./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 32bbf5b6b15e8e45a78ed01aff570512bbe14911dc5894acdb61cde4404467f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:19,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:19,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:56:19,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:19,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:19,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:19,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:19,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:19,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:19,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:19,431 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:19,433 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:19,434 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:19,434 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:56:19,435 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:19,435 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:19,435 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:56:19,435 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:56:19,436 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:19,436 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:56:19,436 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:56:19,436 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:56:19,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:19,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:19,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:56:19,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:56:19,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:56:19,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:19,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:19,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:19,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:19,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:19,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:56:19,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:19,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:19,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:19,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:19,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:19,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:19,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:19,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:19,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:56:19,440 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:56:19,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:56:19,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:19,440 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:19,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:56:19,440 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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 -> 32bbf5b6b15e8e45a78ed01aff570512bbe14911dc5894acdb61cde4404467f0 [2024-11-14 04:56:19,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:19,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:19,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:19,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:19,908 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:19,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i Unable to find full path for "g++" [2024-11-14 04:56:22,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:22,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:22,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i [2024-11-14 04:56:22,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/data/12876ff5e/2ff03f74005e40a48c32256311491d60/FLAGd9a9385dd [2024-11-14 04:56:22,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/data/12876ff5e/2ff03f74005e40a48c32256311491d60 [2024-11-14 04:56:22,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:22,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:22,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:22,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:22,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:22,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:22" (1/1) ... [2024-11-14 04:56:22,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777e9e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:22, skipping insertion in model container [2024-11-14 04:56:22,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:22" (1/1) ... [2024-11-14 04:56:22,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:23,057 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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i[916,929] [2024-11-14 04:56:23,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:23,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:56:23,204 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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i[916,929] [2024-11-14 04:56:23,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:23,305 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:56:23,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23 WrapperNode [2024-11-14 04:56:23,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:23,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:23,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:56:23,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:56:23,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,391 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 526 [2024-11-14 04:56:23,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:23,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:56:23,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:56:23,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:56:23,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:56:23,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:56:23,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:56:23,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:56:23,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (1/1) ... [2024-11-14 04:56:23,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:23,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:23,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:56:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 04:56:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 04:56:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:56:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 04:56:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:56:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:56:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:56:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:23,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:23,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:56:24,505 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-14 04:56:24,506 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:56:25,276 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:56:25,278 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:56:25,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:25 BoogieIcfgContainer [2024-11-14 04:56:25,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:56:25,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:56:25,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:56:25,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:56:25,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:56:22" (1/3) ... [2024-11-14 04:56:25,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380ee5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:25, skipping insertion in model container [2024-11-14 04:56:25,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:23" (2/3) ... [2024-11-14 04:56:25,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380ee5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:25, skipping insertion in model container [2024-11-14 04:56:25,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:25" (3/3) ... [2024-11-14 04:56:25,292 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-64.i [2024-11-14 04:56:25,310 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:56:25,312 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-64.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:56:25,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:56:25,398 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;@5babc273, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:56:25,400 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:56:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:56:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 04:56:25,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:25,418 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:25,418 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:25,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:25,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1729211844, now seen corresponding path program 1 times [2024-11-14 04:56:25,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:56:25,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367563566] [2024-11-14 04:56:25,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:56:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:56:28,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510945060] [2024-11-14 04:56:28,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:28,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:56:28,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:28,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:56:28,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:56:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:56:30,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:56:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:56:32,401 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:56:32,403 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:56:32,404 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:56:32,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:56:32,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:56:32,614 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:56:32,729 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:56:32,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:56:32 BoogieIcfgContainer [2024-11-14 04:56:32,735 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:56:32,736 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:56:32,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:56:32,736 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:56:32,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:25" (3/4) ... [2024-11-14 04:56:32,741 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:56:32,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:56:32,748 INFO L158 Benchmark]: Toolchain (without parser) took 9982.63ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.5MB in the beginning and 257.4MB in the end (delta: -163.9MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-11-14 04:56:32,748 INFO L158 Benchmark]: CDTParser took 2.58ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:32,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.41ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 78.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:56:32,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.58ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:32,749 INFO L158 Benchmark]: Boogie Preprocessor took 75.92ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 71.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:32,749 INFO L158 Benchmark]: RCFGBuilder took 1805.84ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 71.3MB in the beginning and 293.8MB in the end (delta: -222.6MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-14 04:56:32,750 INFO L158 Benchmark]: TraceAbstraction took 7453.01ms. Allocated memory is still 352.3MB. Free memory was 293.2MB in the beginning and 257.5MB in the end (delta: 35.7MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-14 04:56:32,750 INFO L158 Benchmark]: Witness Printer took 6.10ms. Allocated memory is still 352.3MB. Free memory was 257.5MB in the beginning and 257.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:32,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.58ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.41ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 78.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.58ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.92ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 71.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1805.84ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 71.3MB in the beginning and 293.8MB in the end (delta: -222.6MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7453.01ms. Allocated memory is still 352.3MB. Free memory was 293.2MB in the beginning and 257.5MB in the end (delta: 35.7MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 6.10ms. Allocated memory is still 352.3MB. Free memory was 257.5MB in the beginning and 257.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someUnaryDOUBLEoperation at line 29, overapproximation of bitwiseAnd at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L25-L27] double double_Array_0[2] = { 9.5, 0.9 }; [L28-L30] float float_Array_0[3] = { 0.8, -0.151, 63.5 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -2 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 10, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[3] = { 256, 2941876006, 128 }; [L40-L42] unsigned short int unsigned_short_int_Array_0[1] = { 8 }; [L43] unsigned char last_1_unsigned_char_Array_0_0_ = 10; [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] CALL updateLastVariables() [L111] EXPR unsigned_char_Array_0[0] [L111] last_1_unsigned_char_Array_0_0_ = unsigned_char_Array_0[0] [L121] RET updateLastVariables() [L122] CALL updateVariables() [L78] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L80] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L81] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L82] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L83] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L83] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L84] double_Array_0[0] = __VERIFIER_nondet_double() [L85] EXPR double_Array_0[0] [L85] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L85] EXPR double_Array_0[0] [L85] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L85] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L85] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L86] float_Array_0[0] = __VERIFIER_nondet_float() [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L87] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L87] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L87] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L88] float_Array_0[1] = __VERIFIER_nondet_float() [L89] EXPR float_Array_0[1] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L89] EXPR float_Array_0[1] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L89] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L89] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L90] float_Array_0[2] = __VERIFIER_nondet_float() [L91] EXPR float_Array_0[2] [L91] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L91] EXPR float_Array_0[2] [L91] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L91] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L91] CALL assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L92] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L93] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L93] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L94] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L95] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L96] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L96] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L97] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L98] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L98] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_long_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L99] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L100] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L101] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L101] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L102] unsigned_long_int_Array_0[2] = __VERIFIER_nondet_ulong() [L103] EXPR unsigned_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L103] CALL assume_abort_if_not(unsigned_long_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(unsigned_long_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR unsigned_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] CALL assume_abort_if_not(unsigned_long_int_Array_0[2] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(unsigned_long_int_Array_0[2] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L105] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L106] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L106] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L107] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L107] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L108] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L108] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(unsigned_short_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L122] RET updateVariables() [L123] CALL step() [L47] signed long int stepLocal_1 = last_1_unsigned_char_Array_0_0_; [L48] EXPR unsigned_long_int_Array_0[1] [L48] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[1]; [L49] EXPR unsigned_long_int_Array_0[1] [L49] COND TRUE stepLocal_1 <= (unsigned_long_int_Array_0[1] - last_1_unsigned_char_Array_0_0_) [L50] EXPR unsigned_long_int_Array_0[0] [L50] EXPR (((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_) [L50] COND FALSE !(stepLocal_0 < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) [L55] EXPR double_Array_0[0] [L55] double_Array_0[1] = double_Array_0[0] [L58] EXPR double_Array_0[1] [L58] EXPR double_Array_0[1] [L58] COND TRUE double_Array_0[1] < double_Array_0[1] [L59] EXPR BOOL_unsigned_char_Array_0[2] [L59] EXPR BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[0] [L59] EXPR BOOL_unsigned_char_Array_0[0] [L59] EXPR BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[0] [L59] BOOL_unsigned_char_Array_0[1] = (! (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[0])) [L61] EXPR unsigned_long_int_Array_0[2] [L61] EXPR unsigned_long_int_Array_0[0] [L61] EXPR unsigned_short_int_Array_0[0] [L61] EXPR unsigned_long_int_Array_0[2] & (unsigned_long_int_Array_0[0] / unsigned_short_int_Array_0[0]) [L61] unsigned long int stepLocal_2 = unsigned_long_int_Array_0[2] & (unsigned_long_int_Array_0[0] / unsigned_short_int_Array_0[0]); [L62] EXPR unsigned_long_int_Array_0[1] [L62] COND FALSE !(stepLocal_2 > unsigned_long_int_Array_0[1]) [L69] EXPR unsigned_char_Array_0[1] [L69] unsigned_char_Array_0[0] = unsigned_char_Array_0[1] [L71] BOOL_unsigned_char_Array_0[1] [L71] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR unsigned_long_int_Array_0[1] [L114] EXPR (last_1_unsigned_char_Array_0_0_ <= (unsigned_long_int_Array_0[1] - last_1_unsigned_char_Array_0_0_)) ? ((unsigned_long_int_Array_0[1] < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) ? (((float_Array_0[2] + float_Array_0[1]) > float_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : 1) : (double_Array_0[1] == ((double) double_Array_0[0]))) : 1 [L114] EXPR unsigned_long_int_Array_0[1] [L114] EXPR unsigned_long_int_Array_0[0] [L114] EXPR (((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_) [L114] EXPR (unsigned_long_int_Array_0[1] < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) ? (((float_Array_0[2] + float_Array_0[1]) > float_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : 1) : (double_Array_0[1] == ((double) double_Array_0[0])) [L114] EXPR double_Array_0[1] [L114] EXPR double_Array_0[0] [L114] EXPR (unsigned_long_int_Array_0[1] < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) ? (((float_Array_0[2] + float_Array_0[1]) > float_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : 1) : (double_Array_0[1] == ((double) double_Array_0[0])) [L114] EXPR (last_1_unsigned_char_Array_0_0_ <= (unsigned_long_int_Array_0[1] - last_1_unsigned_char_Array_0_0_)) ? ((unsigned_long_int_Array_0[1] < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) ? (((float_Array_0[2] + float_Array_0[1]) > float_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : 1) : (double_Array_0[1] == ((double) double_Array_0[0]))) : 1 [L114] EXPR ((last_1_unsigned_char_Array_0_0_ <= (unsigned_long_int_Array_0[1] - last_1_unsigned_char_Array_0_0_)) ? ((unsigned_long_int_Array_0[1] < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) ? (((float_Array_0[2] + float_Array_0[1]) > float_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : 1) : (double_Array_0[1] == ((double) double_Array_0[0]))) : 1) && ((double_Array_0[1] < double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (! (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[0])))) : 1) [L114] EXPR (((last_1_unsigned_char_Array_0_0_ <= (unsigned_long_int_Array_0[1] - last_1_unsigned_char_Array_0_0_)) ? ((unsigned_long_int_Array_0[1] < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) ? (((float_Array_0[2] + float_Array_0[1]) > float_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : 1) : (double_Array_0[1] == ((double) double_Array_0[0]))) : 1) && ((double_Array_0[1] < double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (! (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[0])))) : 1)) && (BOOL_unsigned_char_Array_0[1] ? ((BOOL_unsigned_char_Array_0[0] || (double_Array_0[1] < (double_Array_0[1] * double_Array_0[1]))) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : 1) : 1) [L114] EXPR ((((last_1_unsigned_char_Array_0_0_ <= (unsigned_long_int_Array_0[1] - last_1_unsigned_char_Array_0_0_)) ? ((unsigned_long_int_Array_0[1] < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) ? (((float_Array_0[2] + float_Array_0[1]) > float_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : 1) : (double_Array_0[1] == ((double) double_Array_0[0]))) : 1) && ((double_Array_0[1] < double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (! (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[0])))) : 1)) && (BOOL_unsigned_char_Array_0[1] ? ((BOOL_unsigned_char_Array_0[0] || (double_Array_0[1] < (double_Array_0[1] * double_Array_0[1]))) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : 1) : 1)) && (((unsigned_long_int_Array_0[2] & (unsigned_long_int_Array_0[0] / unsigned_short_int_Array_0[0])) > unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) [L114-L115] return ((((last_1_unsigned_char_Array_0_0_ <= (unsigned_long_int_Array_0[1] - last_1_unsigned_char_Array_0_0_)) ? ((unsigned_long_int_Array_0[1] < (((((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) > (last_1_unsigned_char_Array_0_0_)) ? ((last_1_unsigned_char_Array_0_0_ / unsigned_long_int_Array_0[0])) : (last_1_unsigned_char_Array_0_0_)))) ? (((float_Array_0[2] + float_Array_0[1]) > float_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : 1) : (double_Array_0[1] == ((double) double_Array_0[0]))) : 1) && ((double_Array_0[1] < double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (! (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[0])))) : 1)) && (BOOL_unsigned_char_Array_0[1] ? ((BOOL_unsigned_char_Array_0[0] || (double_Array_0[1] < (double_Array_0[1] * double_Array_0[1]))) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : 1) : 1)) && (((unsigned_long_int_Array_0[2] & (unsigned_long_int_Array_0[0] / unsigned_short_int_Array_0[0])) > unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0_=10, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:56:32,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 32bbf5b6b15e8e45a78ed01aff570512bbe14911dc5894acdb61cde4404467f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:35,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:35,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:56:35,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:35,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:35,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:35,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:35,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:35,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:35,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:35,925 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:35,925 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:35,925 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:35,925 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:35,926 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:35,926 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:35,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:35,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:35,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:56:35,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:56:35,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:35,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:35,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:35,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:35,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:56:35,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:56:35,928 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:35,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:56:35,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:56:35,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:35,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:35,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:35,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:56:35,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:35,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:35,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:35,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:35,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:35,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:56:35,931 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:56:35,931 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:56:35,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:35,931 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:35,931 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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 -> 32bbf5b6b15e8e45a78ed01aff570512bbe14911dc5894acdb61cde4404467f0 [2024-11-14 04:56:36,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:36,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:36,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:36,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:36,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:36,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i Unable to find full path for "g++" [2024-11-14 04:56:38,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:38,721 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:38,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i [2024-11-14 04:56:38,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/data/7fc913717/b8abd9ec20f74401bc04e661d2cfa2e8/FLAGdad703222 [2024-11-14 04:56:38,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/data/7fc913717/b8abd9ec20f74401bc04e661d2cfa2e8 [2024-11-14 04:56:38,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:38,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:38,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:38,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:38,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:38,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:38" (1/1) ... [2024-11-14 04:56:38,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5610d779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:38, skipping insertion in model container [2024-11-14 04:56:38,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:38" (1/1) ... [2024-11-14 04:56:38,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:39,010 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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i[916,929] [2024-11-14 04:56:39,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:39,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:56:39,148 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_d88ab0f7-3d2b-441f-8d9d-477f72d41747/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-64.i[916,929] [2024-11-14 04:56:39,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:39,291 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:56:39,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39 WrapperNode [2024-11-14 04:56:39,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:39,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:39,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:56:39,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:56:39,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,394 INFO L138 Inliner]: procedures = 39, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 509 [2024-11-14 04:56:39,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:39,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:56:39,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:56:39,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:56:39,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:56:39,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:56:39,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:56:39,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:56:39,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (1/1) ... [2024-11-14 04:56:39,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:39,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:39,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:39,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-14 04:56:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-14 04:56:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 04:56:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-14 04:56:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:56:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 04:56:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 04:56:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-14 04:56:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:56:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 04:56:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 04:56:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 04:56:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:56:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:56:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 04:56:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 04:56:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:56:39,802 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:39,805 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:56:42,581 INFO L? ?]: Removed 118 outVars from TransFormulas that were not future-live. [2024-11-14 04:56:42,581 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:56:42,597 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:56:42,598 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:56:42,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:42 BoogieIcfgContainer [2024-11-14 04:56:42,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:56:42,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:56:42,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:56:42,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:56:42,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:56:38" (1/3) ... [2024-11-14 04:56:42,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716fb829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:42, skipping insertion in model container [2024-11-14 04:56:42,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:39" (2/3) ... [2024-11-14 04:56:42,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716fb829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:42, skipping insertion in model container [2024-11-14 04:56:42,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:42" (3/3) ... [2024-11-14 04:56:42,614 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-64.i [2024-11-14 04:56:42,629 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:56:42,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-64.i that has 2 procedures, 121 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:56:42,692 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:56:42,703 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;@5f9ecde0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:56:42,703 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:56:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:56:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-14 04:56:42,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:42,721 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:42,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:42,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:42,726 INFO L85 PathProgramCache]: Analyzing trace with hash 964597590, now seen corresponding path program 1 times [2024-11-14 04:56:42,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:42,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834791549] [2024-11-14 04:56:42,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:42,739 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 04:56:42,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:42,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:42,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:43,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:56:43,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-11-14 04:56:43,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:56:43,248 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:56:43,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834791549] [2024-11-14 04:56:43,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1834791549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:56:43,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:56:43,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:56:43,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705493855] [2024-11-14 04:56:43,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:56:43,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:56:43,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:56:43,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:56:43,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:56:43,280 INFO L87 Difference]: Start difference. First operand has 121 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:56:43,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:56:43,321 INFO L93 Difference]: Finished difference Result 235 states and 374 transitions. [2024-11-14 04:56:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:56:43,323 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 157 [2024-11-14 04:56:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:56:43,330 INFO L225 Difference]: With dead ends: 235 [2024-11-14 04:56:43,330 INFO L226 Difference]: Without dead ends: 117 [2024-11-14 04:56:43,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:56:43,336 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:56:43,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:56:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-14 04:56:43,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-14 04:56:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:56:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 173 transitions. [2024-11-14 04:56:43,381 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 173 transitions. Word has length 157 [2024-11-14 04:56:43,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:56:43,381 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 173 transitions. [2024-11-14 04:56:43,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:56:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2024-11-14 04:56:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-14 04:56:43,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:43,386 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:43,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:43,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:43,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:43,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:43,588 INFO L85 PathProgramCache]: Analyzing trace with hash -895580490, now seen corresponding path program 1 times [2024-11-14 04:56:43,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:43,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148282821] [2024-11-14 04:56:43,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:43,589 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 04:56:43,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:43,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:43,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:44,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:56:44,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:56:44,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:56:44,191 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:56:44,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148282821] [2024-11-14 04:56:44,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148282821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:56:44,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:56:44,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:56:44,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826896644] [2024-11-14 04:56:44,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:56:44,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:56:44,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:56:44,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:56:44,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:56:44,195 INFO L87 Difference]: Start difference. First operand 117 states and 173 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:56:44,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:56:44,304 INFO L93 Difference]: Finished difference Result 233 states and 346 transitions. [2024-11-14 04:56:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:56:44,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 157 [2024-11-14 04:56:44,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:56:44,308 INFO L225 Difference]: With dead ends: 233 [2024-11-14 04:56:44,308 INFO L226 Difference]: Without dead ends: 119 [2024-11-14 04:56:44,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:56:44,310 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:56:44,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 502 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:56:44,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-14 04:56:44,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-14 04:56:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:56:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2024-11-14 04:56:44,326 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 157 [2024-11-14 04:56:44,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:56:44,328 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2024-11-14 04:56:44,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:56:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2024-11-14 04:56:44,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-14 04:56:44,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:44,334 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:44,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:44,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:44,535 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:44,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:44,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1503682376, now seen corresponding path program 1 times [2024-11-14 04:56:44,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:44,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458655311] [2024-11-14 04:56:44,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:44,537 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 04:56:44,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:44,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:44,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 04:56:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:45,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:56:45,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:56:45,093 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:56:45,093 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:56:45,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458655311] [2024-11-14 04:56:45,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458655311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:56:45,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:56:45,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:56:45,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728171968] [2024-11-14 04:56:45,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:56:45,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:56:45,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:56:45,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:56:45,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:56:45,096 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:56:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:56:45,225 INFO L93 Difference]: Finished difference Result 238 states and 351 transitions. [2024-11-14 04:56:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:56:45,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2024-11-14 04:56:45,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:56:45,228 INFO L225 Difference]: With dead ends: 238 [2024-11-14 04:56:45,228 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 04:56:45,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:56:45,229 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:56:45,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 663 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:56:45,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 04:56:45,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-14 04:56:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:56:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 178 transitions. [2024-11-14 04:56:45,260 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 178 transitions. Word has length 159 [2024-11-14 04:56:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:56:45,261 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-11-14 04:56:45,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:56:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 178 transitions. [2024-11-14 04:56:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-14 04:56:45,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:45,264 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:45,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 04:56:45,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:45,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:45,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:45,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2108172709, now seen corresponding path program 1 times [2024-11-14 04:56:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:45,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037039871] [2024-11-14 04:56:45,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:45,470 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 04:56:45,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:45,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:45,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:56:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:46,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 04:56:46,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:46,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-14 04:56:50,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2024-11-14 04:56:50,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-14 04:56:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:56:50,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:56:50,849 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:56:50,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037039871] [2024-11-14 04:56:50,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037039871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:56:50,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:56:50,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 04:56:50,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618581677] [2024-11-14 04:56:50,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:56:50,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 04:56:50,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:56:50,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 04:56:50,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:56:50,852 INFO L87 Difference]: Start difference. First operand 122 states and 178 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:56:57,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:56:59,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:01,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:03,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:04,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:04,638 INFO L93 Difference]: Finished difference Result 403 states and 588 transitions. [2024-11-14 04:57:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:57:04,639 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-14 04:57:04,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:04,645 INFO L225 Difference]: With dead ends: 403 [2024-11-14 04:57:04,645 INFO L226 Difference]: Without dead ends: 284 [2024-11-14 04:57:04,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:57:04,649 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 142 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:04,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 582 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 627 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2024-11-14 04:57:04,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-14 04:57:04,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 201. [2024-11-14 04:57:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 158 states have (on average 1.360759493670886) internal successors, (215), 158 states have internal predecessors, (215), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 04:57:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 295 transitions. [2024-11-14 04:57:04,696 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 295 transitions. Word has length 160 [2024-11-14 04:57:04,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:04,697 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 295 transitions. [2024-11-14 04:57:04,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:57:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 295 transitions. [2024-11-14 04:57:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-14 04:57:04,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:04,700 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:57:04,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:57:04,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:57:04,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:04,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:04,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1629318900, now seen corresponding path program 1 times [2024-11-14 04:57:04,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:04,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256085864] [2024-11-14 04:57:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:04,903 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 04:57:04,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:04,905 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:57:04,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:57:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:05,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:57:05,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:57:05,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:05,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:05,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256085864] [2024-11-14 04:57:05,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256085864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:05,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:05,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:57:05,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672827694] [2024-11-14 04:57:05,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:05,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:57:05,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:05,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:57:05,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:57:05,438 INFO L87 Difference]: Start difference. First operand 201 states and 295 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:57:05,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:05,566 INFO L93 Difference]: Finished difference Result 323 states and 474 transitions. [2024-11-14 04:57:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:57:05,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 161 [2024-11-14 04:57:05,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:05,570 INFO L225 Difference]: With dead ends: 323 [2024-11-14 04:57:05,570 INFO L226 Difference]: Without dead ends: 204 [2024-11-14 04:57:05,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:57:05,572 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:05,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 664 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:57:05,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-14 04:57:05,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-14 04:57:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 161 states have (on average 1.3540372670807452) internal successors, (218), 161 states have internal predecessors, (218), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 04:57:05,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 298 transitions. [2024-11-14 04:57:05,607 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 298 transitions. Word has length 161 [2024-11-14 04:57:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:05,609 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 298 transitions. [2024-11-14 04:57:05,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:57:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 298 transitions. [2024-11-14 04:57:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-14 04:57:05,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:05,615 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:57:05,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-14 04:57:05,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:57:05,816 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:05,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:05,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1461567795, now seen corresponding path program 1 times [2024-11-14 04:57:05,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:05,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113527445] [2024-11-14 04:57:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:05,817 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 04:57:05,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:05,819 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:57:05,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:57:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:06,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:57:06,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:06,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:57:06,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 31 [2024-11-14 04:57:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:57:06,333 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:06,334 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:06,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113527445] [2024-11-14 04:57:06,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113527445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:06,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:06,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:57:06,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784524400] [2024-11-14 04:57:06,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:06,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:57:06,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:06,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:57:06,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:57:06,340 INFO L87 Difference]: Start difference. First operand 204 states and 298 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:57:06,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:06,429 INFO L93 Difference]: Finished difference Result 323 states and 472 transitions. [2024-11-14 04:57:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:57:06,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 161 [2024-11-14 04:57:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:06,435 INFO L225 Difference]: With dead ends: 323 [2024-11-14 04:57:06,435 INFO L226 Difference]: Without dead ends: 201 [2024-11-14 04:57:06,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 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 04:57:06,439 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:06,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 332 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:57:06,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-14 04:57:06,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2024-11-14 04:57:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 158 states have (on average 1.3481012658227849) internal successors, (213), 158 states have internal predecessors, (213), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 04:57:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 293 transitions. [2024-11-14 04:57:06,474 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 293 transitions. Word has length 161 [2024-11-14 04:57:06,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:06,476 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 293 transitions. [2024-11-14 04:57:06,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:57:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 293 transitions. [2024-11-14 04:57:06,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-14 04:57:06,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:06,479 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:57:06,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:57:06,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:57:06,682 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:06,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:06,682 INFO L85 PathProgramCache]: Analyzing trace with hash 871995051, now seen corresponding path program 1 times [2024-11-14 04:57:06,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:06,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157003140] [2024-11-14 04:57:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:06,683 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 04:57:06,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:06,686 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 04:57:06,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 04:57:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:07,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 04:57:07,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:08,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-14 04:57:11,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 04:57:12,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-14 04:57:12,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-14 04:57:13,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:57:14,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:57:14,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:57:14,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-14 04:57:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 232 proven. 216 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-14 04:57:14,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:57:21,735 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_185 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_184 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 ((_ zero_extend 24) c_~last_1_unsigned_char_Array_0_0_~0))) (bvugt (bvudiv .cse0 (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_184) |c_~#unsigned_char_Array_0~0.base| v_ArrVal_185) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)) .cse0)))) is different from false [2024-11-14 04:57:22,723 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:22,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157003140] [2024-11-14 04:57:22,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [157003140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:57:22,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1145525971] [2024-11-14 04:57:22,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:22,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:57:22,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:57:22,729 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:57:22,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 04:57:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:24,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 04:57:24,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:25,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-14 04:57:28,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 04:57:30,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 04:57:31,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 04:57:31,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:57:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 232 proven. 216 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-14 04:57:33,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:57:42,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1145525971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:57:42,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932792408] [2024-11-14 04:57:42,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:57:42,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:42,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:57:42,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 04:57:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:50,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-14 04:57:50,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:52,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2024-11-14 04:58:00,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 90 [2024-11-14 04:58:01,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 90 [2024-11-14 04:58:02,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 90 [2024-11-14 04:58:04,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 90 [2024-11-14 04:58:06,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 90 [2024-11-14 04:58:10,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 90 [2024-11-14 04:58:11,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 90 [2024-11-14 04:58:14,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 90 [2024-11-14 04:58:17,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:58:17,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 182 treesize of output 102 [2024-11-14 04:58:20,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 118 [2024-11-14 04:58:23,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:58:23,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 333 treesize of output 147 [2024-11-14 04:58:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 560 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-14 04:58:26,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:58:30,297 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_262 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_262) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse0 (concat (select .cse1 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (select .cse1 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse2 (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) is different from false [2024-11-14 04:58:30,368 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_69| (_ BitVec 64)) (v_ArrVal_262 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (.cse6 (select |c_#memory_int| |c_~#double_Array_0~0.base|))) (or (let ((.cse3 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|)) (.cse2 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse6 .cse3 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_69|)) .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_69|))) |c_~#unsigned_char_Array_0~0.base| v_ArrVal_262) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse0 (concat (select .cse1 .cse2) (select .cse1 .cse3)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse4 (concat (select .cse1 .cse5) (select .cse1 |c_~#double_Array_0~0.offset|)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_69|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_69|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_69|)) (let ((.cse7 (concat (select .cse6 .cse5) (select .cse6 |c_~#double_Array_0~0.offset|)))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))))))) is different from false [2024-11-14 04:58:30,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932792408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:58:30,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:58:30,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 16] total 34 [2024-11-14 04:58:30,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269478074] [2024-11-14 04:58:30,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:58:30,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-14 04:58:30,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:58:30,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-14 04:58:30,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1659, Unknown=18, NotChecked=252, Total=2070 [2024-11-14 04:58:30,504 INFO L87 Difference]: Start difference. First operand 201 states and 293 transitions. Second operand has 35 states, 33 states have (on average 6.303030303030303) internal successors, (208), 34 states have internal predecessors, (208), 13 states have call successors, (60), 11 states have call predecessors, (60), 14 states have return successors, (60), 11 states have call predecessors, (60), 13 states have call successors, (60) [2024-11-14 04:58:49,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:59:40,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:08,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:10,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:12,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:17,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:20,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:34,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:40,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:55,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-11-14 05:00:55,683 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-14 05:00:55,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1631 ImplicationChecksByTransitivity, 108.2s TimeCoverageRelationStatistics Valid=944, Invalid=6706, Unknown=18, NotChecked=522, Total=8190 [2024-11-14 05:00:55,687 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1292 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 3819 mSolverCounterSat, 220 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 4047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 3819 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:00:55,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 2196 Invalid, 4047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [220 Valid, 3819 Invalid, 7 Unknown, 0 Unchecked, 81.0s Time] [2024-11-14 05:00:55,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-14 05:00:55,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-14 05:00:56,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-14 05:00:56,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/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 05:00:56,290 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:349) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1708) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:276) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:447) at java.base/java.io.OutputStream.write(OutputStream.java:167) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:125) at java.base/java.io.BufferedOutputStream.implFlush(BufferedOutputStream.java:252) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:246) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:412) at java.base/sun.nio.cs.StreamEncoder.lockedFlush(StreamEncoder.java:214) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:201) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:262) at java.base/java.io.BufferedWriter.implFlush(BufferedWriter.java:372) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:359) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 36 more [2024-11-14 05:00:56,295 INFO L158 Benchmark]: Toolchain (without parser) took 257518.64ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 94.1MB in the beginning and 99.8MB in the end (delta: -5.7MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2024-11-14 05:00:56,295 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:00:56,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.20ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 77.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:00:56,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.92ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 74.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:00:56,296 INFO L158 Benchmark]: Boogie Preprocessor took 107.72ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 70.8MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:00:56,296 INFO L158 Benchmark]: RCFGBuilder took 3091.44ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 84.7MB in the end (delta: -13.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-14 05:00:56,297 INFO L158 Benchmark]: TraceAbstraction took 253693.55ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 84.1MB in the beginning and 99.8MB in the end (delta: -15.7MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2024-11-14 05:00:56,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.20ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 77.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.92ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 74.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 107.72ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 70.8MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3091.44ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 84.7MB in the end (delta: -13.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 253693.55ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 84.1MB in the beginning and 99.8MB in the end (delta: -15.7MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88ab0f7-3d2b-441f-8d9d-477f72d41747/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken