./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 f622c0af01874eaee97ead89039fdcab82e6ffe35ddd9b1f07631012a1a2d1da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:58:58,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:58:58,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:58:58,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:58:58,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:58:58,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:58:58,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:58:58,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:58:58,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:58:58,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:58:58,262 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:58:58,262 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:58:58,263 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:58:58,263 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:58:58,263 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:58:58,264 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:58:58,264 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:58:58,264 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:58:58,264 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:58:58,264 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:58:58,264 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:58:58,265 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:58:58,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:58:58,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:58:58,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:58:58,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:58:58,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:58:58,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:58:58,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:58:58,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:58:58,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:58:58,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:58:58,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:58:58,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:58:58,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:58:58,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:58:58,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:58:58,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:58:58,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:58:58,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:58:58,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:58:58,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:58:58,269 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:58:58,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:58:58,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:58:58,270 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:58:58,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:58:58,270 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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 -> f622c0af01874eaee97ead89039fdcab82e6ffe35ddd9b1f07631012a1a2d1da [2024-11-14 04:58:58,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:58:58,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:58:58,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:58:58,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:58:58,691 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:58:58,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i Unable to find full path for "g++" [2024-11-14 04:59:01,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:59:01,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:59:01,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i [2024-11-14 04:59:01,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/data/f9745cf53/4e27aa8df58e44c7a7cb9876220e37a4/FLAG7356f0718 [2024-11-14 04:59:01,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/data/f9745cf53/4e27aa8df58e44c7a7cb9876220e37a4 [2024-11-14 04:59:01,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:59:01,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:59:01,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:59:01,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:59:01,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:59:01,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:59:01" (1/1) ... [2024-11-14 04:59:01,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:01, skipping insertion in model container [2024-11-14 04:59:01,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:59:01" (1/1) ... [2024-11-14 04:59:01,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:59:02,032 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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i[913,926] [2024-11-14 04:59:02,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:59:02,202 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:59:02,217 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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i[913,926] [2024-11-14 04:59:02,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:59:02,302 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:59:02,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02 WrapperNode [2024-11-14 04:59:02,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:59:02,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:59:02,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:59:02,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:59:02,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,424 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-14 04:59:02,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:59:02,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:59:02,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:59:02,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:59:02,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:59:02,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:59:02,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:59:02,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:59:02,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (1/1) ... [2024-11-14 04:59:02,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:59:02,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:59:02,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:59:02,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:59:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:59:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:59:02,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:59:02,722 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:59:03,345 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 04:59:03,345 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:59:03,635 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:59:03,635 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:59:03,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:59:03 BoogieIcfgContainer [2024-11-14 04:59:03,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:59:03,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:59:03,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:59:03,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:59:03,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:59:01" (1/3) ... [2024-11-14 04:59:03,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c96e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:59:03, skipping insertion in model container [2024-11-14 04:59:03,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:02" (2/3) ... [2024-11-14 04:59:03,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c96e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:59:03, skipping insertion in model container [2024-11-14 04:59:03,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:59:03" (3/3) ... [2024-11-14 04:59:03,654 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-19.i [2024-11-14 04:59:03,679 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:59:03,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-19.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:59:03,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:59:03,781 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;@2ef32479, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:59:03,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:59:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:59:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 04:59:03,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:03,797 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:03,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:03,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:03,804 INFO L85 PathProgramCache]: Analyzing trace with hash 291128985, now seen corresponding path program 1 times [2024-11-14 04:59:03,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:03,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288957910] [2024-11-14 04:59:03,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:59:04,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:59:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:59:04,885 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:59:04,888 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:59:04,890 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:59:04,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:59:04,898 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:59:05,039 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:59:05,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:59:05 BoogieIcfgContainer [2024-11-14 04:59:05,047 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:59:05,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:59:05,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:59:05,048 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:59:05,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:59:03" (3/4) ... [2024-11-14 04:59:05,053 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:59:05,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:59:05,056 INFO L158 Benchmark]: Toolchain (without parser) took 3236.27ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 73.5MB in the end (delta: 19.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-14 04:59:05,056 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:59:05,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.35ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 77.5MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:59:05,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.92ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 72.3MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:59:05,058 INFO L158 Benchmark]: Boogie Preprocessor took 81.70ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:59:05,058 INFO L158 Benchmark]: RCFGBuilder took 1126.50ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 79.7MB in the end (delta: -9.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-14 04:59:05,059 INFO L158 Benchmark]: TraceAbstraction took 1404.71ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 73.5MB in the end (delta: 5.6MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-11-14 04:59:05,059 INFO L158 Benchmark]: Witness Printer took 6.84ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:59:05,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.35ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 77.5MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.92ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 72.3MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.70ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1126.50ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 79.7MB in the end (delta: -9.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1404.71ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 73.5MB in the end (delta: 5.6MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Witness Printer took 6.84ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someUnaryFLOAToperation at line 51, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] unsigned char last_1_var_1_15 = 0; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] CALL updateLastVariables() [L122] last_1_var_1_15 = var_1_15 [L132] RET updateLastVariables() [L133] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L91] var_1_7 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L94] var_1_8 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L96] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L97] var_1_9 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L99] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L100] var_1_12 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L102] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L103] var_1_13 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L105] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L106] var_1_21 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L108] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L109] var_1_23 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L111] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L112] var_1_25 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L114] var_1_26 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L116] var_1_27 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L118] var_1_28 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=1, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=126, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L133] RET updateVariables() [L134] CALL step() [L47] COND FALSE !(\read(last_1_var_1_15)) [L50] COND FALSE !(\read(var_1_10)) [L53] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) [L55] COND FALSE !((- var_1_24) == (var_1_24 + var_1_24)) [L58] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L65] var_1_19 = var_1_2 [L67] COND TRUE var_1_24 != var_1_24 [L68] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L70] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); [L71] COND TRUE stepLocal_1 >= var_1_29 [L72] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) [L74] COND FALSE !(\read(var_1_15)) [L77] signed long int stepLocal_0 = var_1_2 - var_1_3; [L78] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L79] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L134] RET step() [L135] CALL, EXPR property() [L125-L126] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=1, var_1_24=56843, var_1_25=56843, var_1_26=56843, var_1_29=127, var_1_2=127, var_1_3=126, var_1_6=-32513, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=1, var_1_24=56843, var_1_25=56843, var_1_26=56843, var_1_29=127, var_1_2=127, var_1_3=126, var_1_6=-32513, var_1_7=32767, var_1_8=16383, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:59:05,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 f622c0af01874eaee97ead89039fdcab82e6ffe35ddd9b1f07631012a1a2d1da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:59:08,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:59:08,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:59:08,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:59:08,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:59:08,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:59:08,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:59:08,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:59:08,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:59:08,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:59:08,838 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:59:08,838 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:59:08,838 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:59:08,838 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:59:08,838 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:59:08,838 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:59:08,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:59:08,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:59:08,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:59:08,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:59:08,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:59:08,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:59:08,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:59:08,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:59:08,842 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:59:08,842 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:59:08,843 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:59:08,843 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:59:08,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:59:08,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:59:08,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:59:08,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:59:08,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:59:08,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:59:08,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:59:08,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:59:08,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:59:08,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:59:08,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:59:08,844 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:59:08,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:59:08,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:59:08,844 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:59:08,844 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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 -> f622c0af01874eaee97ead89039fdcab82e6ffe35ddd9b1f07631012a1a2d1da [2024-11-14 04:59:09,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:59:09,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:59:09,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:59:09,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:59:09,314 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:59:09,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i Unable to find full path for "g++" [2024-11-14 04:59:11,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:59:12,170 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:59:12,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i [2024-11-14 04:59:12,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/data/f7a412724/6ae718f5d9b944b9834dcca048aaa544/FLAGa0ae06e77 [2024-11-14 04:59:12,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/data/f7a412724/6ae718f5d9b944b9834dcca048aaa544 [2024-11-14 04:59:12,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:59:12,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:59:12,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:59:12,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:59:12,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:59:12,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a5babd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12, skipping insertion in model container [2024-11-14 04:59:12,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:59:12,502 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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i[913,926] [2024-11-14 04:59:12,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:59:12,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:59:12,685 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_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-19.i[913,926] [2024-11-14 04:59:12,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:59:12,808 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:59:12,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12 WrapperNode [2024-11-14 04:59:12,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:59:12,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:59:12,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:59:12,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:59:12,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,899 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-14 04:59:12,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:59:12,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:59:12,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:59:12,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:59:12,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:12,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:59:12,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:59:12,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:59:12,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:59:12,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (1/1) ... [2024-11-14 04:59:13,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:59:13,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:59:13,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:59:13,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:59:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:59:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:59:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:59:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:59:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:59:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:59:13,207 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:59:13,212 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:59:20,527 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 04:59:20,528 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:59:20,543 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:59:20,543 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:59:20,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:59:20 BoogieIcfgContainer [2024-11-14 04:59:20,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:59:20,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:59:20,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:59:20,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:59:20,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:59:12" (1/3) ... [2024-11-14 04:59:20,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695f86fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:59:20, skipping insertion in model container [2024-11-14 04:59:20,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:12" (2/3) ... [2024-11-14 04:59:20,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695f86fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:59:20, skipping insertion in model container [2024-11-14 04:59:20,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:59:20" (3/3) ... [2024-11-14 04:59:20,581 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-19.i [2024-11-14 04:59:20,601 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:59:20,603 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-19.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:59:20,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:59:20,729 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;@7963e7bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:59:20,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:59:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:59:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-14 04:59:20,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:20,761 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:20,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:20,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1814303016, now seen corresponding path program 1 times [2024-11-14 04:59:20,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:59:20,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32587143] [2024-11-14 04:59:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:20,788 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 04:59:20,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:59:20,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:20,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:22,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:59:22,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:59:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-14 04:59:22,264 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:59:22,265 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:59:22,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32587143] [2024-11-14 04:59:22,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [32587143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:22,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:22,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:59:22,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204954495] [2024-11-14 04:59:22,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:22,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:59:22,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:59:22,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:59:22,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:59:22,306 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 04:59:22,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:22,342 INFO L93 Difference]: Finished difference Result 123 states and 212 transitions. [2024-11-14 04:59:22,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:59:22,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-14 04:59:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:22,358 INFO L225 Difference]: With dead ends: 123 [2024-11-14 04:59:22,359 INFO L226 Difference]: Without dead ends: 61 [2024-11-14 04:59:22,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 04:59:22,370 INFO L432 NwaCegarLoop]: 91 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, 91 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 04:59:22,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:59:22,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-14 04:59:22,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-14 04:59:22,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:59:22,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-14 04:59:22,434 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 142 [2024-11-14 04:59:22,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:22,436 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-14 04:59:22,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 04:59:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-14 04:59:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-14 04:59:22,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:22,445 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:22,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:22,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:22,646 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:22,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:22,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1754812896, now seen corresponding path program 1 times [2024-11-14 04:59:22,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:59:22,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239762334] [2024-11-14 04:59:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:22,648 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 04:59:22,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:59:22,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:22,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:24,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:59:24,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:59:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 04:59:28,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:59:28,251 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:59:28,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239762334] [2024-11-14 04:59:28,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239762334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:28,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:28,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:59:28,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967780723] [2024-11-14 04:59:28,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:28,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:59:28,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:59:28,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:59:28,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:59:28,257 INFO L87 Difference]: Start difference. First operand 61 states and 91 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:59:30,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:33,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:35,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:35,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:35,522 INFO L93 Difference]: Finished difference Result 203 states and 302 transitions. [2024-11-14 04:59:35,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:59:35,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-14 04:59:35,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:35,670 INFO L225 Difference]: With dead ends: 203 [2024-11-14 04:59:35,670 INFO L226 Difference]: Without dead ends: 145 [2024-11-14 04:59:35,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:59:35,673 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 81 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 49 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:35,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 283 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2024-11-14 04:59:35,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-14 04:59:35,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 117. [2024-11-14 04:59:35,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 70 states have internal predecessors, (88), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-14 04:59:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 176 transitions. [2024-11-14 04:59:35,714 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 176 transitions. Word has length 142 [2024-11-14 04:59:35,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:35,715 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 176 transitions. [2024-11-14 04:59:35,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:59:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 176 transitions. [2024-11-14 04:59:35,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-14 04:59:35,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:35,719 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:35,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:59:35,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:35,920 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:35,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:35,921 INFO L85 PathProgramCache]: Analyzing trace with hash 743695646, now seen corresponding path program 1 times [2024-11-14 04:59:35,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:59:35,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667778128] [2024-11-14 04:59:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:35,922 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 04:59:35,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:59:35,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:35,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:37,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:59:37,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:59:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 04:59:41,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:59:41,132 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:59:41,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667778128] [2024-11-14 04:59:41,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667778128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:41,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:41,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:59:41,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878743135] [2024-11-14 04:59:41,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:41,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:59:41,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:59:41,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:59:41,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:41,136 INFO L87 Difference]: Start difference. First operand 117 states and 176 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:59:43,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:46,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:46,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:46,307 INFO L93 Difference]: Finished difference Result 345 states and 522 transitions. [2024-11-14 04:59:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:59:46,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-14 04:59:46,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:46,473 INFO L225 Difference]: With dead ends: 345 [2024-11-14 04:59:46,473 INFO L226 Difference]: Without dead ends: 231 [2024-11-14 04:59:46,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:46,476 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 22 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:46,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 171 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2024-11-14 04:59:46,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-14 04:59:46,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2024-11-14 04:59:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 136 states have internal predecessors, (168), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-14 04:59:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 344 transitions. [2024-11-14 04:59:46,556 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 344 transitions. Word has length 142 [2024-11-14 04:59:46,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:46,557 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 344 transitions. [2024-11-14 04:59:46,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:59:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 344 transitions. [2024-11-14 04:59:46,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-14 04:59:46,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:46,564 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:46,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-14 04:59:46,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:46,765 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:46,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:46,766 INFO L85 PathProgramCache]: Analyzing trace with hash 156889632, now seen corresponding path program 1 times [2024-11-14 04:59:46,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:59:46,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735140026] [2024-11-14 04:59:46,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:46,767 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 04:59:46,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:59:46,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:46,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 04:59:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:48,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:59:48,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:59:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 04:59:48,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:59:48,461 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:59:48,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735140026] [2024-11-14 04:59:48,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735140026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:48,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:48,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:59:48,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678544536] [2024-11-14 04:59:48,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:48,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:59:48,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:59:48,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:59:48,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:48,465 INFO L87 Difference]: Start difference. First operand 229 states and 344 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:59:50,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:59:51,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:59:53,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:59:56,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:59:58,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:00,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:00,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:00:00,986 INFO L93 Difference]: Finished difference Result 663 states and 996 transitions. [2024-11-14 05:00:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:00:00,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-14 05:00:00,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:00:01,000 INFO L225 Difference]: With dead ends: 663 [2024-11-14 05:00:01,000 INFO L226 Difference]: Without dead ends: 437 [2024-11-14 05:00:01,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:00:01,004 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 79 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:00:01,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 234 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 12.4s Time] [2024-11-14 05:00:01,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-14 05:00:01,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 233. [2024-11-14 05:00:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 140 states have (on average 1.2285714285714286) internal successors, (172), 140 states have internal predecessors, (172), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-14 05:00:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 348 transitions. [2024-11-14 05:00:01,120 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 348 transitions. Word has length 142 [2024-11-14 05:00:01,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:00:01,121 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 348 transitions. [2024-11-14 05:00:01,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:00:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 348 transitions. [2024-11-14 05:00:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-14 05:00:01,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:00:01,129 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:01,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:00:01,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 05:00:01,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:00:01,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:00:01,331 INFO L85 PathProgramCache]: Analyzing trace with hash -236137378, now seen corresponding path program 1 times [2024-11-14 05:00:01,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:00:01,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002716824] [2024-11-14 05:00:01,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:01,333 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 05:00:01,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:00:01,338 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 05:00:01,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 05:00:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:02,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:00:02,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:00:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-14 05:00:05,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:00:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 05:00:08,178 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:00:08,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002716824] [2024-11-14 05:00:08,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002716824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:00:08,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1908579440] [2024-11-14 05:00:08,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:08,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:00:08,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:00:08,182 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:00:08,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 05:00:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:10,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:00:10,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:00:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-14 05:00:12,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:00:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 05:00:15,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1908579440] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:00:15,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077121219] [2024-11-14 05:00:15,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:15,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:00:15,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:00:15,499 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:00:15,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 05:00:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:16,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:00:16,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:00:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-14 05:00:18,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:00:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 05:00:21,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077121219] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:00:21,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:00:21,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2024-11-14 05:00:21,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868815760] [2024-11-14 05:00:21,446 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:00:21,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 05:00:21,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:00:21,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 05:00:21,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:00:21,449 INFO L87 Difference]: Start difference. First operand 233 states and 348 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-14 05:00:26,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:28,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:30,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:30,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:00:30,903 INFO L93 Difference]: Finished difference Result 304 states and 446 transitions. [2024-11-14 05:00:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:00:31,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 142 [2024-11-14 05:00:31,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:00:31,059 INFO L225 Difference]: With dead ends: 304 [2024-11-14 05:00:31,059 INFO L226 Difference]: Without dead ends: 74 [2024-11-14 05:00:31,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 838 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-14 05:00:31,064 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 74 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 67 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:00:31,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 133 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 131 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2024-11-14 05:00:31,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-14 05:00:31,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 67. [2024-11-14 05:00:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 42 states have internal predecessors, (48), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:00:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2024-11-14 05:00:31,089 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 142 [2024-11-14 05:00:31,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:00:31,090 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2024-11-14 05:00:31,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-14 05:00:31,090 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-11-14 05:00:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-14 05:00:31,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:00:31,096 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:31,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 05:00:31,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-14 05:00:31,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 05:00:31,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:00:31,698 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:00:31,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:00:31,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1538869984, now seen corresponding path program 1 times [2024-11-14 05:00:31,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:00:31,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772680057] [2024-11-14 05:00:31,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:31,700 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 05:00:31,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:00:31,702 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/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 05:00:31,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf95a3f0-f7fa-4f41-a454-8bb9263f6c64/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 05:00:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:32,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 05:00:32,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:01:11,433 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:02:14,378 WARN L286 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 36 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:02:49,444 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:03:29,559 WARN L286 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 47 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)