58:25,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-14 02:58:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 02:58:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2024-11-14 02:58:25,470 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 165 [2024-11-14 02:58:25,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:25,471 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2024-11-14 02:58:25,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 02:58:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2024-11-14 02:58:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 02:58:25,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:25,483 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:25,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:25,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:25,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:25,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:25,685 INFO L85 PathProgramCache]: Analyzing trace with hash 337453864, now seen corresponding path program 1 times [2024-11-14 02:58:25,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:25,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710828875] [2024-11-14 02:58:25,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:25,687 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 02:58:25,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:25,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:25,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:26,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:58:26,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-14 02:58:26,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:58:26,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:26,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710828875] [2024-11-14 02:58:26,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710828875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:26,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:26,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:58:26,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221246598] [2024-11-14 02:58:26,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:26,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:58:26,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:26,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:58:26,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:58:26,747 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 02:58:26,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:26,890 INFO L93 Difference]: Finished difference Result 239 states and 352 transitions. [2024-11-14 02:58:26,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:58:26,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-14 02:58:26,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:26,896 INFO L225 Difference]: With dead ends: 239 [2024-11-14 02:58:26,896 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 02:58:26,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 162 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 02:58:26,899 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 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 02:58:26,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:58:26,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 02:58:26,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-14 02:58:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 02:58:26,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 178 transitions. [2024-11-14 02:58:26,937 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 178 transitions. Word has length 165 [2024-11-14 02:58:26,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:26,942 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-11-14 02:58:26,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 02:58:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 178 transitions. [2024-11-14 02:58:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 02:58:26,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:26,946 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:26,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:27,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:27,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:27,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:27,148 INFO L85 PathProgramCache]: Analyzing trace with hash -133902486, now seen corresponding path program 1 times [2024-11-14 02:58:27,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:27,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246341337] [2024-11-14 02:58:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:27,150 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 02:58:27,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:27,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:27,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:28,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:58:28,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:28,843 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 95 treesize of output 41 [2024-11-14 02:58:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-14 02:58:28,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:58:28,958 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:28,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246341337] [2024-11-14 02:58:28,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246341337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:28,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:28,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:58:28,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954408623] [2024-11-14 02:58:28,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:28,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:58:28,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:28,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:58:28,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:58:28,964 INFO L87 Difference]: Start difference. First operand 122 states and 178 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 02:58:30,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:33,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:35,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:37,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:39,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:41,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:45,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:47,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:49,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:50,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:53,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:53,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:53,322 INFO L93 Difference]: Finished difference Result 242 states and 354 transitions. [2024-11-14 02:58:53,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 02:58:53,324 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-14 02:58:53,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:53,326 INFO L225 Difference]: With dead ends: 242 [2024-11-14 02:58:53,326 INFO L226 Difference]: Without dead ends: 123 [2024-11-14 02:58:53,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 02:58:53,328 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 134 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:53,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 483 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 5 Unknown, 0 Unchecked, 24.2s Time] [2024-11-14 02:58:53,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-14 02:58:53,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-11-14 02:58:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 02:58:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2024-11-14 02:58:53,343 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 165 [2024-11-14 02:58:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:53,344 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2024-11-14 02:58:53,344 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 02:58:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2024-11-14 02:58:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-14 02:58:53,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:53,348 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:53,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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)] Ended with exit code 0 [2024-11-14 02:58:53,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:53,549 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:53,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:53,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1731987376, now seen corresponding path program 1 times [2024-11-14 02:58:53,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:53,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153832915] [2024-11-14 02:58:53,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:53,551 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 02:58:53,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:53,556 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:53,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:58:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:54,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:58:54,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:55,051 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 95 treesize of output 41 [2024-11-14 02:58:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 02:58:55,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:58:55,124 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:55,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153832915] [2024-11-14 02:58:55,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153832915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:55,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:55,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:58:55,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183441855] [2024-11-14 02:58:55,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:55,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:58:55,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:55,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:58:55,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:58:55,127 INFO L87 Difference]: Start difference. First operand 122 states and 177 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 02:58:56,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:59,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:02,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:04,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:06,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:09,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:10,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:11,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:13,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:14,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:16,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:59:16,032 INFO L93 Difference]: Finished difference Result 242 states and 352 transitions. [2024-11-14 02:59:16,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 02:59:16,034 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 167 [2024-11-14 02:59:16,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:16,037 INFO L225 Difference]: With dead ends: 242 [2024-11-14 02:59:16,037 INFO L226 Difference]: Without dead ends: 123 [2024-11-14 02:59:16,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 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 02:59:16,041 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 126 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:16,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 479 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 2 Unknown, 0 Unchecked, 20.8s Time] [2024-11-14 02:59:16,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-14 02:59:16,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-11-14 02:59:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.36) internal successors, (136), 100 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 02:59:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 176 transitions. [2024-11-14 02:59:16,057 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 176 transitions. Word has length 167 [2024-11-14 02:59:16,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:16,057 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 176 transitions. [2024-11-14 02:59:16,057 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 02:59:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 176 transitions. [2024-11-14 02:59:16,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 02:59:16,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:16,063 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:16,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:59:16,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:59:16,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:59:16,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:16,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1141737898, now seen corresponding path program 1 times [2024-11-14 02:59:16,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:59:16,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [486243050] [2024-11-14 02:59:16,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:16,265 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 02:59:16,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:59:16,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:59:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 02:59:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:17,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 02:59:17,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:59:28,279 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 25 treesize of output 13 [2024-11-14 02:59:28,554 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 25 treesize of output 13 [2024-11-14 02:59:28,764 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 02:59:28,764 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 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-14 02:59:28,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 02:59:28,988 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 40 treesize of output 32 [2024-11-14 02:59:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 02:59:29,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:59:30,292 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:59:30,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [486243050] [2024-11-14 02:59:30,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [486243050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:59:30,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1543645894] [2024-11-14 02:59:30,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:30,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:59:30,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:59:30,303 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:59:30,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 02:59:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:32,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 02:59:32,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:59:43,522 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 12 treesize of output 8 [2024-11-14 02:59:45,821 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 33 treesize of output 17 [2024-11-14 02:59:46,246 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 33 treesize of output 17 [2024-11-14 02:59:46,567 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 02:59:46,568 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 1 case distinctions, treesize of input 60 treesize of output 44 [2024-11-14 02:59:46,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 02:59:46,835 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 35 treesize of output 31 [2024-11-14 02:59:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 02:59:46,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:59:47,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1543645894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:59:47,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579642504] [2024-11-14 02:59:47,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:47,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:59:47,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:59:47,125 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:59:47,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 02:59:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:47,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 02:59:47,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:59:56,588 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 15 treesize of output 15 [2024-11-14 02:59:57,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 02:59:57,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 02:59:57,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 02:59:57,782 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 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-14 02:59:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 02:59:58,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:59:58,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579642504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:58,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:59:58,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11, 12] total 29 [2024-11-14 02:59:58,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295088957] [2024-11-14 02:59:58,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:58,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 02:59:58,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:59:58,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 02:59:58,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1127, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 02:59:58,069 INFO L87 Difference]: Start difference. First operand 122 states and 176 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:00:00,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:01,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:02,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:04,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:08,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:10,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:12,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:13,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:15,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:17,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:19,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:21,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:24,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:26,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:27,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:29,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:29,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:00:29,439 INFO L93 Difference]: Finished difference Result 289 states and 419 transitions. [2024-11-14 03:00:29,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:00:29,441 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-14 03:00:29,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:00:29,443 INFO L225 Difference]: With dead ends: 289 [2024-11-14 03:00:29,443 INFO L226 Difference]: Without dead ends: 170 [2024-11-14 03:00:29,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=156, Invalid=1326, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 03:00:29,446 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 148 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:00:29,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 649 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 575 Invalid, 8 Unknown, 0 Unchecked, 30.9s Time] [2024-11-14 03:00:29,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-14 03:00:29,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 137. [2024-11-14 03:00:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.382608695652174) internal successors, (159), 115 states have internal predecessors, (159), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:00:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2024-11-14 03:00:29,468 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 169 [2024-11-14 03:00:29,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:00:29,469 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2024-11-14 03:00:29,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:00:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2024-11-14 03:00:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 03:00:29,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:00:29,473 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:29,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 03:00:29,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:00:29,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 03:00:30,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:00:30,075 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:00:30,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:00:30,076 INFO L85 PathProgramCache]: Analyzing trace with hash 554931884, now seen corresponding path program 1 times [2024-11-14 03:00:30,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:00:30,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121449271] [2024-11-14 03:00:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:30,077 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 03:00:30,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:00:30,079 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:00:30,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:00:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:30,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 03:00:30,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:00:40,969 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 25 treesize of output 13 [2024-11-14 03:00:41,203 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 25 treesize of output 13 [2024-11-14 03:00:41,400 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 03:00:41,400 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 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-14 03:00:41,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:00:41,560 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 40 treesize of output 32 [2024-11-14 03:00:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:00:41,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:00:42,516 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:00:42,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121449271] [2024-11-14 03:00:42,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121449271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:00:42,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [726097338] [2024-11-14 03:00:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:42,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:00:42,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:00:42,520 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:00:42,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 03:00:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:44,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 03:00:44,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:00:54,102 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 03:00:55,716 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 25 treesize of output 13 [2024-11-14 03:00:56,011 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 25 treesize of output 13 [2024-11-14 03:00:56,255 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 03:00:56,256 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 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-14 03:00:56,478 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:00:56,479 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 40 treesize of output 32 [2024-11-14 03:00:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:00:56,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:00:56,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [726097338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:00:56,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113934136] [2024-11-14 03:00:56,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:56,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:00:56,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:00:56,822 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:00:56,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 03:00:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:57,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-14 03:00:57,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:01:09,589 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 25 treesize of output 13 [2024-11-14 03:01:10,002 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 25 treesize of output 13 [2024-11-14 03:01:10,518 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 03:01:10,518 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 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-14 03:01:10,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:01:10,600 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 40 treesize of output 32 [2024-11-14 03:01:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:01:10,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:01:11,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113934136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:01:11,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:01:11,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 28 [2024-11-14 03:01:11,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208382006] [2024-11-14 03:01:11,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:01:11,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-14 03:01:11,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:01:11,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-14 03:01:11,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 03:01:11,737 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand has 29 states, 26 states have (on average 7.423076923076923) internal successors, (193), 25 states have internal predecessors, (193), 6 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) [2024-11-14 03:01:13,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:01:15,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:17,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:19,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:20,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:22,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:24,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:26,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:28,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:29,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:31,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:38,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:40,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:01:45,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:49,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:51,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:01:52,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:55,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:59,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:59,033 INFO L93 Difference]: Finished difference Result 429 states and 622 transitions. [2024-11-14 03:01:59,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 03:01:59,035 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 7.423076923076923) internal successors, (193), 25 states have internal predecessors, (193), 6 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) Word has length 169 [2024-11-14 03:01:59,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:59,038 INFO L225 Difference]: With dead ends: 429 [2024-11-14 03:01:59,039 INFO L226 Difference]: Without dead ends: 295 [2024-11-14 03:01:59,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 549 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=417, Invalid=1935, Unknown=0, NotChecked=0, Total=2352 [2024-11-14 03:01:59,041 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 1221 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 2091 mSolverCounterSat, 180 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2091 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:59,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1295 Invalid, 2279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2091 Invalid, 8 Unknown, 0 Unchecked, 45.1s Time] [2024-11-14 03:01:59,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-14 03:01:59,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 253. [2024-11-14 03:01:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 212 states have (on average 1.3773584905660377) internal successors, (292), 213 states have internal predecessors, (292), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:01:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 368 transitions. [2024-11-14 03:01:59,100 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 368 transitions. Word has length 169 [2024-11-14 03:01:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:59,100 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 368 transitions. [2024-11-14 03:01:59,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 7.423076923076923) internal successors, (193), 25 states have internal predecessors, (193), 6 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) [2024-11-14 03:01:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 368 transitions. [2024-11-14 03:01:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 03:01:59,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:59,106 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:59,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 03:01:59,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:01:59,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-14 03:01:59,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:01:59,710 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:01:59,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:59,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1033416018, now seen corresponding path program 1 times [2024-11-14 03:01:59,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:01:59,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963538082] [2024-11-14 03:01:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:59,712 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 03:01:59,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:01:59,716 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:01:59,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:02:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:00,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:02:00,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:02:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:02:00,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:02:00,390 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:02:00,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963538082] [2024-11-14 03:02:00,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963538082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:00,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:00,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:02:00,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302259935] [2024-11-14 03:02:00,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:00,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:02:00,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:02:00,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:02:00,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:02:00,393 INFO L87 Difference]: Start difference. First operand 253 states and 368 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:02:00,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:00,495 INFO L93 Difference]: Finished difference Result 506 states and 739 transitions. [2024-11-14 03:02:00,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:02:00,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-14 03:02:00,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:00,500 INFO L225 Difference]: With dead ends: 506 [2024-11-14 03:02:00,500 INFO L226 Difference]: Without dead ends: 256 [2024-11-14 03:02:00,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 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 03:02:00,502 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:00,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:02:00,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-14 03:02:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-11-14 03:02:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 215 states have (on average 1.372093023255814) internal successors, (295), 216 states have internal predecessors, (295), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:02:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 371 transitions. [2024-11-14 03:02:00,544 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 371 transitions. Word has length 169 [2024-11-14 03:02:00,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:00,544 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 371 transitions. [2024-11-14 03:02:00,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:02:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 371 transitions. [2024-11-14 03:02:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 03:02:00,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:00,548 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:00,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:02:00,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:02:00,748 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:02:00,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1267406572, now seen corresponding path program 1 times [2024-11-14 03:02:00,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:02:00,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898472947] [2024-11-14 03:02:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:00,749 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 03:02:00,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:02:00,751 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:02:00,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:02:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:01,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 03:02:01,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:02:12,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:02:12,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:02:13,227 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2024-11-14 03:02:13,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 42 [2024-11-14 03:02:13,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:02:13,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 15 [2024-11-14 03:02:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:02:13,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:02:13,481 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:02:13,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898472947] [2024-11-14 03:02:13,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898472947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:13,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:13,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 03:02:13,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275704223] [2024-11-14 03:02:13,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:13,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:02:13,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:02:13,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:02:13,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:02:13,483 INFO L87 Difference]: Start difference. First operand 256 states and 371 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:02:14,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:02:16,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:20,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:22,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:02:24,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:02:26,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:28,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:02:30,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:02:32,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:02:33,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:36,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:02:37,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:37,375 INFO L93 Difference]: Finished difference Result 567 states and 821 transitions. [2024-11-14 03:02:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:02:37,376 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-14 03:02:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:37,379 INFO L225 Difference]: With dead ends: 567 [2024-11-14 03:02:37,379 INFO L226 Difference]: Without dead ends: 314 [2024-11-14 03:02:37,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:02:37,381 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 196 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:37,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 577 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 549 Invalid, 4 Unknown, 0 Unchecked, 23.6s Time] [2024-11-14 03:02:37,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-14 03:02:37,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 256. [2024-11-14 03:02:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 215 states have (on average 1.3627906976744186) internal successors, (293), 216 states have internal predecessors, (293), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:02:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 369 transitions. [2024-11-14 03:02:37,424 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 369 transitions. Word has length 169 [2024-11-14 03:02:37,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:37,425 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 369 transitions. [2024-11-14 03:02:37,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:02:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 369 transitions. [2024-11-14 03:02:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 03:02:37,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:37,429 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:37,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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)] Ended with exit code 0 [2024-11-14 03:02:37,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:02:37,629 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:02:37,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:37,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1720199080, now seen corresponding path program 1 times [2024-11-14 03:02:37,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:02:37,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43828544] [2024-11-14 03:02:37,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:37,630 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 03:02:37,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:02:37,632 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:02:37,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (14)] Waiting until timeout for monitored process [2024-11-14 03:02:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:38,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 03:02:38,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:02:49,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-14 03:02:49,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-14 03:02:50,283 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2024-11-14 03:02:50,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 43 [2024-11-14 03:02:50,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:02:50,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 16 [2024-11-14 03:02:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:02:50,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:02:50,527 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:02:50,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43828544] [2024-11-14 03:02:50,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43828544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:50,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:50,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 03:02:50,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789573367] [2024-11-14 03:02:50,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:50,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:02:50,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:02:50,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:02:50,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:02:50,529 INFO L87 Difference]: Start difference. First operand 256 states and 369 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:02:52,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:02:54,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:55,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:59,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:01,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:03:02,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:05,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:07,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:03:09,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:10,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:03:12,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:03:14,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:03:15,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:03:15,073 INFO L93 Difference]: Finished difference Result 573 states and 827 transitions. [2024-11-14 03:03:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:03:15,075 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-14 03:03:15,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:03:15,078 INFO L225 Difference]: With dead ends: 573 [2024-11-14 03:03:15,078 INFO L226 Difference]: Without dead ends: 320 [2024-11-14 03:03:15,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:03:15,080 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 247 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:03:15,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 497 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 479 Invalid, 4 Unknown, 0 Unchecked, 24.2s Time] [2024-11-14 03:03:15,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-14 03:03:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 260. [2024-11-14 03:03:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 219 states have (on average 1.360730593607306) internal successors, (298), 220 states have internal predecessors, (298), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:03:15,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 374 transitions. [2024-11-14 03:03:15,140 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 374 transitions. Word has length 169 [2024-11-14 03:03:15,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:03:15,141 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 374 transitions. [2024-11-14 03:03:15,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:03:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 374 transitions. [2024-11-14 03:03:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 03:03:15,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:03:15,145 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:15,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (14)] Ended with exit code 0 [2024-11-14 03:03:15,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:03:15,346 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:03:15,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:03:15,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1133393066, now seen corresponding path program 1 times [2024-11-14 03:03:15,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:03:15,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132635859] [2024-11-14 03:03:15,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:15,347 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 03:03:15,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:03:15,349 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:03:15,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (15)] Waiting until timeout for monitored process [2024-11-14 03:03:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:03:16,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 03:03:16,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:03:24,766 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 15 treesize of output 15 [2024-11-14 03:03:25,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:03:25,431 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2024-11-14 03:03:25,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 42 [2024-11-14 03:03:25,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:03:25,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 15 [2024-11-14 03:03:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:03:25,829 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:03:25,829 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:03:25,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132635859] [2024-11-14 03:03:25,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132635859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:03:25,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:03:25,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:03:25,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288785516] [2024-11-14 03:03:25,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:03:25,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:03:25,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:03:25,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:03:25,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:03:25,831 INFO L87 Difference]: Start difference. First operand 260 states and 374 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:03:27,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:29,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:31,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:03:33,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:03:35,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:39,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:43,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:45,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:03:49,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:51,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:53,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:56,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:58,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:00,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:02,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:04:03,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:04:03,871 INFO L93 Difference]: Finished difference Result 577 states and 830 transitions. [2024-11-14 03:04:03,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:04:03,872 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-14 03:04:03,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:04:03,875 INFO L225 Difference]: With dead ends: 577 [2024-11-14 03:04:03,875 INFO L226 Difference]: Without dead ends: 320 [2024-11-14 03:04:03,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:04:03,876 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 188 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 4 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:04:03,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 894 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 824 Invalid, 11 Unknown, 0 Unchecked, 37.5s Time] [2024-11-14 03:04:03,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-14 03:04:03,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 258. [2024-11-14 03:04:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 217 states have (on average 1.359447004608295) internal successors, (295), 218 states have internal predecessors, (295), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:04:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 371 transitions. [2024-11-14 03:04:03,927 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 371 transitions. Word has length 169 [2024-11-14 03:04:03,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:04:03,928 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 371 transitions. [2024-11-14 03:04:03,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:04:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 371 transitions. [2024-11-14 03:04:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:04:03,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:04:03,931 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:03,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (15)] Ended with exit code 0 [2024-11-14 03:04:04,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:04:04,131 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:04:04,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:04:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1939288255, now seen corresponding path program 1 times [2024-11-14 03:04:04,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:04:04,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68122963] [2024-11-14 03:04:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:04:04,133 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 03:04:04,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:04:04,135 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:04:04,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (16)] Waiting until timeout for monitored process [2024-11-14 03:04:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:04:05,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 03:04:05,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:04:16,519 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 15 treesize of output 15 [2024-11-14 03:04:16,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:04:17,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:04:17,573 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-11-14 03:04:17,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 66 [2024-11-14 03:04:17,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:04:17,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 70 [2024-11-14 03:04:17,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-11-14 03:04:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:04:18,268 INFO L349 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2024-11-14 03:04:18,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 92 [2024-11-14 03:04:18,447 INFO L349 Elim1Store]: treesize reduction 28, result has 39.1 percent of original size [2024-11-14 03:04:18,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 44 [2024-11-14 03:04:19,183 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:04:19,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 24 [2024-11-14 03:04:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:04:19,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:04:19,337 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:04:19,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68122963] [2024-11-14 03:04:19,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68122963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:04:19,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:04:19,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 03:04:19,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885651290] [2024-11-14 03:04:19,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:04:19,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:04:19,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:04:19,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:04:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:04:19,340 INFO L87 Difference]: Start difference. First operand 258 states and 371 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:04:21,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:23,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:25,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:27,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:29,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:30,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:34,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:36,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:39,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:41,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:44,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:46,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:48,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:50,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:52,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:54,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:56,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:59,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:04:59,798 INFO L93 Difference]: Finished difference Result 610 states and 874 transitions. [2024-11-14 03:04:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:04:59,800 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-14 03:04:59,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:04:59,803 INFO L225 Difference]: With dead ends: 610 [2024-11-14 03:04:59,803 INFO L226 Difference]: Without dead ends: 355 [2024-11-14 03:04:59,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:04:59,805 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 225 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 4 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:04:59,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 729 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 717 Invalid, 13 Unknown, 0 Unchecked, 39.7s Time] [2024-11-14 03:04:59,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-14 03:04:59,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 260. [2024-11-14 03:04:59,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 219 states have (on average 1.360730593607306) internal successors, (298), 220 states have internal predecessors, (298), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:04:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 374 transitions. [2024-11-14 03:04:59,855 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 374 transitions. Word has length 171 [2024-11-14 03:04:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:04:59,856 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 374 transitions. [2024-11-14 03:04:59,856 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:04:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 374 transitions. [2024-11-14 03:04:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:04:59,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:04:59,858 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:59,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (16)] Forceful destruction successful, exit code 0 [2024-11-14 03:05:00,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:05:00,058 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:00,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:00,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1352482241, now seen corresponding path program 1 times [2024-11-14 03:05:00,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:05:00,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861973674] [2024-11-14 03:05:00,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:00,059 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 03:05:00,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:05:00,061 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:05:00,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (17)] Waiting until timeout for monitored process [2024-11-14 03:05:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:05:01,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 03:05:01,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:05:16,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:05:16,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:05:16,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:05:17,243 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-11-14 03:05:17,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 59 [2024-11-14 03:05:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:05:17,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 70 [2024-11-14 03:05:17,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-14 03:05:17,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:05:17,917 INFO L349 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2024-11-14 03:05:17,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 92 [2024-11-14 03:05:18,303 INFO L349 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2024-11-14 03:05:18,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 57 [2024-11-14 03:05:18,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:05:18,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 24 [2024-11-14 03:05:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:05:18,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:05:18,729 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:05:18,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861973674] [2024-11-14 03:05:18,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861973674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:05:18,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:05:18,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:05:18,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587576293] [2024-11-14 03:05:18,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:05:18,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:05:18,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:05:18,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:05:18,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:05:18,730 INFO L87 Difference]: Start difference. First operand 260 states and 374 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:05:20,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:24,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:26,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:27,607 WARN L539 Checker$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 03:05:29,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:31,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:34,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:36,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:38,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:40,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:42,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:45,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:46,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:47,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:47,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:47,886 INFO L93 Difference]: Finished difference Result 612 states and 875 transitions. [2024-11-14 03:05:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:05:47,888 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-14 03:05:47,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:47,890 INFO L225 Difference]: With dead ends: 612 [2024-11-14 03:05:47,890 INFO L226 Difference]: Without dead ends: 355 [2024-11-14 03:05:47,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-14 03:05:47,892 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 192 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 8 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:05:47,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 699 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 793 Invalid, 6 Unknown, 0 Unchecked, 28.5s Time] [2024-11-14 03:05:47,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-14 03:05:47,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 258. [2024-11-14 03:05:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 217 states have (on average 1.359447004608295) internal successors, (295), 218 states have internal predecessors, (295), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:05:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 371 transitions. [2024-11-14 03:05:47,955 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 371 transitions. Word has length 171 [2024-11-14 03:05:47,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:47,956 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 371 transitions. [2024-11-14 03:05:47,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:05:47,956 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 371 transitions. [2024-11-14 03:05:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:05:47,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:47,959 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:47,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (17)] Ended with exit code 0 [2024-11-14 03:05:48,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:05:48,160 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:48,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:48,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1212902044, now seen corresponding path program 1 times [2024-11-14 03:05:48,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:05:48,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190936595] [2024-11-14 03:05:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:48,161 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 03:05:48,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:05:48,163 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:05:48,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (18)] Waiting until timeout for monitored process [2024-11-14 03:05:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:05:49,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:05:49,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:05:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:05:49,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:05:49,276 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:05:49,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190936595] [2024-11-14 03:05:49,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190936595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:05:49,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:05:49,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:05:49,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495221936] [2024-11-14 03:05:49,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:05:49,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:05:49,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:05:49,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:05:49,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:05:49,278 INFO L87 Difference]: Start difference. First operand 258 states and 371 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:05:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:49,466 INFO L93 Difference]: Finished difference Result 519 states and 747 transitions. [2024-11-14 03:05:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:05:49,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-14 03:05:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:49,470 INFO L225 Difference]: With dead ends: 519 [2024-11-14 03:05:49,470 INFO L226 Difference]: Without dead ends: 264 [2024-11-14 03:05:49,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:05:49,472 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:05:49,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 667 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:05:49,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-14 03:05:49,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-11-14 03:05:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 223 states have (on average 1.3497757847533631) internal successors, (301), 224 states have internal predecessors, (301), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:05:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 377 transitions. [2024-11-14 03:05:49,526 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 377 transitions. Word has length 171 [2024-11-14 03:05:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:49,527 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 377 transitions. [2024-11-14 03:05:49,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:05:49,527 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2024-11-14 03:05:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:05:49,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:49,529 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:49,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (18)] Ended with exit code 0 [2024-11-14 03:05:49,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:05:49,733 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:49,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:49,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1389591343, now seen corresponding path program 1 times [2024-11-14 03:05:49,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:05:49,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701965151] [2024-11-14 03:05:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:49,735 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 03:05:49,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:05:49,737 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:05:49,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (19)] Waiting until timeout for monitored process [2024-11-14 03:05:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:05:50,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 03:05:50,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:06:03,862 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 25 treesize of output 13 [2024-11-14 03:06:04,129 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 25 treesize of output 13 [2024-11-14 03:06:04,323 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 25 treesize of output 13 [2024-11-14 03:06:04,500 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 03:06:04,501 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 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-14 03:06:04,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:06:04,655 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 40 treesize of output 32 [2024-11-14 03:06:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:06:04,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:06:06,200 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:06:06,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701965151] [2024-11-14 03:06:06,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701965151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:06:06,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [129957040] [2024-11-14 03:06:06,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:06:06,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:06:06,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:06:06,202 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:06:06,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-14 03:06:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:06:08,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-14 03:06:08,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:06:20,777 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 12 treesize of output 8 [2024-11-14 03:06:23,310 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 33 treesize of output 17 [2024-11-14 03:06:23,668 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 33 treesize of output 17 [2024-11-14 03:06:23,991 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 33 treesize of output 17 [2024-11-14 03:06:24,264 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 03:06:24,264 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 1 case distinctions, treesize of input 69 treesize of output 49 [2024-11-14 03:06:24,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:06:24,588 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 44 treesize of output 36 [2024-11-14 03:06:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 03:06:24,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:06:25,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [129957040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:06:25,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712602961] [2024-11-14 03:06:25,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:06:25,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:06:25,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:06:25,267 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:06:25,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-14 03:06:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:06:25,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 03:06:25,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:06:36,884 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 15 treesize of output 15 [2024-11-14 03:06:37,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:06:37,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:06:38,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:06:38,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:06:38,452 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 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-14 03:06:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:06:38,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:06:38,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712602961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:06:38,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 03:06:38,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12, 13] total 32 [2024-11-14 03:06:38,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960993203] [2024-11-14 03:06:38,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:06:38,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:06:38,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:06:38,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:06:38,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1395, Unknown=0, NotChecked=0, Total=1560 [2024-11-14 03:06:38,737 INFO L87 Difference]: Start difference. First operand 264 states and 377 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:06:40,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:42,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:44,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:46,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:48,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:52,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:54,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:56,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:59,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:01,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:05,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:06,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:09,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:11,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:13,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:15,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:17,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:19,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:20,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:07:20,100 INFO L93 Difference]: Finished difference Result 611 states and 870 transitions. [2024-11-14 03:07:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:07:20,101 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-14 03:07:20,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:07:20,103 INFO L225 Difference]: With dead ends: 611 [2024-11-14 03:07:20,104 INFO L226 Difference]: Without dead ends: 350 [2024-11-14 03:07:20,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 529 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=191, Invalid=1615, Unknown=0, NotChecked=0, Total=1806 [2024-11-14 03:07:20,106 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 148 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 4 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:07:20,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 712 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 686 Invalid, 13 Unknown, 0 Unchecked, 40.8s Time] [2024-11-14 03:07:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-14 03:07:20,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 278. [2024-11-14 03:07:20,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 237 states have (on average 1.3628691983122363) internal successors, (323), 238 states have internal predecessors, (323), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:07:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 399 transitions. [2024-11-14 03:07:20,162 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 399 transitions. Word has length 171 [2024-11-14 03:07:20,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:07:20,164 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 399 transitions. [2024-11-14 03:07:20,164 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:07:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 399 transitions. [2024-11-14 03:07:20,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:07:20,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:07:20,167 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:20,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (19)] Ended with exit code 0 [2024-11-14 03:07:20,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-14 03:07:20,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-14 03:07:20,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:07:20,768 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:07:20,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:07:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash 802785329, now seen corresponding path program 1 times [2024-11-14 03:07:20,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:07:20,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756493454] [2024-11-14 03:07:20,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:20,769 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 03:07:20,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:07:20,772 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:07:20,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (22)] Waiting until timeout for monitored process [2024-11-14 03:07:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:07:21,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 03:07:21,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:07:34,339 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 25 treesize of output 13 [2024-11-14 03:07:34,564 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 25 treesize of output 13 [2024-11-14 03:07:34,754 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 25 treesize of output 13 [2024-11-14 03:07:34,913 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 03:07:34,913 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 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-14 03:07:35,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:07:35,070 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 40 treesize of output 32 [2024-11-14 03:07:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:07:35,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:07:36,709 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:07:36,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756493454] [2024-11-14 03:07:36,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756493454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:07:36,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2106659501] [2024-11-14 03:07:36,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:36,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:07:36,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:07:36,711 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:07:36,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-14 03:07:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:07:38,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-14 03:07:38,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:07:51,637 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 12 treesize of output 8 [2024-11-14 03:07:54,229 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 33 treesize of output 17 [2024-11-14 03:07:54,556 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 33 treesize of output 17 [2024-11-14 03:07:54,877 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 24 treesize of output 12 [2024-11-14 03:07:55,178 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 03:07:55,178 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 1 case distinctions, treesize of input 60 treesize of output 44 [2024-11-14 03:07:55,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:07:55,399 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 35 treesize of output 31 [2024-11-14 03:07:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 03:07:55,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:07:55,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2106659501] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:07:55,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805672423] [2024-11-14 03:07:55,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:55,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:07:55,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:07:55,907 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:07:55,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-14 03:07:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:07:56,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-14 03:07:56,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:08:12,720 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 25 treesize of output 13 [2024-11-14 03:08:13,314 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 25 treesize of output 13 [2024-11-14 03:08:13,714 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 25 treesize of output 13 [2024-11-14 03:08:14,410 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 03:08:14,410 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 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-14 03:08:14,477 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:08:14,477 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 40 treesize of output 32 [2024-11-14 03:08:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 03:08:14,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:08:16,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805672423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:08:16,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:08:16,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 32 [2024-11-14 03:08:16,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278111667] [2024-11-14 03:08:16,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:08:16,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 03:08:16,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:08:17,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 03:08:17,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1425, Unknown=0, NotChecked=0, Total=1640 [2024-11-14 03:08:17,001 INFO L87 Difference]: Start difference. First operand 278 states and 399 transitions. Second operand has 33 states, 30 states have (on average 6.733333333333333) internal successors, (202), 29 states have internal predecessors, (202), 7 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60) [2024-11-14 03:08:18,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:20,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:22,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:24,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:26,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:27,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:29,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:31,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:32,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:34,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:35,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:37,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:38,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:40,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:47,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:49,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:51,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:53,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:08:55,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:01,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:03,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:05,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:07,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:09,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:11,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:12,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:15,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:19,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:21,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:23,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:09:23,866 INFO L93 Difference]: Finished difference Result 714 states and 1019 transitions. [2024-11-14 03:09:23,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 03:09:23,868 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 30 states have (on average 6.733333333333333) internal successors, (202), 29 states have internal predecessors, (202), 7 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60) Word has length 171 [2024-11-14 03:09:23,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:09:23,871 INFO L225 Difference]: With dead ends: 714 [2024-11-14 03:09:23,871 INFO L226 Difference]: Without dead ends: 439 [2024-11-14 03:09:23,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 554 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=502, Invalid=2360, Unknown=0, NotChecked=0, Total=2862 [2024-11-14 03:09:23,874 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 1603 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 578 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 578 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:09:23,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1603 Valid, 1124 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [578 Valid, 1694 Invalid, 16 Unknown, 0 Unchecked, 64.2s Time] [2024-11-14 03:09:23,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-14 03:09:23,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 292. [2024-11-14 03:09:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 251 states have (on average 1.3705179282868525) internal successors, (344), 252 states have internal predecessors, (344), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:09:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 420 transitions. [2024-11-14 03:09:23,940 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 420 transitions. Word has length 171 [2024-11-14 03:09:23,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:09:23,940 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 420 transitions. [2024-11-14 03:09:23,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 30 states have (on average 6.733333333333333) internal successors, (202), 29 states have internal predecessors, (202), 7 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60) [2024-11-14 03:09:23,941 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 420 transitions. [2024-11-14 03:09:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:09:23,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:09:23,942 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:23,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (22)] Forceful destruction successful, exit code 0 [2024-11-14 03:09:24,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-14 03:09:24,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-14 03:09:24,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:09:24,544 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:09:24,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:09:24,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1515260017, now seen corresponding path program 1 times [2024-11-14 03:09:24,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:09:24,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164204954] [2024-11-14 03:09:24,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:09:24,545 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 03:09:24,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:09:24,547 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:09:24,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (25)] Waiting until timeout for monitored process [2024-11-14 03:09:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:09:25,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-14 03:09:25,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:09:40,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:09:40,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:09:41,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:09:41,445 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2024-11-14 03:09:41,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 42 [2024-11-14 03:09:41,678 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:09:41,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 15 [2024-11-14 03:09:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:09:41,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:09:41,742 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:09:41,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164204954] [2024-11-14 03:09:41,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164204954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:09:41,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:09:41,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 03:09:41,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551167947] [2024-11-14 03:09:41,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:09:41,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:09:41,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:09:41,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:09:41,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:09:41,744 INFO L87 Difference]: Start difference. First operand 292 states and 420 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:09:42,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:44,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:49,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:51,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:09:53,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:55,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:57,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:59,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:10:01,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:03,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:10:06,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:10:08,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:10:09,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:10:11,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:13,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:10:13,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:10:13,432 INFO L93 Difference]: Finished difference Result 649 states and 928 transitions. [2024-11-14 03:10:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:10:13,434 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-14 03:10:13,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:10:13,437 INFO L225 Difference]: With dead ends: 649 [2024-11-14 03:10:13,437 INFO L226 Difference]: Without dead ends: 360 [2024-11-14 03:10:13,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:10:13,438 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 339 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 17 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:10:13,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 543 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 463 Invalid, 9 Unknown, 0 Unchecked, 31.0s Time] [2024-11-14 03:10:13,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-14 03:10:13,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 288. [2024-11-14 03:10:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 247 states have (on average 1.3643724696356276) internal successors, (337), 248 states have internal predecessors, (337), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:10:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 413 transitions. [2024-11-14 03:10:13,502 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 413 transitions. Word has length 171 [2024-11-14 03:10:13,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:10:13,503 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 413 transitions. [2024-11-14 03:10:13,503 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:10:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 413 transitions. [2024-11-14 03:10:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:10:13,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:10:13,507 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:13,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (25)] Ended with exit code 0 [2024-11-14 03:10:13,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:10:13,708 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:10:13,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:10:13,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2001327869, now seen corresponding path program 1 times [2024-11-14 03:10:13,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:10:13,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295684805] [2024-11-14 03:10:13,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:10:13,709 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 03:10:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:10:13,711 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:10:13,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (26)] Waiting until timeout for monitored process [2024-11-14 03:10:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:10:14,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 03:10:14,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:10:29,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-14 03:10:30,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-14 03:10:30,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-14 03:10:30,648 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-11-14 03:10:30,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 60 [2024-11-14 03:10:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:10:30,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 71 [2024-11-14 03:10:30,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-14 03:10:31,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:10:31,203 INFO L349 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2024-11-14 03:10:31,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 43 treesize of output 93 [2024-11-14 03:10:31,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-14 03:10:31,679 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:10:31,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 26 [2024-11-14 03:10:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:10:31,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:10:31,734 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:10:31,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295684805] [2024-11-14 03:10:31,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295684805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:10:31,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:10:31,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:10:31,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468768819] [2024-11-14 03:10:31,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:10:31,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:10:31,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:10:31,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:10:31,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:10:31,736 INFO L87 Difference]: Start difference. First operand 288 states and 413 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:10:33,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:35,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:36,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:38,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:40,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:43,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:44,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:47,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:52,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:53,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:56,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:58,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:01,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:03,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:04,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:04,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:11:04,919 INFO L93 Difference]: Finished difference Result 675 states and 961 transitions. [2024-11-14 03:11:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:11:04,921 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-14 03:11:04,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:11:04,924 INFO L225 Difference]: With dead ends: 675 [2024-11-14 03:11:04,924 INFO L226 Difference]: Without dead ends: 390 [2024-11-14 03:11:04,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-14 03:11:04,926 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 394 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 12 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:11:04,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 544 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 521 Invalid, 4 Unknown, 0 Unchecked, 32.6s Time] [2024-11-14 03:11:04,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-14 03:11:04,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 290. [2024-11-14 03:11:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 249 states have (on average 1.3614457831325302) internal successors, (339), 250 states have internal predecessors, (339), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:11:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 415 transitions. [2024-11-14 03:11:04,997 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 415 transitions. Word has length 171 [2024-11-14 03:11:04,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:11:04,997 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 415 transitions. [2024-11-14 03:11:04,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:11:04,998 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 415 transitions. [2024-11-14 03:11:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:11:04,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:05,000 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:05,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (26)] Forceful destruction successful, exit code 0 [2024-11-14 03:11:05,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:11:05,200 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:11:05,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:05,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1414521855, now seen corresponding path program 1 times [2024-11-14 03:11:05,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:11:05,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572244708] [2024-11-14 03:11:05,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:05,202 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 03:11:05,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:11:05,204 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:11:05,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (27)] Waiting until timeout for monitored process [2024-11-14 03:11:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:11:06,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 03:11:06,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:11:17,820 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 15 treesize of output 15 [2024-11-14 03:11:18,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:11:18,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-14 03:11:18,894 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-11-14 03:11:18,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 66 [2024-11-14 03:11:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:11:18,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 70 [2024-11-14 03:11:19,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-11-14 03:11:19,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:11:19,569 INFO L349 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2024-11-14 03:11:19,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 92 [2024-11-14 03:11:20,015 INFO L349 Elim1Store]: treesize reduction 72, result has 35.1 percent of original size [2024-11-14 03:11:20,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 74 [2024-11-14 03:11:20,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:11:20,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 24 [2024-11-14 03:11:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:11:20,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:11:20,598 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:11:20,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572244708] [2024-11-14 03:11:20,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572244708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:11:20,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:11:20,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 03:11:20,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469884151] [2024-11-14 03:11:20,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:11:20,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:11:20,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:11:20,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:11:20,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:11:20,600 INFO L87 Difference]: Start difference. First operand 290 states and 415 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:11:22,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:24,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:25,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:27,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:29,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:33,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:34,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:37,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:39,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:41,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:44,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:46,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:47,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:50,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:52,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:55,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:57,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:11:59,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:00,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:12:00,371 INFO L93 Difference]: Finished difference Result 677 states and 962 transitions. [2024-11-14 03:12:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:12:00,372 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-14 03:12:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:12:00,375 INFO L225 Difference]: With dead ends: 677 [2024-11-14 03:12:00,375 INFO L226 Difference]: Without dead ends: 390 [2024-11-14 03:12:00,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:12:00,377 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 239 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:12:00,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1036 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 946 Invalid, 7 Unknown, 0 Unchecked, 39.1s Time] [2024-11-14 03:12:00,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-14 03:12:00,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 288. [2024-11-14 03:12:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 247 states have (on average 1.3643724696356276) internal successors, (337), 248 states have internal predecessors, (337), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 03:12:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 413 transitions. [2024-11-14 03:12:00,446 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 413 transitions. Word has length 171 [2024-11-14 03:12:00,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:12:00,446 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 413 transitions. [2024-11-14 03:12:00,447 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:12:00,447 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 413 transitions. [2024-11-14 03:12:00,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:12:00,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:12:00,449 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:12:00,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (27)] Ended with exit code 0 [2024-11-14 03:12:00,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:12:00,649 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:12:00,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:12:00,650 INFO L85 PathProgramCache]: Analyzing trace with hash -2130861651, now seen corresponding path program 1 times [2024-11-14 03:12:00,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:12:00,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962318191] [2024-11-14 03:12:00,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:12:00,651 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 03:12:00,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:12:00,653 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 03:12:00,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a30bf6-c7ad-4459-acc9-ad1de0f11832/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 (28)] Waiting until timeout for monitored process [2024-11-14 03:12:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:12:01,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 03:12:01,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:12:07,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-14 03:12:07,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:12:07,338 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 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-14 03:12:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:12:07,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:12:07,379 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:12:07,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962318191] [2024-11-14 03:12:07,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962318191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:12:07,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:12:07,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:12:07,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099094066] [2024-11-14 03:12:07,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:12:07,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:12:07,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:12:07,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:12:07,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:12:07,381 INFO L87 Difference]: Start difference. First operand 288 states and 413 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:12:08,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:10,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:11,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:14,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:16,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:19,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:20,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:23,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []