./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.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_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 70562da18636cefe71b678cd2257e55ff14c212499b21f4a61292b200a6210e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:46:12,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:46:12,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:46:12,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:46:12,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:46:12,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:46:12,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:46:12,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:46:12,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:46:12,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:46:12,448 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:46:12,448 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:46:12,448 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:46:12,448 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:46:12,448 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:46:12,448 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:46:12,449 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:46:12,449 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:46:12,452 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:46:12,452 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:46:12,452 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:46:12,452 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:46:12,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:46:12,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:46:12,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:46:12,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:46:12,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:46:12,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:46:12,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:46:12,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:46:12,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:46:12,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:46:12,455 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:46:12,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:46:12,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:46:12,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:46:12,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:46:12,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:46:12,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:46:12,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:46:12,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:46:12,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:46:12,458 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:46:12,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:46:12,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:46:12,458 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:46:12,458 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:46:12,458 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_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 -> 70562da18636cefe71b678cd2257e55ff14c212499b21f4a61292b200a6210e2 [2024-11-13 23:46:12,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:46:12,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:46:12,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:46:12,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:46:12,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:46:12,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i Unable to find full path for "g++" [2024-11-13 23:46:15,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:46:15,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:46:15,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i [2024-11-13 23:46:15,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/data/b1e5fb9e6/a0db699aa2b1439cba33620b87c32085/FLAGabd9d3712 [2024-11-13 23:46:15,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/data/b1e5fb9e6/a0db699aa2b1439cba33620b87c32085 [2024-11-13 23:46:15,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:46:15,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:46:15,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:46:15,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:46:15,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:46:15,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:15" (1/1) ... [2024-11-13 23:46:15,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ccfcd2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:15, skipping insertion in model container [2024-11-13 23:46:15,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:15" (1/1) ... [2024-11-13 23:46:15,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:46:15,802 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_0754b913-7fc3-45d3-a4fc-6c2540191be4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i[916,929] [2024-11-13 23:46:15,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:46:15,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:46:15,969 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_0754b913-7fc3-45d3-a4fc-6c2540191be4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i[916,929] [2024-11-13 23:46:16,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:46:16,081 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:46:16,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16 WrapperNode [2024-11-13 23:46:16,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:46:16,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:46:16,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:46:16,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:46:16,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,174 INFO L138 Inliner]: procedures = 29, calls = 187, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 557 [2024-11-13 23:46:16,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:46:16,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:46:16,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:46:16,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:46:16,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:46:16,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:46:16,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:46:16,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:46:16,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (1/1) ... [2024-11-13 23:46:16,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:46:16,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:46:16,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:46:16,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:46:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:46:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:46:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 23:46:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 23:46:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:46:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 23:46:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:46:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:46:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:46:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:46:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:46:16,535 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:46:16,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:46:17,348 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-13 23:46:17,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:46:18,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:46:18,152 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:46:18,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:18 BoogieIcfgContainer [2024-11-13 23:46:18,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:46:18,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:46:18,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:46:18,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:46:18,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:46:15" (1/3) ... [2024-11-13 23:46:18,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f8228b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:46:18, skipping insertion in model container [2024-11-13 23:46:18,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:16" (2/3) ... [2024-11-13 23:46:18,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f8228b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:46:18, skipping insertion in model container [2024-11-13 23:46:18,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:18" (3/3) ... [2024-11-13 23:46:18,165 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-99.i [2024-11-13 23:46:18,188 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:46:18,189 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-99.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:46:18,274 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:46:18,293 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;@926270d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:46:18,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:46:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:46:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 23:46:18,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:18,312 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:18,313 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:18,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:18,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1651277098, now seen corresponding path program 1 times [2024-11-13 23:46:18,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:18,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091238404] [2024-11-13 23:46:18,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:46:19,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343304710] [2024-11-13 23:46:19,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:19,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:46:19,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:46:19,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:46:19,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:46:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:46:21,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:46:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:46:21,822 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:46:21,824 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:46:21,826 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:46:21,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:46:22,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:46:22,033 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:46:22,119 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:46:22,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:46:22 BoogieIcfgContainer [2024-11-13 23:46:22,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:46:22,129 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:46:22,129 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:46:22,129 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:46:22,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:18" (3/4) ... [2024-11-13 23:46:22,134 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:46:22,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:46:22,140 INFO L158 Benchmark]: Toolchain (without parser) took 6575.69ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 92.4MB in the beginning and 75.6MB in the end (delta: 16.8MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2024-11-13 23:46:22,141 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:22,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.09ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 77.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:46:22,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.85ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:22,144 INFO L158 Benchmark]: Boogie Preprocessor took 105.52ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 70.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:46:22,145 INFO L158 Benchmark]: RCFGBuilder took 1868.63ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 74.0MB in the end (delta: -3.6MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-13 23:46:22,145 INFO L158 Benchmark]: TraceAbstraction took 3971.52ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 73.2MB in the beginning and 75.6MB in the end (delta: -2.4MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-13 23:46:22,146 INFO L158 Benchmark]: Witness Printer took 7.28ms. Allocated memory is still 167.8MB. Free memory was 75.6MB in the beginning and 75.6MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:22,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.09ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 77.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.85ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 105.52ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 70.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1868.63ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 74.0MB in the end (delta: -3.6MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3971.52ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 73.2MB in the beginning and 75.6MB in the end (delta: -2.4MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Witness Printer took 7.28ms. Allocated memory is still 167.8MB. Free memory was 75.6MB in the beginning and 75.6MB in the end (delta: 21.6kB). 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 77, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L28-L30] signed long int signed_long_int_Array_0[5] = { 256, 25, 0, -50, -5 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 2 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 16 }; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L68] float_Array_0[0] = __VERIFIER_nondet_float() [L69] EXPR float_Array_0[0] [L69] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F [L69] EXPR float_Array_0[0] [L69] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F [L69] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] CALL assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L70] float_Array_0[1] = __VERIFIER_nondet_float() [L71] EXPR float_Array_0[1] [L71] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F [L71] EXPR float_Array_0[1] [L71] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F [L71] EXPR (float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] CALL assume_abort_if_not((float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] float_Array_0[2] = __VERIFIER_nondet_float() [L73] EXPR float_Array_0[2] [L73] EXPR float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F [L73] EXPR float_Array_0[2] [L73] EXPR float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F [L73] EXPR (float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] CALL assume_abort_if_not((float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] float_Array_0[3] = __VERIFIER_nondet_float() [L75] EXPR float_Array_0[3] [L75] EXPR float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F [L75] EXPR float_Array_0[3] [L75] EXPR float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F [L75] EXPR (float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] CALL assume_abort_if_not((float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] float_Array_0[4] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[4] [L77] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F [L77] EXPR float_Array_0[4] [L77] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F [L77] EXPR (float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] float_Array_0[5] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[5] [L79] EXPR float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F [L79] EXPR float_Array_0[5] [L79] EXPR float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F [L79] EXPR (float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F) || (float_Array_0[5] <= 9223372.036854765600e+12F && float_Array_0[5] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F) || (float_Array_0[5] <= 9223372.036854765600e+12F && float_Array_0[5] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F) || (float_Array_0[5] <= 9223372.036854765600e+12F && float_Array_0[5] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L81] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L84] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] signed_long_int_Array_0[3] = __VERIFIER_nondet_long() [L87] EXPR signed_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[3] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_long_int_Array_0[3] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] EXPR signed_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[3] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_long_int_Array_0[3] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L90] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(signed_short_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L94] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L108] RET updateVariables() [L109] CALL step() [L40] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); [L41] EXPR unsigned_char_Array_0[0] [L41] COND TRUE (((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > stepLocal_0 [L42] EXPR float_Array_0[5] [L42] EXPR float_Array_0[4] [L42] EXPR ((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]) [L42] EXPR float_Array_0[5] [L42] EXPR ((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]) [L42] EXPR float_Array_0[3] [L42] float_Array_0[6] = (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]) [L48] EXPR float_Array_0[4] [L48] EXPR float_Array_0[3] [L48] EXPR float_Array_0[6] [L48] COND TRUE (float_Array_0[4] + float_Array_0[3]) == float_Array_0[6] [L49] EXPR unsigned_char_Array_0[0] [L49] EXPR signed_long_int_Array_0[0] [L49] EXPR ((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]) [L49] EXPR unsigned_char_Array_0[0] [L49] EXPR ((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]) [L49] EXPR signed_long_int_Array_0[1] [L49] signed_long_int_Array_0[2] = (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]) [L53] EXPR signed_long_int_Array_0[0] [L53] EXPR signed_short_int_Array_0[0] [L53] signed long int stepLocal_1 = signed_long_int_Array_0[0] % signed_short_int_Array_0[0]; [L54] EXPR float_Array_0[0] [L54] EXPR float_Array_0[5] [L54] COND TRUE float_Array_0[0] == float_Array_0[5] [L55] EXPR signed_long_int_Array_0[1] [L55] signed_long_int_Array_0[4] = signed_long_int_Array_0[1] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR unsigned_char_Array_0[0] [L100] EXPR ((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1) [L100] EXPR float_Array_0[6] [L100] EXPR float_Array_0[5] [L100] EXPR float_Array_0[4] [L100] EXPR ((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]) [L100] EXPR float_Array_0[4] [L100] EXPR ((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]) [L100] EXPR float_Array_0[3] [L100] EXPR ((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1) [L100] EXPR (((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1)) && (((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_long_int_Array_0[1]))) [L100] EXPR ((((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1)) && (((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_long_int_Array_0[1])))) && ((float_Array_0[0] == float_Array_0[5]) ? (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[1])) : (((signed_long_int_Array_0[0] % signed_short_int_Array_0[0]) != signed_long_int_Array_0[1]) ? (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) > (signed_long_int_Array_0[1])) ? (((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) : (signed_long_int_Array_0[1]))))) : (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[3])))) [L100-L101] return ((((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1)) && (((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_long_int_Array_0[1])))) && ((float_Array_0[0] == float_Array_0[5]) ? (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[1])) : (((signed_long_int_Array_0[0] % signed_short_int_Array_0[0]) != signed_long_int_Array_0[1]) ? (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) > (signed_long_int_Array_0[1])) ? (((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) : (signed_long_int_Array_0[1]))))) : (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[3])))) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:46:22,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 70562da18636cefe71b678cd2257e55ff14c212499b21f4a61292b200a6210e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:46:25,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:46:25,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:46:25,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:46:25,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:46:25,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:46:25,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:46:25,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:46:25,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:46:25,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:46:25,419 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:46:25,419 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:46:25,419 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:46:25,419 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:46:25,420 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:46:25,420 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:46:25,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:46:25,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:46:25,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:46:25,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:46:25,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:46:25,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:46:25,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:46:25,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:46:25,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:46:25,422 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:46:25,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:46:25,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:46:25,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:46:25,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:46:25,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:46:25,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:46:25,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:46:25,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:46:25,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:46:25,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:46:25,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:46:25,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:46:25,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:46:25,424 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:46:25,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:46:25,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:46:25,425 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:46:25,425 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_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 -> 70562da18636cefe71b678cd2257e55ff14c212499b21f4a61292b200a6210e2 [2024-11-13 23:46:25,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:46:25,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:46:25,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:46:25,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:46:25,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:46:25,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i Unable to find full path for "g++" [2024-11-13 23:46:27,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:46:28,133 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:46:28,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i [2024-11-13 23:46:28,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/data/db86fbee1/8aad4c82a78a401f9ff8090c332c6a8d/FLAG92552d082 [2024-11-13 23:46:28,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/data/db86fbee1/8aad4c82a78a401f9ff8090c332c6a8d [2024-11-13 23:46:28,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:46:28,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:46:28,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:46:28,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:46:28,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:46:28,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f8db9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28, skipping insertion in model container [2024-11-13 23:46:28,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:46:28,432 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_0754b913-7fc3-45d3-a4fc-6c2540191be4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i[916,929] [2024-11-13 23:46:28,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:46:28,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:46:28,614 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_0754b913-7fc3-45d3-a4fc-6c2540191be4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i[916,929] [2024-11-13 23:46:28,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:46:28,715 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:46:28,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28 WrapperNode [2024-11-13 23:46:28,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:46:28,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:46:28,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:46:28,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:46:28,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,783 INFO L138 Inliner]: procedures = 36, calls = 187, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 553 [2024-11-13 23:46:28,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:46:28,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:46:28,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:46:28,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:46:28,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:46:28,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:46:28,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:46:28,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:46:28,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (1/1) ... [2024-11-13 23:46:28,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:46:28,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:46:28,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:46:28,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:46:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:46:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-13 23:46:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-13 23:46:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:46:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 23:46:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 23:46:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:46:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-13 23:46:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 23:46:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-13 23:46:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:46:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:46:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:46:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:46:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 23:46:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-13 23:46:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:46:29,143 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:46:29,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:46:30,833 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-13 23:46:30,833 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:46:30,852 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:46:30,853 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:46:30,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:30 BoogieIcfgContainer [2024-11-13 23:46:30,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:46:30,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:46:30,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:46:30,862 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:46:30,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:46:28" (1/3) ... [2024-11-13 23:46:30,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cc9d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:46:30, skipping insertion in model container [2024-11-13 23:46:30,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:28" (2/3) ... [2024-11-13 23:46:30,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cc9d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:46:30, skipping insertion in model container [2024-11-13 23:46:30,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:30" (3/3) ... [2024-11-13 23:46:30,867 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-99.i [2024-11-13 23:46:30,882 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:46:30,885 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-99.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:46:30,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:46:30,961 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;@25eea21d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:46:30,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:46:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:46:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 23:46:30,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:30,979 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:30,980 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:30,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:30,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1284721653, now seen corresponding path program 1 times [2024-11-13 23:46:30,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:46:30,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702803302] [2024-11-13 23:46:30,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:30,998 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 [2024-11-13 23:46:30,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:46:31,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:46:31,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:31,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:46:31,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-13 23:46:31,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:46:31,855 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:46:31,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702803302] [2024-11-13 23:46:31,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702803302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:31,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:31,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:46:31,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660423075] [2024-11-13 23:46:31,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:31,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:46:31,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:46:31,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:46:31,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:46:31,898 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:31,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:31,940 INFO L93 Difference]: Finished difference Result 243 states and 381 transitions. [2024-11-13 23:46:31,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:46:31,942 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-11-13 23:46:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:31,950 INFO L225 Difference]: With dead ends: 243 [2024-11-13 23:46:31,950 INFO L226 Difference]: Without dead ends: 121 [2024-11-13 23:46:31,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:46:31,958 INFO L432 NwaCegarLoop]: 177 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, 177 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 [2024-11-13 23:46:31,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:46:31,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-13 23:46:32,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-13 23:46:32,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:46:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-13 23:46:32,027 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 156 [2024-11-13 23:46:32,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:32,028 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-13 23:46:32,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-13 23:46:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 23:46:32,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:32,032 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:32,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:32,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:32,237 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:32,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash -847738011, now seen corresponding path program 1 times [2024-11-13 23:46:32,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:46:32,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095416937] [2024-11-13 23:46:32,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:32,242 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 [2024-11-13 23:46:32,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:46:32,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:46:32,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:32,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:46:32,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-13 23:46:32,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:46:32,964 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:46:32,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095416937] [2024-11-13 23:46:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095416937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:32,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:32,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:46:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198558596] [2024-11-13 23:46:32,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:32,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:46:32,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:46:32,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:46:32,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:46:32,971 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:33,054 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-11-13 23:46:33,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:46:33,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-11-13 23:46:33,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:33,056 INFO L225 Difference]: With dead ends: 241 [2024-11-13 23:46:33,057 INFO L226 Difference]: Without dead ends: 123 [2024-11-13 23:46:33,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:46:33,058 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:33,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:46:33,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-13 23:46:33,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-13 23:46:33,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:46:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-11-13 23:46:33,078 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 156 [2024-11-13 23:46:33,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:33,083 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-11-13 23:46:33,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-11-13 23:46:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 23:46:33,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:33,086 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:33,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:33,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:33,287 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:33,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:33,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1319094361, now seen corresponding path program 1 times [2024-11-13 23:46:33,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:46:33,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937150522] [2024-11-13 23:46:33,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:33,288 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 [2024-11-13 23:46:33,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:46:33,290 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:46:33,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:33,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:46:33,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:34,148 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 [2024-11-13 23:46:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-13 23:46:34,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:46:34,208 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:46:34,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937150522] [2024-11-13 23:46:34,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937150522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:34,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:34,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:46:34,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318410338] [2024-11-13 23:46:34,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:34,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:46:34,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:46:34,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:46:34,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:46:34,211 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:35,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:35,862 INFO L93 Difference]: Finished difference Result 243 states and 355 transitions. [2024-11-13 23:46:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:46:35,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-11-13 23:46:35,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:35,865 INFO L225 Difference]: With dead ends: 243 [2024-11-13 23:46:35,865 INFO L226 Difference]: Without dead ends: 123 [2024-11-13 23:46:35,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 23:46:35,867 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 145 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:35,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 478 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 23:46:35,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-13 23:46:35,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2024-11-13 23:46:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:46:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 176 transitions. [2024-11-13 23:46:35,882 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 176 transitions. Word has length 156 [2024-11-13 23:46:35,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:35,882 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 176 transitions. [2024-11-13 23:46:35,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2024-11-13 23:46:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 23:46:35,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:35,885 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:35,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:36,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:36,086 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:36,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:36,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1526742591, now seen corresponding path program 1 times [2024-11-13 23:46:36,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:46:36,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124277091] [2024-11-13 23:46:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:36,088 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 [2024-11-13 23:46:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:46:36,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:46:36,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:36,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:46:36,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:36,861 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 94 treesize of output 40 [2024-11-13 23:46:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 20 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 23:46:36,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:46:37,241 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 58 treesize of output 22 [2024-11-13 23:46:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:46:37,276 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:46:37,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124277091] [2024-11-13 23:46:37,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [124277091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:46:37,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1065797481] [2024-11-13 23:46:37,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:37,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:46:37,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:46:37,282 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:46:37,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:46:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:39,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:46:39,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:39,800 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 [2024-11-13 23:46:40,209 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 99 treesize of output 51 [2024-11-13 23:46:40,253 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 20 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 23:46:40,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:46:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:46:40,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1065797481] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:46:40,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054611499] [2024-11-13 23:46:40,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:46:40,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:46:40,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:46:40,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 23:46:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:41,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:46:41,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:41,251 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 [2024-11-13 23:46:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-13 23:46:41,368 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:46:41,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054611499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:41,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-13 23:46:41,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 8, 10, 9] total 22 [2024-11-13 23:46:41,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902416843] [2024-11-13 23:46:41,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:41,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:46:41,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:46:41,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:46:41,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-11-13 23:46:41,370 INFO L87 Difference]: Start difference. First operand 121 states and 176 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:42,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:42,372 INFO L93 Difference]: Finished difference Result 240 states and 350 transitions. [2024-11-13 23:46:42,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:46:42,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-13 23:46:42,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:42,375 INFO L225 Difference]: With dead ends: 240 [2024-11-13 23:46:42,375 INFO L226 Difference]: Without dead ends: 122 [2024-11-13 23:46:42,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 786 GetRequests, 764 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-11-13 23:46:42,377 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:42,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 593 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 23:46:42,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-13 23:46:42,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-13 23:46:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:46:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2024-11-13 23:46:42,388 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 175 transitions. Word has length 158 [2024-11-13 23:46:42,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:42,389 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 175 transitions. [2024-11-13 23:46:42,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 175 transitions. [2024-11-13 23:46:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 23:46:42,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:42,392 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:42,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:46:42,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 23:46:42,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:42,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:42,993 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:42,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:42,994 INFO L85 PathProgramCache]: Analyzing trace with hash 907147417, now seen corresponding path program 1 times [2024-11-13 23:46:42,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:46:42,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032940961] [2024-11-13 23:46:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:42,995 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 [2024-11-13 23:46:42,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:46:42,998 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:46:43,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-13 23:46:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:43,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:46:43,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:43,789 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 94 treesize of output 40 [2024-11-13 23:46:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 20 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 23:46:43,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:46:44,217 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 58 treesize of output 22 [2024-11-13 23:46:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:46:44,251 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:46:44,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032940961] [2024-11-13 23:46:44,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032940961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:46:44,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1578343356] [2024-11-13 23:46:44,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:44,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:46:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:46:44,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:46:44,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:46:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:46,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:46:46,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:46,478 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 [2024-11-13 23:46:46,768 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 99 treesize of output 51 [2024-11-13 23:46:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 20 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 23:46:46,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:46:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:46:47,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1578343356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:46:47,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065183555] [2024-11-13 23:46:47,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:47,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:46:47,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:46:47,256 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:46:47,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 23:46:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:47,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:46:47,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:47,841 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 [2024-11-13 23:46:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-13 23:46:47,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:46:47,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065183555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:47,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-13 23:46:47,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 8, 10, 9] total 22 [2024-11-13 23:46:47,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375505228] [2024-11-13 23:46:47,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:47,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:46:47,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:46:47,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:46:47,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2024-11-13 23:46:47,931 INFO L87 Difference]: Start difference. First operand 121 states and 175 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:49,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:49,305 INFO L93 Difference]: Finished difference Result 240 states and 348 transitions. [2024-11-13 23:46:49,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:46:49,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-11-13 23:46:49,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:49,307 INFO L225 Difference]: With dead ends: 240 [2024-11-13 23:46:49,307 INFO L226 Difference]: Without dead ends: 122 [2024-11-13 23:46:49,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 798 GetRequests, 774 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2024-11-13 23:46:49,308 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 135 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:49,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 470 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 23:46:49,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-13 23:46:49,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-13 23:46:49,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.36) internal successors, (136), 100 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:46:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 174 transitions. [2024-11-13 23:46:49,318 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 174 transitions. Word has length 160 [2024-11-13 23:46:49,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:49,319 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 174 transitions. [2024-11-13 23:46:49,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:46:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2024-11-13 23:46:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 23:46:49,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:49,321 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:49,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 23:46:49,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 23:46:49,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-13 23:46:49,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:49,923 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:49,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:49,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1817078655, now seen corresponding path program 1 times [2024-11-13 23:46:49,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:46:49,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660023805] [2024-11-13 23:46:49,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:49,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:46:49,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:46:49,928 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:46:49,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 (11)] Waiting until timeout for monitored process [2024-11-13 23:46:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:50,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:46:50,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:50,605 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 94 treesize of output 40 [2024-11-13 23:46:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 20 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 23:46:50,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:46:50,962 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 58 treesize of output 22 [2024-11-13 23:46:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:46:50,994 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:46:50,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660023805] [2024-11-13 23:46:50,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660023805] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:46:50,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [265269261] [2024-11-13 23:46:50,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:50,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:46:50,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:46:50,996 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:46:50,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:46:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:52,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:46:52,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:53,611 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 99 treesize of output 51 [2024-11-13 23:46:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 20 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 23:46:53,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:46:54,097 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 88 treesize of output 34 [2024-11-13 23:46:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:46:54,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [265269261] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:46:54,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586699132] [2024-11-13 23:46:54,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:46:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:46:54,130 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:46:54,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 23:46:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:54,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:46:54,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:54,617 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 94 treesize of output 40 [2024-11-13 23:46:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-13 23:46:54,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:46:54,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586699132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:54,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-13 23:46:54,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 8, 10, 9] total 21 [2024-11-13 23:46:54,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123736010] [2024-11-13 23:46:54,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:54,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 23:46:54,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:46:54,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 23:46:54,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2024-11-13 23:46:54,655 INFO L87 Difference]: Start difference. First operand 121 states and 174 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 23:46:56,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:56,279 INFO L93 Difference]: Finished difference Result 252 states and 360 transitions. [2024-11-13 23:46:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:46:56,280 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2024-11-13 23:46:56,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:56,282 INFO L225 Difference]: With dead ends: 252 [2024-11-13 23:46:56,282 INFO L226 Difference]: Without dead ends: 123 [2024-11-13 23:46:56,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 785 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=558, Unknown=0, NotChecked=0, Total=702 [2024-11-13 23:46:56,284 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 8 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:56,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 830 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 23:46:56,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-13 23:46:56,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2024-11-13 23:46:56,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.34) internal successors, (134), 100 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:46:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2024-11-13 23:46:56,303 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 162 [2024-11-13 23:46:56,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:56,304 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2024-11-13 23:46:56,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 23:46:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2024-11-13 23:46:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 23:46:56,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:56,308 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:56,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 23:46:56,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:46:56,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 (11)] Ended with exit code 0 [2024-11-13 23:46:56,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:56,909 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:56,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash -635412927, now seen corresponding path program 1 times [2024-11-13 23:46:56,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:46:56,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082177413] [2024-11-13 23:46:56,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:56,910 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 [2024-11-13 23:46:56,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:46:56,912 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:46:56,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:46:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:57,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:46:57,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:58,275 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 8 treesize of output 1 [2024-11-13 23:46:58,599 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 31 treesize of output 24 [2024-11-13 23:46:58,641 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 31 treesize of output 24 [2024-11-13 23:46:58,684 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 31 treesize of output 19 [2024-11-13 23:46:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:46:58,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:46:58,737 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:46:58,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082177413] [2024-11-13 23:46:58,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082177413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:58,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:58,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 23:46:58,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375280424] [2024-11-13 23:46:58,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:58,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 23:46:58,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:46:58,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 23:46:58,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-13 23:46:58,740 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand has 11 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:47:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:47:02,388 INFO L93 Difference]: Finished difference Result 280 states and 397 transitions. [2024-11-13 23:47:02,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 23:47:02,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2024-11-13 23:47:02,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:47:02,393 INFO L225 Difference]: With dead ends: 280 [2024-11-13 23:47:02,393 INFO L226 Difference]: Without dead ends: 162 [2024-11-13 23:47:02,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-13 23:47:02,397 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 130 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:47:02,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 586 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 943 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 23:47:02,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-13 23:47:02,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 132. [2024-11-13 23:47:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 111 states have (on average 1.3513513513513513) internal successors, (150), 111 states have internal predecessors, (150), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:47:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 188 transitions. [2024-11-13 23:47:02,429 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 188 transitions. Word has length 162 [2024-11-13 23:47:02,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:47:02,438 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 188 transitions. [2024-11-13 23:47:02,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:47:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 188 transitions. [2024-11-13 23:47:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 23:47:02,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:47:02,440 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:47:02,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:47:02,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:47:02,641 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:47:02,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:47:02,642 INFO L85 PathProgramCache]: Analyzing trace with hash -2019849400, now seen corresponding path program 1 times [2024-11-13 23:47:02,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:47:02,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674878257] [2024-11-13 23:47:02,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:47:02,643 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 [2024-11-13 23:47:02,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:47:02,646 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:47:02,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:47:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:47:03,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:47:03,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:47:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-13 23:47:03,157 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:47:03,157 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:47:03,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674878257] [2024-11-13 23:47:03,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674878257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:47:03,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:47:03,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:47:03,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354372723] [2024-11-13 23:47:03,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:47:03,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:47:03,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:47:03,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:47:03,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:47:03,158 INFO L87 Difference]: Start difference. First operand 132 states and 188 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-13 23:47:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:47:03,359 INFO L93 Difference]: Finished difference Result 264 states and 377 transitions. [2024-11-13 23:47:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:47:03,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-13 23:47:03,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:47:03,361 INFO L225 Difference]: With dead ends: 264 [2024-11-13 23:47:03,361 INFO L226 Difference]: Without dead ends: 135 [2024-11-13 23:47:03,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:47:03,363 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:47:03,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 661 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:47:03,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-13 23:47:03,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-13 23:47:03,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:47:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 191 transitions. [2024-11-13 23:47:03,374 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 191 transitions. Word has length 162 [2024-11-13 23:47:03,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:47:03,375 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 191 transitions. [2024-11-13 23:47:03,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-13 23:47:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 191 transitions. [2024-11-13 23:47:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 23:47:03,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:47:03,377 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:47:03,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:47:03,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:47:03,578 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:47:03,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:47:03,578 INFO L85 PathProgramCache]: Analyzing trace with hash 503360470, now seen corresponding path program 1 times [2024-11-13 23:47:03,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:47:03,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307992542] [2024-11-13 23:47:03,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:47:03,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:47:03,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:47:03,581 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:47:03,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:47:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:47:04,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 23:47:04,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:47:04,692 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 8 treesize of output 1 [2024-11-13 23:47:05,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2024-11-13 23:47:05,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2024-11-13 23:47:05,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2024-11-13 23:47:06,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2024-11-13 23:47:06,444 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 44 treesize of output 20 [2024-11-13 23:47:07,821 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 91 treesize of output 70 [2024-11-13 23:47:08,258 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 91 treesize of output 70 [2024-11-13 23:47:08,767 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 91 treesize of output 70 [2024-11-13 23:47:09,306 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 91 treesize of output 70 [2024-11-13 23:47:10,179 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 91 treesize of output 70 [2024-11-13 23:47:10,792 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:47:10,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 51 [2024-11-13 23:47:10,852 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 91 treesize of output 70 [2024-11-13 23:47:10,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:47:10,969 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 131 treesize of output 53 [2024-11-13 23:47:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 46 proven. 518 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 23:47:11,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:47:11,405 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_443 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_441 (_ BitVec 32))) (not (let ((.cse1 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store (select |c_#memory_int| |c_~#float_Array_0~0.base|) (bvadd (_ bv24 32) |c_~#float_Array_0~0.offset|) v_ArrVal_441)) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_443) |c_~#float_Array_0~0.base|))) (fp.eq (let ((.cse0 (select .cse1 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select .cse1 (bvadd (_ bv20 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))))) is different from false [2024-11-13 23:47:11,451 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:47:11,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307992542] [2024-11-13 23:47:11,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307992542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:47:11,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1081415356] [2024-11-13 23:47:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:47:11,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:47:11,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:47:11,454 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:47:11,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:47:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:47:14,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 23:47:14,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:47:15,411 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 [2024-11-13 23:47:16,567 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 64 treesize of output 32 [2024-11-13 23:47:17,014 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 64 treesize of output 32 [2024-11-13 23:47:17,433 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 64 treesize of output 32 [2024-11-13 23:47:18,103 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 64 treesize of output 32 [2024-11-13 23:47:18,632 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 64 treesize of output 32 [2024-11-13 23:47:21,227 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 103 treesize of output 76 [2024-11-13 23:47:21,738 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 103 treesize of output 76 [2024-11-13 23:47:22,260 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 103 treesize of output 76 [2024-11-13 23:47:22,825 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 103 treesize of output 76 [2024-11-13 23:47:23,845 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 103 treesize of output 76 [2024-11-13 23:47:24,716 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 110 treesize of output 61 [2024-11-13 23:47:24,797 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 103 treesize of output 76 [2024-11-13 23:47:25,145 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 46 proven. 518 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 23:47:25,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:47:25,315 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_443 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_486 (_ BitVec 32))) (not (let ((.cse1 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store (select |c_#memory_int| |c_~#float_Array_0~0.base|) (bvadd (_ bv24 32) |c_~#float_Array_0~0.offset|) v_ArrVal_486)) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_443) |c_~#float_Array_0~0.base|))) (fp.eq (let ((.cse0 (select .cse1 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select .cse1 (bvadd (_ bv20 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))))) is different from false [2024-11-13 23:47:25,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1081415356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:47:25,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51591717] [2024-11-13 23:47:25,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:47:25,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:47:25,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:47:25,373 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:47:25,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 23:47:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:47:27,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-13 23:47:27,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:47:28,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2024-11-13 23:47:28,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2024-11-13 23:47:29,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2024-11-13 23:47:30,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:47:30,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 40 [2024-11-13 23:47:31,218 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 73 treesize of output 40 [2024-11-13 23:47:34,802 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 120 treesize of output 93 [2024-11-13 23:47:35,456 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 120 treesize of output 93 [2024-11-13 23:47:36,090 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 120 treesize of output 93 [2024-11-13 23:47:36,813 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 120 treesize of output 93 [2024-11-13 23:47:37,927 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 120 treesize of output 93 [2024-11-13 23:47:38,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:47:38,889 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 71 [2024-11-13 23:47:38,971 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 120 treesize of output 93 [2024-11-13 23:47:39,341 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 165 treesize of output 126 [2024-11-13 23:47:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 68 proven. 521 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-13 23:47:39,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:47:41,849 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_532 (_ BitVec 32)) (|ULTIMATE.start_property_#t~mem113#1| (_ FloatingPoint 8 24)) (v_ArrVal_534 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_535 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| |c_~#float_Array_0~0.base| (store (select |c_#memory_int| |c_~#float_Array_0~0.base|) (bvadd (_ bv24 32) |c_~#float_Array_0~0.offset|) v_ArrVal_532))) (.cse3 (bvadd (_ bv20 32) |c_~#float_Array_0~0.offset|))) (or (not (let ((.cse1 (select (store .cse4 |c_~#signed_long_int_Array_0~0.base| v_ArrVal_534) |c_~#float_Array_0~0.base|))) (fp.eq (let ((.cse0 (select .cse1 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select .cse1 .cse3))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (not (fp.lt (let ((.cse5 (select (select (store .cse4 |c_~#signed_long_int_Array_0~0.base| v_ArrVal_535) |c_~#float_Array_0~0.base|) .cse3))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) |ULTIMATE.start_property_#t~mem113#1|))))) is different from false [2024-11-13 23:47:42,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51591717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:47:42,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:47:42,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 23] total 53 [2024-11-13 23:47:42,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596165847] [2024-11-13 23:47:42,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:47:42,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-13 23:47:42,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:47:42,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-13 23:47:42,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=3357, Unknown=35, NotChecked=366, Total=4160 [2024-11-13 23:47:42,013 INFO L87 Difference]: Start difference. First operand 135 states and 191 transitions. Second operand has 54 states, 50 states have (on average 4.24) internal successors, (212), 50 states have internal predecessors, (212), 18 states have call successors, (52), 17 states have call predecessors, (52), 18 states have return successors, (52), 14 states have call predecessors, (52), 18 states have call successors, (52) [2024-11-13 23:48:08,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:09,000 INFO L93 Difference]: Finished difference Result 589 states and 824 transitions. [2024-11-13 23:48:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-13 23:48:09,001 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 50 states have (on average 4.24) internal successors, (212), 50 states have internal predecessors, (212), 18 states have call successors, (52), 17 states have call predecessors, (52), 18 states have return successors, (52), 14 states have call predecessors, (52), 18 states have call successors, (52) Word has length 163 [2024-11-13 23:48:09,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:09,005 INFO L225 Difference]: With dead ends: 589 [2024-11-13 23:48:09,005 INFO L226 Difference]: Without dead ends: 457 [2024-11-13 23:48:09,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 487 SyntacticMatches, 2 SemanticMatches, 93 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2662 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=975, Invalid=7363, Unknown=46, NotChecked=546, Total=8930 [2024-11-13 23:48:09,008 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 1149 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 4797 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 5178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 4797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:09,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 1660 Invalid, 5178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [381 Valid, 4797 Invalid, 0 Unknown, 0 Unchecked, 20.2s Time] [2024-11-13 23:48:09,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-13 23:48:09,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 286. [2024-11-13 23:48:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 219 states have (on average 1.269406392694064) internal successors, (278), 221 states have internal predecessors, (278), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 23:48:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 398 transitions. [2024-11-13 23:48:09,061 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 398 transitions. Word has length 163 [2024-11-13 23:48:09,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:09,061 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 398 transitions. [2024-11-13 23:48:09,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 50 states have (on average 4.24) internal successors, (212), 50 states have internal predecessors, (212), 18 states have call successors, (52), 17 states have call predecessors, (52), 18 states have return successors, (52), 14 states have call predecessors, (52), 18 states have call successors, (52) [2024-11-13 23:48:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2024-11-13 23:48:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 23:48:09,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:09,064 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:09,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:48:09,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:48:09,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-13 23:48:09,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:48:09,665 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:09,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:09,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1115614444, now seen corresponding path program 1 times [2024-11-13 23:48:09,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:48:09,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348259504] [2024-11-13 23:48:09,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:09,667 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 [2024-11-13 23:48:09,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:48:09,672 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:48:09,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:48:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:10,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:48:10,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-13 23:48:10,268 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:48:10,268 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:48:10,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348259504] [2024-11-13 23:48:10,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348259504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:10,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:48:10,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 23:48:10,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4646611] [2024-11-13 23:48:10,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:10,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:48:10,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:48:10,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:48:10,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:48:10,271 INFO L87 Difference]: Start difference. First operand 286 states and 398 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 23:48:10,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:10,596 INFO L93 Difference]: Finished difference Result 557 states and 772 transitions. [2024-11-13 23:48:10,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:48:10,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-13 23:48:10,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:10,599 INFO L225 Difference]: With dead ends: 557 [2024-11-13 23:48:10,599 INFO L226 Difference]: Without dead ends: 264 [2024-11-13 23:48:10,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:48:10,601 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:10,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 706 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:48:10,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-13 23:48:10,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 258. [2024-11-13 23:48:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 204 states have (on average 1.2745098039215685) internal successors, (260), 205 states have internal predecessors, (260), 48 states have call successors, (48), 5 states have call predecessors, (48), 5 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-13 23:48:10,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 356 transitions. [2024-11-13 23:48:10,628 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 356 transitions. Word has length 163 [2024-11-13 23:48:10,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:10,629 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 356 transitions. [2024-11-13 23:48:10,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 23:48:10,629 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 356 transitions. [2024-11-13 23:48:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 23:48:10,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:10,631 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:10,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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)] Forceful destruction successful, exit code 0 [2024-11-13 23:48:10,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:48:10,832 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:10,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:10,832 INFO L85 PathProgramCache]: Analyzing trace with hash 2104431576, now seen corresponding path program 1 times [2024-11-13 23:48:10,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:48:10,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556843031] [2024-11-13 23:48:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:10,833 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 [2024-11-13 23:48:10,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:48:10,834 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:48:10,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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)] Waiting until timeout for monitored process [2024-11-13 23:48:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:11,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:48:11,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:11,643 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 94 treesize of output 40 [2024-11-13 23:48:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 28 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-13 23:48:11,710 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:48:11,952 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 58 treesize of output 22 [2024-11-13 23:48:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 21 proven. 33 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:48:11,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:48:11,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556843031] [2024-11-13 23:48:11,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556843031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:48:11,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2047329999] [2024-11-13 23:48:11,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:11,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:48:11,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:48:11,988 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:48:11,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:48:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:14,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:48:14,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:15,385 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 99 treesize of output 51 [2024-11-13 23:48:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 28 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-13 23:48:15,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:48:15,793 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 88 treesize of output 34 [2024-11-13 23:48:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 21 proven. 33 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 23:48:15,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2047329999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:48:15,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657555536] [2024-11-13 23:48:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:15,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:48:15,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:48:15,833 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:48:15,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 23:48:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:16,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:48:16,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:16,301 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 94 treesize of output 40 [2024-11-13 23:48:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-13 23:48:16,335 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:48:16,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657555536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:16,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-13 23:48:16,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 8, 10, 9] total 21 [2024-11-13 23:48:16,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611559542] [2024-11-13 23:48:16,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:16,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 23:48:16,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:48:16,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 23:48:16,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2024-11-13 23:48:16,339 INFO L87 Difference]: Start difference. First operand 258 states and 356 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 23:48:18,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:18,031 INFO L93 Difference]: Finished difference Result 508 states and 692 transitions. [2024-11-13 23:48:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 23:48:18,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-13 23:48:18,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:18,034 INFO L225 Difference]: With dead ends: 508 [2024-11-13 23:48:18,034 INFO L226 Difference]: Without dead ends: 235 [2024-11-13 23:48:18,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 816 GetRequests, 789 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=558, Unknown=0, NotChecked=0, Total=702 [2024-11-13 23:48:18,035 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 7 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:18,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 828 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 23:48:18,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-13 23:48:18,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 231. [2024-11-13 23:48:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 189 states have (on average 1.2857142857142858) internal successors, (243), 189 states have internal predecessors, (243), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 23:48:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 315 transitions. [2024-11-13 23:48:18,061 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 315 transitions. Word has length 163 [2024-11-13 23:48:18,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:18,061 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 315 transitions. [2024-11-13 23:48:18,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 23:48:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 315 transitions. [2024-11-13 23:48:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 23:48:18,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:18,063 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:18,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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)] Ended with exit code 0 [2024-11-13 23:48:18,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:48:18,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-13 23:48:18,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:48:18,664 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:18,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:18,664 INFO L85 PathProgramCache]: Analyzing trace with hash -819818476, now seen corresponding path program 1 times [2024-11-13 23:48:18,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:48:18,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060249263] [2024-11-13 23:48:18,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:18,665 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 [2024-11-13 23:48:18,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:48:18,667 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:48:18,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 (23)] Waiting until timeout for monitored process [2024-11-13 23:48:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:19,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:48:19,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-13 23:48:19,189 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:48:19,190 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:48:19,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060249263] [2024-11-13 23:48:19,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060249263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:19,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:48:19,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:48:19,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983521567] [2024-11-13 23:48:19,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:19,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:48:19,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:48:19,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:48:19,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:48:19,191 INFO L87 Difference]: Start difference. First operand 231 states and 315 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:48:19,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:19,248 INFO L93 Difference]: Finished difference Result 459 states and 627 transitions. [2024-11-13 23:48:19,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:48:19,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2024-11-13 23:48:19,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:19,251 INFO L225 Difference]: With dead ends: 459 [2024-11-13 23:48:19,251 INFO L226 Difference]: Without dead ends: 231 [2024-11-13 23:48:19,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:48:19,252 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:19,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:48:19,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-13 23:48:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-13 23:48:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 189 states have (on average 1.2804232804232805) internal successors, (242), 189 states have internal predecessors, (242), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 23:48:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 314 transitions. [2024-11-13 23:48:19,273 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 314 transitions. Word has length 163 [2024-11-13 23:48:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:19,273 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 314 transitions. [2024-11-13 23:48:19,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:48:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 314 transitions. [2024-11-13 23:48:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 23:48:19,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:19,275 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:19,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 (23)] Forceful destruction successful, exit code 0 [2024-11-13 23:48:19,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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 [2024-11-13 23:48:19,477 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:19,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:19,477 INFO L85 PathProgramCache]: Analyzing trace with hash 689163527, now seen corresponding path program 1 times [2024-11-13 23:48:19,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:48:19,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282346034] [2024-11-13 23:48:19,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:19,478 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 [2024-11-13 23:48:19,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:48:19,481 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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) [2024-11-13 23:48:19,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/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)] Waiting until timeout for monitored process [2024-11-13 23:48:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:51,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 23:48:51,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:52,412 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 19 treesize of output 1 [2024-11-13 23:48:53,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2024-11-13 23:48:54,208 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 78 treesize of output 32 [2024-11-13 23:48:56,791 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 125 treesize of output 98 [2024-11-13 23:48:57,538 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 125 treesize of output 98 [2024-11-13 23:48:58,321 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 125 treesize of output 98 [2024-11-13 23:48:59,039 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 125 treesize of output 98 [2024-11-13 23:49:00,305 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 125 treesize of output 98 [2024-11-13 23:49:01,710 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:49:01,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 241 treesize of output 114 [2024-11-13 23:49:06,220 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 230 treesize of output 179 [2024-11-13 23:49:08,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 179 [2024-11-13 23:49:18,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:49:18,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 388 treesize of output 136 [2024-11-13 23:49:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 225 proven. 343 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 23:49:21,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:49:39,940 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_211| (_ BitVec 32)) (v_ArrVal_727 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (select |c_#memory_int| |c_~#float_Array_0~0.base|)) (.cse5 (bvadd (_ bv12 32) |c_~#float_Array_0~0.offset|))) (or (let ((.cse2 (bvadd (_ bv24 32) |c_~#float_Array_0~0.offset|))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse6 .cse2 |v_skolemized_q#valueAsBitvector_211|)) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_727) |c_~#float_Array_0~0.base|))) (fp.eq (let ((.cse0 (select .cse1 .cse2))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse3 (select .cse1 (bvadd (_ bv20 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse4 (select .cse1 .cse5))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_211|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_211|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_211|)) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_step_#t~ite9#1| (let ((.cse7 (select .cse6 .cse5))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))))))) is different from false [2024-11-13 23:49:41,421 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((|v_skolemized_q#valueAsBitvector_211| (_ BitVec 32)) (v_ArrVal_727 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (bvadd (_ bv20 32) |c_~#float_Array_0~0.offset|)) (.cse7 (select |c_#memory_int| |c_~#float_Array_0~0.base|)) (.cse6 (bvadd (_ bv12 32) |c_~#float_Array_0~0.offset|))) (or (let ((.cse2 (bvadd (_ bv24 32) |c_~#float_Array_0~0.offset|))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse7 .cse2 |v_skolemized_q#valueAsBitvector_211|)) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_727) |c_~#float_Array_0~0.base|))) (fp.eq (let ((.cse0 (select .cse1 .cse2))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse3 (select .cse1 .cse4))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse5 (select .cse1 .cse6))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))))) (not (= (fp.sub c_currentRoundingMode (let ((.cse8 (select .cse7 .cse4))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) (let ((.cse9 (select .cse7 .cse6))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_211|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_211|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_211|))))))) (forall ((|ULTIMATE.start_step_#t~mem6#1| (_ FloatingPoint 8 24))) (not (fp.lt |c_ULTIMATE.start_step_#t~mem5#1| |ULTIMATE.start_step_#t~mem6#1|)))) is different from false [2024-11-13 23:49:43,318 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 (select |c_#memory_int| |c_~#float_Array_0~0.base|)) (.cse5 (bvadd (_ bv20 32) |c_~#float_Array_0~0.offset|))) (let ((.cse0 (let ((.cse10 (select .cse8 .cse5))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (or (forall ((|ULTIMATE.start_step_#t~mem6#1| (_ FloatingPoint 8 24))) (not (fp.lt .cse0 |ULTIMATE.start_step_#t~mem6#1|))) (forall ((|v_skolemized_q#valueAsBitvector_211| (_ BitVec 32)) (v_ArrVal_727 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (bvadd (_ bv12 32) |c_~#float_Array_0~0.offset|))) (or (let ((.cse3 (bvadd (_ bv24 32) |c_~#float_Array_0~0.offset|))) (let ((.cse2 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse8 .cse3 |v_skolemized_q#valueAsBitvector_211|)) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_727) |c_~#float_Array_0~0.base|))) (fp.eq (let ((.cse1 (select .cse2 .cse3))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp.sub c_currentRoundingMode (let ((.cse4 (select .cse2 .cse5))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (let ((.cse6 (select .cse2 .cse7))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))))) (not (= (fp.sub c_currentRoundingMode .cse0 (let ((.cse9 (select .cse8 .cse7))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_211|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_211|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_211|)))))))))) is different from false [2024-11-13 23:49:45,803 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:49:45,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282346034] [2024-11-13 23:49:45,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282346034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:49:45,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [858621205] [2024-11-13 23:49:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:49:45,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:49:45,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:49:45,808 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:49:45,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:51:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:51:48,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-13 23:51:48,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:51:52,100 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 [2024-11-13 23:52:00,827 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 62 treesize of output 30 [2024-11-13 23:52:14,739 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 108 treesize of output 59 [2024-11-13 23:52:31,173 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 147 treesize of output 108 [2024-11-13 23:52:32,815 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 147 treesize of output 108 [2024-11-13 23:52:34,433 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 147 treesize of output 108 [2024-11-13 23:52:36,052 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 147 treesize of output 108 [2024-11-13 23:52:39,511 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 147 treesize of output 108 [2024-11-13 23:52:46,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 117 [2024-11-13 23:52:54,277 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 200 treesize of output 143 [2024-11-13 23:52:58,786 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 200 treesize of output 143 [2024-11-13 23:53:17,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 142 [2024-11-13 23:53:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 210 proven. 358 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 23:53:19,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:53:58,064 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_771 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_223| (_ BitVec 32))) (let ((.cse8 (select |c_#memory_int| |c_~#float_Array_0~0.base|)) (.cse4 (bvadd (_ bv24 32) |c_~#float_Array_0~0.offset|))) (let ((.cse2 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse8 .cse4 |v_skolemized_q#valueAsBitvector_223|)) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_771) |c_~#float_Array_0~0.base|))) (let ((.cse0 (let ((.cse9 (select .cse2 (bvadd (_ bv20 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (.cse6 (bvadd (_ bv12 32) |c_~#float_Array_0~0.offset|))) (or (not (fp.lt .cse0 (let ((.cse1 (select .cse2 (bvadd (_ bv16 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.eq (let ((.cse3 (select .cse2 .cse4))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode .cse0 (let ((.cse5 (select .cse2 .cse6))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_223|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_223|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_223|)) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_step_#t~ite9#1| (let ((.cse7 (select .cse8 .cse6))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))))))))) is different from false [2024-11-13 23:54:24,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [858621205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:54:24,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768856506] [2024-11-13 23:54:24,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:54:24,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:54:24,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:54:24,203 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:54:24,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754b913-7fc3-45d3-a4fc-6c2540191be4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process