./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.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_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/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_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/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_7ab2bce6-ad4b-432c-9770-ecc548abb648/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 59fcf88f6943d549157a3cfba6ddb658035b64670284c28d4e3e565766795a5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:42:16,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:42:16,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:42:16,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:42:16,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:42:16,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:42:16,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:42:16,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:42:16,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:42:16,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:42:16,547 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:42:16,547 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:42:16,547 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:42:16,547 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:42:16,547 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:42:16,547 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:42:16,548 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:42:16,548 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:42:16,548 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:42:16,548 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:42:16,548 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:42:16,548 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:42:16,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:42:16,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:42:16,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:42:16,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:42:16,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:42:16,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:42:16,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:42:16,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:42:16,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:42:16,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:42:16,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:42:16,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:42:16,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:42:16,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:42:16,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:42:16,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:42:16,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:42:16,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:42:16,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:42:16,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:42:16,553 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:42:16,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:42:16,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:42:16,553 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:42:16,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:42:16,554 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_7ab2bce6-ad4b-432c-9770-ecc548abb648/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 -> 59fcf88f6943d549157a3cfba6ddb658035b64670284c28d4e3e565766795a5f [2024-11-14 04:42:16,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:42:16,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:42:16,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:42:16,900 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:42:16,901 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:42:16,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i Unable to find full path for "g++" [2024-11-14 04:42:18,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:42:19,069 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:42:19,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i [2024-11-14 04:42:19,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/data/d0a9ccc98/809e3f6a22604b6ea648eb0fd7be09ba/FLAG65c0da690 [2024-11-14 04:42:19,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/data/d0a9ccc98/809e3f6a22604b6ea648eb0fd7be09ba [2024-11-14 04:42:19,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:42:19,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:42:19,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:42:19,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:42:19,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:42:19,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54754ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19, skipping insertion in model container [2024-11-14 04:42:19,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:42:19,312 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_7ab2bce6-ad4b-432c-9770-ecc548abb648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i[919,932] [2024-11-14 04:42:19,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:42:19,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:42:19,439 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_7ab2bce6-ad4b-432c-9770-ecc548abb648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i[919,932] [2024-11-14 04:42:19,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:42:19,566 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:42:19,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19 WrapperNode [2024-11-14 04:42:19,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:42:19,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:42:19,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:42:19,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:42:19,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,667 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2024-11-14 04:42:19,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:42:19,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:42:19,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:42:19,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:42:19,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:42:19,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:42:19,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:42:19,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:42:19,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (1/1) ... [2024-11-14 04:42:19,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:42:19,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:42:19,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:42:19,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:42:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:42:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:42:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:42:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:42:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:42:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:42:19,864 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:42:19,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:42:20,297 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:42:20,297 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:42:20,568 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:42:20,568 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:42:20,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:42:20 BoogieIcfgContainer [2024-11-14 04:42:20,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:42:20,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:42:20,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:42:20,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:42:20,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:42:19" (1/3) ... [2024-11-14 04:42:20,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eee508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:42:20, skipping insertion in model container [2024-11-14 04:42:20,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:19" (2/3) ... [2024-11-14 04:42:20,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eee508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:42:20, skipping insertion in model container [2024-11-14 04:42:20,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:42:20" (3/3) ... [2024-11-14 04:42:20,582 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i [2024-11-14 04:42:20,625 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:42:20,626 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:42:20,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:42:20,701 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;@1b2ac568, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:42:20,702 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:42:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 04:42:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-14 04:42:20,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:20,719 INFO L215 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:20,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:20,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash 718116162, now seen corresponding path program 1 times [2024-11-14 04:42:20,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:20,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516680798] [2024-11-14 04:42:20,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:20,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:42:21,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:42:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:42:21,717 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:42:21,719 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:42:21,721 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:42:21,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:42:21,727 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:42:21,904 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:42:21,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:42:21 BoogieIcfgContainer [2024-11-14 04:42:21,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:42:21,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:42:21,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:42:21,914 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:42:21,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:42:20" (3/4) ... [2024-11-14 04:42:21,918 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:42:21,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:42:21,921 INFO L158 Benchmark]: Toolchain (without parser) took 2821.34ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.8MB in the beginning and 383.6MB in the end (delta: -264.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-14 04:42:21,921 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:21,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.20ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:42:21,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.25ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:21,922 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:21,922 INFO L158 Benchmark]: RCFGBuilder took 850.11ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 47.6MB in the end (delta: 51.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 04:42:21,927 INFO L158 Benchmark]: TraceAbstraction took 1341.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 46.9MB in the beginning and 383.6MB in the end (delta: -336.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-14 04:42:21,927 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 427.8MB. Free memory was 383.6MB in the beginning and 383.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:21,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.20ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.25ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 850.11ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 47.6MB in the end (delta: 51.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1341.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 46.9MB in the beginning and 383.6MB in the end (delta: -336.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 427.8MB. Free memory was 383.6MB in the beginning and 383.6MB in the end (delta: 13.7kB). 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 someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 156, overapproximation of someBinaryFLOATComparisonOperation at line 158, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 174, overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 197, overapproximation of someBinaryDOUBLEComparisonOperation at line 176, overapproximation of someBinaryDOUBLEComparisonOperation at line 178, overapproximation of someBinaryDOUBLEComparisonOperation at line 195, overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 49.2; [L25] signed short int var_1_7 = 10; [L26] signed short int var_1_8 = 64; [L27] signed short int var_1_9 = 256; [L28] signed char var_1_10 = -5; [L29] signed char var_1_11 = 5; [L30] double var_1_12 = 256.4; [L31] float var_1_13 = 2.6; [L32] float var_1_14 = 128.125; [L33] double var_1_15 = 32.5; [L34] double var_1_16 = 10000000000.25; [L35] signed char var_1_17 = -5; [L36] unsigned char var_1_19 = 0; [L37] unsigned char var_1_20 = 0; [L38] signed long int var_1_21 = 1; [L39] signed short int var_1_22 = 17178; [L40] signed short int var_1_23 = 5; [L41] signed long int var_1_25 = -4; [L42] signed short int var_1_26 = 10; [L43] signed short int var_1_32 = 0; [L44] signed short int var_1_33 = 10; [L45] signed long int var_1_34 = -10; [L46] double var_1_36 = 4.85; [L47] double var_1_37 = 2.5; [L48] double var_1_38 = 15.75; [L49] signed char var_1_39 = -100; [L50] signed char var_1_40 = 1; [L51] signed short int var_1_41 = -32; [L52] signed char var_1_42 = 4; [L53] signed char var_1_43 = -8; [L54] signed short int var_1_44 = -25; [L55] signed char last_1_var_1_10 = -5; [L56] signed long int last_1_var_1_21 = 1; [L57] signed long int last_1_var_1_25 = -4; [L215] isInitial = 1 [L216] FCALL initially() [L217] COND TRUE 1 [L218] CALL updateLastVariables() [L206] last_1_var_1_10 = var_1_10 [L207] last_1_var_1_21 = var_1_21 [L208] last_1_var_1_25 = var_1_25 [L218] RET updateLastVariables() [L219] CALL updateVariables() [L155] var_1_3 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L157] var_1_4 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=10, var_1_8=64, var_1_9=256] [L159] var_1_7 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=64, var_1_9=256] [L161] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=64, var_1_9=256] [L162] var_1_8 = __VERIFIER_nondet_short() [L163] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=256] [L164] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=256] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=256] [L165] var_1_9 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L167] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L168] var_1_11 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L170] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L171] var_1_13 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L173] var_1_14 = __VERIFIER_nondet_float() [L174] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L175] var_1_15 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L177] var_1_16 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L179] var_1_20 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L181] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L182] var_1_22 = __VERIFIER_nondet_short() [L183] CALL assume_abort_if_not(var_1_22 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_22 >= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L184] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L185] var_1_23 = __VERIFIER_nondet_short() [L186] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L187] CALL assume_abort_if_not(var_1_23 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_23 <= 16384) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L188] var_1_32 = __VERIFIER_nondet_short() [L189] CALL assume_abort_if_not(var_1_32 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_32 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L190] CALL assume_abort_if_not(var_1_32 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_32 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L191] var_1_33 = __VERIFIER_nondet_short() [L192] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L193] CALL assume_abort_if_not(var_1_33 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_33 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L194] var_1_37 = __VERIFIER_nondet_double() [L195] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L196] var_1_38 = __VERIFIER_nondet_double() [L197] CALL assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 2305843.009213691390e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 2305843.009213691390e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L198] var_1_40 = __VERIFIER_nondet_char() [L199] CALL assume_abort_if_not(var_1_40 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_40 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L200] CALL assume_abort_if_not(var_1_40 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_40 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L201] var_1_43 = __VERIFIER_nondet_char() [L202] CALL assume_abort_if_not(var_1_43 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-4, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L202] RET assume_abort_if_not(var_1_43 >= -126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-4, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L203] CALL assume_abort_if_not(var_1_43 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-4, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L20] COND FALSE !(!cond) [L203] RET assume_abort_if_not(var_1_43 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-10, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=256, var_1_21=1, var_1_22=16383, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-4, var_1_44=-25, var_1_7=0, var_1_8=2, var_1_9=8] [L219] RET updateVariables() [L220] CALL step() [L61] COND TRUE ! var_1_19 [L62] COND FALSE !(\read(var_1_19)) [L65] COND FALSE !(var_1_17 >= 25) [L76] var_1_26 = var_1_17 [L80] var_1_34 = ((((128) < (((((var_1_1) > ((-5 + var_1_17))) ? (var_1_1) : ((-5 + var_1_17)))))) ? (128) : (((((var_1_1) > ((-5 + var_1_17))) ? (var_1_1) : ((-5 + var_1_17))))))) [L81] COND FALSE !(\read(var_1_19)) [L84] var_1_36 = ((((var_1_37) > (var_1_38)) ? (var_1_37) : (var_1_38))) [L86] var_1_39 = var_1_40 [L87] COND FALSE !(\read(var_1_19)) [L90] COND FALSE !(var_1_33 <= var_1_10) [L93] COND TRUE (! var_1_19) || var_1_19 [L94] var_1_44 = var_1_17 [L106] COND TRUE last_1_var_1_10 < last_1_var_1_25 [L107] COND TRUE var_1_11 <= last_1_var_1_25 [L108] var_1_19 = var_1_20 [L111] var_1_10 = var_1_11 [L112] COND TRUE var_1_4 >= (var_1_3 * (var_1_13 + var_1_14)) [L113] var_1_12 = (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))) [L117] unsigned char stepLocal_1 = var_1_19; [L118] COND FALSE !(var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) [L125] COND FALSE !(\read(var_1_19)) [L128] var_1_25 = var_1_10 [L130] unsigned char stepLocal_0 = var_1_12 > var_1_12; [L131] COND TRUE var_1_19 || stepLocal_0 [L132] var_1_1 = (var_1_17 + var_1_17) [L136] signed long int stepLocal_3 = var_1_22 + var_1_11; [L137] signed long int stepLocal_2 = (var_1_22 - var_1_23) - var_1_9; [L138] COND FALSE !(\read(var_1_20)) [L151] var_1_21 = var_1_9 [L220] RET step() [L221] CALL, EXPR property() [L211-L212] return (((((((var_1_19 || (var_1_12 > var_1_12)) ? (var_1_1 == ((signed short int) (var_1_17 + var_1_17))) : (var_1_1 == ((signed short int) ((((((var_1_7 + 1)) < (var_1_8)) ? ((var_1_7 + 1)) : (var_1_8))) - (24762 - var_1_9))))) && (var_1_10 == ((signed char) var_1_11))) && ((var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) ? (var_1_12 == ((double) (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))))) : (var_1_12 == ((double) var_1_16)))) && ((var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) ? ((var_1_19 || var_1_19) ? (var_1_17 == ((signed char) var_1_11)) : (var_1_17 == ((signed char) var_1_11))) : 1)) && ((last_1_var_1_10 < last_1_var_1_25) ? ((var_1_11 <= last_1_var_1_25) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_20 ? ((var_1_10 < ((var_1_22 - var_1_23) - var_1_9)) ? (var_1_19 ? ((last_1_var_1_21 == (var_1_22 + var_1_11)) ? (var_1_21 == ((signed long int) var_1_1)) : 1) : (var_1_21 == ((signed long int) var_1_10))) : (var_1_21 == ((signed long int) var_1_11))) : (var_1_21 == ((signed long int) var_1_9)))) && (var_1_19 ? (var_1_25 == ((signed long int) (var_1_17 + ((((var_1_17) < (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))) ? (var_1_17) : (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))))))) : (var_1_25 == ((signed long int) var_1_10))) ; [L221] RET, EXPR property() [L221] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-10, var_1_11=-10, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=256, var_1_1=-10, var_1_20=256, var_1_21=8, var_1_22=16383, var_1_23=16384, var_1_25=-10, var_1_26=-5, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=10000000006, var_1_37=10000000006, var_1_38=10000000006, var_1_39=-5, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-4, var_1_44=-5, var_1_7=0, var_1_8=2, var_1_9=8] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-10, var_1_11=-10, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=256, var_1_1=-10, var_1_20=256, var_1_21=8, var_1_22=16383, var_1_23=16384, var_1_25=-10, var_1_26=-5, var_1_32=32766, var_1_33=1, var_1_34=-10, var_1_36=10000000006, var_1_37=10000000006, var_1_38=10000000006, var_1_39=-5, var_1_40=-5, var_1_41=-32, var_1_42=4, var_1_43=-4, var_1_44=-5, var_1_7=0, var_1_8=2, var_1_9=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 30, 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=58occurred 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:42:21,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/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_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/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_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/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_7ab2bce6-ad4b-432c-9770-ecc548abb648/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 59fcf88f6943d549157a3cfba6ddb658035b64670284c28d4e3e565766795a5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:42:24,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:42:24,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:42:24,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:42:24,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:42:24,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:42:24,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:42:24,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:42:24,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:42:24,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:42:24,669 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:42:24,670 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:42:24,670 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:42:24,670 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:42:24,670 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:42:24,670 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:42:24,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:42:24,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:42:24,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:42:24,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:42:24,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:42:24,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:42:24,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:42:24,676 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:42:24,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:42:24,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:42:24,676 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:42:24,676 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_7ab2bce6-ad4b-432c-9770-ecc548abb648/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 -> 59fcf88f6943d549157a3cfba6ddb658035b64670284c28d4e3e565766795a5f [2024-11-14 04:42:24,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:42:25,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:42:25,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:42:25,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:42:25,009 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:42:25,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i Unable to find full path for "g++" [2024-11-14 04:42:27,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:42:27,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:42:27,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i [2024-11-14 04:42:27,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/data/f718ab3d6/dd253a22bf424467b5eba215672d37d6/FLAG5bbf9446d [2024-11-14 04:42:27,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/data/f718ab3d6/dd253a22bf424467b5eba215672d37d6 [2024-11-14 04:42:27,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:42:27,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:42:27,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:42:27,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:42:27,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:42:27,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572dafd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27, skipping insertion in model container [2024-11-14 04:42:27,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:42:27,594 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_7ab2bce6-ad4b-432c-9770-ecc548abb648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i[919,932] [2024-11-14 04:42:27,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:42:27,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:42:27,737 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_7ab2bce6-ad4b-432c-9770-ecc548abb648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i[919,932] [2024-11-14 04:42:27,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:42:27,806 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:42:27,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27 WrapperNode [2024-11-14 04:42:27,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:42:27,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:42:27,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:42:27,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:42:27,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,865 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2024-11-14 04:42:27,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:42:27,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:42:27,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:42:27,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:42:27,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:42:27,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:42:27,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:42:27,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:42:27,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (1/1) ... [2024-11-14 04:42:27,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:42:27,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:42:27,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:42:27,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:42:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:42:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:42:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:42:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:42:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:42:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:42:28,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:42:28,138 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:42:34,176 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:42:34,177 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:42:34,188 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:42:34,189 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:42:34,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:42:34 BoogieIcfgContainer [2024-11-14 04:42:34,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:42:34,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:42:34,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:42:34,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:42:34,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:42:27" (1/3) ... [2024-11-14 04:42:34,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a90f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:42:34, skipping insertion in model container [2024-11-14 04:42:34,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:27" (2/3) ... [2024-11-14 04:42:34,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a90f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:42:34, skipping insertion in model container [2024-11-14 04:42:34,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:42:34" (3/3) ... [2024-11-14 04:42:34,213 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i [2024-11-14 04:42:34,226 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:42:34,229 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-15.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:42:34,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:42:34,314 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;@7b1e7b3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:42:34,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:42:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 04:42:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-14 04:42:34,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:34,337 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:34,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:34,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:34,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2073101795, now seen corresponding path program 1 times [2024-11-14 04:42:34,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:42:34,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275110918] [2024-11-14 04:42:34,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:34,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:42:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:42:34,356 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:42:34,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:42:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:35,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:42:35,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 04:42:36,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:42:36,301 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:42:36,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275110918] [2024-11-14 04:42:36,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [275110918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:42:36,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:42:36,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:42:36,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071608927] [2024-11-14 04:42:36,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:42:36,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:42:36,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:42:36,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:42:36,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:42:36,331 INFO L87 Difference]: Start difference. First operand has 96 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:42:37,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:39,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:39,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:39,882 INFO L93 Difference]: Finished difference Result 265 states and 480 transitions. [2024-11-14 04:42:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:42:39,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 195 [2024-11-14 04:42:39,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:39,897 INFO L225 Difference]: With dead ends: 265 [2024-11-14 04:42:39,897 INFO L226 Difference]: Without dead ends: 172 [2024-11-14 04:42:39,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:42:39,905 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 39 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:39,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 231 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2024-11-14 04:42:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-14 04:42:40,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2024-11-14 04:42:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 107 states have (on average 1.2616822429906542) internal successors, (135), 107 states have internal predecessors, (135), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-14 04:42:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 255 transitions. [2024-11-14 04:42:40,020 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 255 transitions. Word has length 195 [2024-11-14 04:42:40,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:40,023 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 255 transitions. [2024-11-14 04:42:40,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:42:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 255 transitions. [2024-11-14 04:42:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-14 04:42:40,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:40,031 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:40,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:42:40,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:42:40,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:40,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:40,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1181505185, now seen corresponding path program 1 times [2024-11-14 04:42:40,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:42:40,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687446432] [2024-11-14 04:42:40,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:40,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:42:40,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:42:40,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:42:40,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:42:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:40,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:42:40,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 689 proven. 21 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-14 04:42:42,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:42:43,180 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:42:43,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687446432] [2024-11-14 04:42:43,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687446432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:42:43,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [897318596] [2024-11-14 04:42:43,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:43,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:42:43,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:42:43,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:42:43,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:42:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:44,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:42:44,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 04:42:44,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:42:44,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [897318596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:42:44,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:42:44,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-14 04:42:44,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108383970] [2024-11-14 04:42:44,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:42:44,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:42:44,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:42:44,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:42:44,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:42:44,235 INFO L87 Difference]: Start difference. First operand 170 states and 255 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:42:46,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:49,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:49,315 INFO L93 Difference]: Finished difference Result 339 states and 508 transitions. [2024-11-14 04:42:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:42:49,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 197 [2024-11-14 04:42:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:49,322 INFO L225 Difference]: With dead ends: 339 [2024-11-14 04:42:49,322 INFO L226 Difference]: Without dead ends: 172 [2024-11-14 04:42:49,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:42:49,325 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 124 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:49,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 282 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-14 04:42:49,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-14 04:42:49,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2024-11-14 04:42:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 107 states have (on average 1.2523364485981308) internal successors, (134), 107 states have internal predecessors, (134), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-14 04:42:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-14 04:42:49,355 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 197 [2024-11-14 04:42:49,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:49,356 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-14 04:42:49,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:42:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-14 04:42:49,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-14 04:42:49,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:49,361 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:49,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:42:49,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:42:49,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:42:49,763 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:49,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:49,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1338454749, now seen corresponding path program 1 times [2024-11-14 04:42:49,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:42:49,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840284340] [2024-11-14 04:42:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:49,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:42:49,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:42:49,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:42:49,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 04:42:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:50,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:42:50,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 689 proven. 21 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-14 04:42:51,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:42:52,375 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:42:52,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840284340] [2024-11-14 04:42:52,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840284340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:42:52,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [434669461] [2024-11-14 04:42:52,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:52,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:42:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:42:52,380 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:42:52,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 04:42:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:53,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:42:53,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:56,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 04:42:56,669 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:42:56,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [434669461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:42:56,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:42:56,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:42:56,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620379399] [2024-11-14 04:42:56,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:42:56,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:42:56,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:42:56,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:42:56,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:42:56,671 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:42:58,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:00,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:00,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:43:00,706 INFO L93 Difference]: Finished difference Result 442 states and 659 transitions. [2024-11-14 04:43:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:43:00,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 197 [2024-11-14 04:43:00,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:43:00,726 INFO L225 Difference]: With dead ends: 442 [2024-11-14 04:43:00,727 INFO L226 Difference]: Without dead ends: 275 [2024-11-14 04:43:00,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:43:00,729 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 79 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:43:00,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 378 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-14 04:43:00,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-14 04:43:00,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 237. [2024-11-14 04:43:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 143 states have internal predecessors, (173), 90 states have call successors, (90), 3 states have call predecessors, (90), 3 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-14 04:43:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 353 transitions. [2024-11-14 04:43:00,803 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 353 transitions. Word has length 197 [2024-11-14 04:43:00,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:43:00,805 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 353 transitions. [2024-11-14 04:43:00,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:43:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 353 transitions. [2024-11-14 04:43:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-14 04:43:00,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:43:00,810 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:43:00,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-14 04:43:01,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 04:43:01,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:43:01,212 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:43:01,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:43:01,213 INFO L85 PathProgramCache]: Analyzing trace with hash -39067207, now seen corresponding path program 1 times [2024-11-14 04:43:01,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:43:01,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934816574] [2024-11-14 04:43:01,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:01,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:43:01,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:43:01,218 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:43:01,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 04:43:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:01,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:43:01,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 689 proven. 21 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-14 04:43:03,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:43:03,364 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:43:03,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934816574] [2024-11-14 04:43:03,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934816574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:43:03,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1658752328] [2024-11-14 04:43:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:03,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:43:03,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:43:03,368 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:43:03,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 04:43:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:04,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:43:04,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 04:43:04,284 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:43:04,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1658752328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:43:04,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:43:04,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-14 04:43:04,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435632631] [2024-11-14 04:43:04,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:43:04,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:43:04,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:43:04,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:43:04,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:43:04,290 INFO L87 Difference]: Start difference. First operand 237 states and 353 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:43:06,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:09,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:09,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:43:09,386 INFO L93 Difference]: Finished difference Result 604 states and 881 transitions. [2024-11-14 04:43:09,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:43:09,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 198 [2024-11-14 04:43:09,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:43:09,392 INFO L225 Difference]: With dead ends: 604 [2024-11-14 04:43:09,392 INFO L226 Difference]: Without dead ends: 436 [2024-11-14 04:43:09,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:43:09,394 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 150 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:43:09,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 388 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-14 04:43:09,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-14 04:43:09,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 325. [2024-11-14 04:43:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 200 states have (on average 1.19) internal successors, (238), 202 states have internal predecessors, (238), 118 states have call successors, (118), 6 states have call predecessors, (118), 6 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-14 04:43:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 474 transitions. [2024-11-14 04:43:09,447 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 474 transitions. Word has length 198 [2024-11-14 04:43:09,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:43:09,448 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 474 transitions. [2024-11-14 04:43:09,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:43:09,448 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 474 transitions. [2024-11-14 04:43:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-14 04:43:09,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:43:09,451 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:43:09,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 04:43:09,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-14 04:43:09,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:43:09,852 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:43:09,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:43:09,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1878968771, now seen corresponding path program 1 times [2024-11-14 04:43:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:43:09,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549666807] [2024-11-14 04:43:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:09,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:43:09,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:43:09,857 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:43:09,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 04:43:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:10,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:43:10,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 689 proven. 21 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-14 04:43:11,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:43:11,756 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:43:11,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549666807] [2024-11-14 04:43:11,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549666807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:43:11,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1020497704] [2024-11-14 04:43:11,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:11,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:43:11,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:43:11,759 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:43:11,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 04:43:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:13,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:43:13,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 689 proven. 21 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-14 04:43:14,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:43:14,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1020497704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:43:14,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780821671] [2024-11-14 04:43:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:14,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:43:14,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:43:14,703 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:43:14,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 04:43:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:14,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:43:14,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 689 proven. 21 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-14 04:43:16,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:43:16,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780821671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:43:16,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:43:16,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-14 04:43:16,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059677292] [2024-11-14 04:43:16,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:43:16,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:43:16,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:43:16,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:43:16,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:43:16,317 INFO L87 Difference]: Start difference. First operand 325 states and 474 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-14 04:43:18,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:18,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:43:18,569 INFO L93 Difference]: Finished difference Result 587 states and 854 transitions. [2024-11-14 04:43:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:43:18,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2024-11-14 04:43:18,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:43:18,575 INFO L225 Difference]: With dead ends: 587 [2024-11-14 04:43:18,575 INFO L226 Difference]: Without dead ends: 334 [2024-11-14 04:43:18,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:43:18,579 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 49 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:43:18,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 445 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-14 04:43:18,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-14 04:43:18,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 329. [2024-11-14 04:43:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 203 states have (on average 1.1822660098522169) internal successors, (240), 205 states have internal predecessors, (240), 118 states have call successors, (118), 7 states have call predecessors, (118), 7 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-14 04:43:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 476 transitions. [2024-11-14 04:43:18,650 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 476 transitions. Word has length 198 [2024-11-14 04:43:18,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:43:18,653 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 476 transitions. [2024-11-14 04:43:18,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-14 04:43:18,653 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 476 transitions. [2024-11-14 04:43:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-14 04:43:18,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:43:18,657 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:43:18,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-14 04:43:18,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 04:43:19,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-14 04:43:19,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:43:19,259 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:43:19,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:43:19,259 INFO L85 PathProgramCache]: Analyzing trace with hash 827650623, now seen corresponding path program 1 times [2024-11-14 04:43:19,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:43:19,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615044419] [2024-11-14 04:43:19,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:19,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:43:19,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:43:19,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:43:19,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-14 04:43:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:19,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:43:19,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:22,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 04:43:22,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:43:22,252 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:43:22,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615044419] [2024-11-14 04:43:22,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615044419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:43:22,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:43:22,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:43:22,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517039082] [2024-11-14 04:43:22,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:43:22,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:43:22,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:43:22,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:43:22,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:43:22,254 INFO L87 Difference]: Start difference. First operand 329 states and 476 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:43:24,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:28,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:31,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:43:40,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:42,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:43:44,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:43:45,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:43:45,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:43:45,816 INFO L93 Difference]: Finished difference Result 831 states and 1214 transitions. [2024-11-14 04:43:45,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:43:45,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 198 [2024-11-14 04:43:45,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:43:45,841 INFO L225 Difference]: With dead ends: 831 [2024-11-14 04:43:45,842 INFO L226 Difference]: Without dead ends: 580 [2024-11-14 04:43:45,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:43:45,844 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 110 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 60 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:43:45,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 350 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 44 Invalid, 6 Unknown, 0 Unchecked, 22.9s Time] [2024-11-14 04:43:45,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-14 04:43:45,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 335. [2024-11-14 04:43:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 209 states have (on average 1.1770334928229664) internal successors, (246), 211 states have internal predecessors, (246), 118 states have call successors, (118), 7 states have call predecessors, (118), 7 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-14 04:43:45,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 482 transitions. [2024-11-14 04:43:45,913 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 482 transitions. Word has length 198 [2024-11-14 04:43:45,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:43:45,914 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 482 transitions. [2024-11-14 04:43:45,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:43:45,914 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 482 transitions. [2024-11-14 04:43:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-14 04:43:45,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:43:45,917 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:43:45,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-14 04:43:46,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:43:46,121 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:43:46,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:43:46,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1085816061, now seen corresponding path program 1 times [2024-11-14 04:43:46,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:43:46,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364653920] [2024-11-14 04:43:46,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:46,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:43:46,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:43:46,124 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:43:46,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-14 04:43:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:46,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:43:46,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 896 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-14 04:43:48,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:43:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:43:50,368 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:43:50,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364653920] [2024-11-14 04:43:50,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364653920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:43:50,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2011922858] [2024-11-14 04:43:50,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:43:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:43:50,372 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:43:50,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-14 04:43:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:51,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:43:51,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-14 04:43:54,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:43:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:43:54,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2011922858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:43:54,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630156226] [2024-11-14 04:43:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:43:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:43:54,901 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:43:54,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-14 04:43:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:55,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:43:55,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-14 04:43:56,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:43:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:43:57,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630156226] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:43:57,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:43:57,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 13 [2024-11-14 04:43:57,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267451236] [2024-11-14 04:43:57,788 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:43:57,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:43:57,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:43:57,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:43:57,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:43:57,790 INFO L87 Difference]: Start difference. First operand 335 states and 482 transitions. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 4 states have call successors, (60), 3 states have call predecessors, (60), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2024-11-14 04:44:01,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:03,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:06,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:09,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:11,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:14,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:16,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:16,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:44:16,695 INFO L93 Difference]: Finished difference Result 883 states and 1254 transitions. [2024-11-14 04:44:16,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 04:44:16,718 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 4 states have call successors, (60), 3 states have call predecessors, (60), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 198 [2024-11-14 04:44:16,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:44:16,725 INFO L225 Difference]: With dead ends: 883 [2024-11-14 04:44:16,725 INFO L226 Difference]: Without dead ends: 626 [2024-11-14 04:44:16,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1198 GetRequests, 1171 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2024-11-14 04:44:16,728 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 413 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 364 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:44:16,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 372 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 254 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2024-11-14 04:44:16,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-14 04:44:16,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 337. [2024-11-14 04:44:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 210 states have (on average 1.161904761904762) internal successors, (244), 212 states have internal predecessors, (244), 116 states have call successors, (116), 10 states have call predecessors, (116), 10 states have return successors, (116), 114 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-14 04:44:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 476 transitions. [2024-11-14 04:44:16,810 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 476 transitions. Word has length 198 [2024-11-14 04:44:16,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:44:16,811 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 476 transitions. [2024-11-14 04:44:16,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 4 states have call successors, (60), 3 states have call predecessors, (60), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2024-11-14 04:44:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 476 transitions. [2024-11-14 04:44:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-14 04:44:16,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:44:16,814 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:44:16,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-14 04:44:17,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-14 04:44:17,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-14 04:44:17,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:44:17,415 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:44:17,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:44:17,416 INFO L85 PathProgramCache]: Analyzing trace with hash 300160425, now seen corresponding path program 1 times [2024-11-14 04:44:17,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:44:17,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277560774] [2024-11-14 04:44:17,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:44:17,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:44:17,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:44:17,419 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:44:17,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-14 04:44:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:44:17,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:44:17,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:44:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 899 proven. 42 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2024-11-14 04:44:18,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:44:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 45 proven. 42 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:44:19,235 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:44:19,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277560774] [2024-11-14 04:44:19,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277560774] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:44:19,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [384860123] [2024-11-14 04:44:19,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:44:19,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:44:19,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:44:19,238 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:44:19,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-14 04:44:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:44:19,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:44:19,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:44:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 04:44:20,002 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:44:20,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [384860123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:44:20,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:44:20,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 7] total 11 [2024-11-14 04:44:20,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229866467] [2024-11-14 04:44:20,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:44:20,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:44:20,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:44:20,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:44:20,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:44:20,004 INFO L87 Difference]: Start difference. First operand 337 states and 476 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:44:21,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:24,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:24,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:44:24,221 INFO L93 Difference]: Finished difference Result 595 states and 844 transitions. [2024-11-14 04:44:24,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:44:24,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2024-11-14 04:44:24,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:44:24,226 INFO L225 Difference]: With dead ends: 595 [2024-11-14 04:44:24,226 INFO L226 Difference]: Without dead ends: 339 [2024-11-14 04:44:24,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 584 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:44:24,228 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 116 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:44:24,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 488 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-14 04:44:24,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-14 04:44:24,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2024-11-14 04:44:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 208 states have (on average 1.1153846153846154) internal successors, (232), 210 states have internal predecessors, (232), 116 states have call successors, (116), 10 states have call predecessors, (116), 10 states have return successors, (116), 114 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-14 04:44:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 464 transitions. [2024-11-14 04:44:24,304 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 464 transitions. Word has length 199 [2024-11-14 04:44:24,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:44:24,305 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 464 transitions. [2024-11-14 04:44:24,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:44:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 464 transitions. [2024-11-14 04:44:24,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-14 04:44:24,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:44:24,308 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:44:24,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-14 04:44:24,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-11-14 04:44:24,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:44:24,709 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:44:24,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:44:24,709 INFO L85 PathProgramCache]: Analyzing trace with hash -92866585, now seen corresponding path program 1 times [2024-11-14 04:44:24,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:44:24,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037684045] [2024-11-14 04:44:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:44:24,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:44:24,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:44:24,712 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:44:24,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2bce6-ad4b-432c-9770-ecc548abb648/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-14 04:44:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:44:25,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 04:44:25,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:45:08,650 WARN L286 SmtUtils]: Spent 16.93s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:46:37,218 WARN L286 SmtUtils]: Spent 14.34s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:47:00,690 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_10~0 c_~var_1_11~0) (= c_~var_1_25~0 ((_ sign_extend 24) c_~var_1_10~0)) (fp.geq c_~var_1_4~0 (fp.mul c_currentRoundingMode c_~var_1_3~0 (fp.add c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_15~0 c_~var_1_16~0)) (.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 20.0))))) (let ((.cse0 (fp.lt .cse2 .cse1))) (or (and (not .cse0) (= c_~var_1_12~0 .cse1)) (and .cse0 (= c_~var_1_12~0 .cse2))))) (= c_~var_1_17~0 c_~var_1_11~0) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (= c_~var_1_19~0 c_~var_1_20~0)) is different from true [2024-11-14 04:48:20,872 WARN L286 SmtUtils]: Spent 20.84s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:50:08,777 WARN L286 SmtUtils]: Spent 26.40s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)