./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 7af1a6007ac21efd278e8a0d43eb207bca0ef2ef72ef389fa34ccd5715238950 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:28:12,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:28:12,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:28:12,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:28:12,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:28:12,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:28:12,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:28:12,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:28:12,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:28:12,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:28:12,868 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:28:12,868 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:28:12,868 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:28:12,868 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:28:12,868 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:28:12,870 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:28:12,870 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:28:12,871 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:28:12,871 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:28:12,871 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:28:12,871 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:28:12,871 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:28:12,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:28:12,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:28:12,872 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:28:12,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:28:12,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:28:12,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:28:12,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:28:12,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:28:12,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:28:12,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:28:12,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:28:12,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:28:12,874 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:28:12,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:28:12,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:28:12,874 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:28:12,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:28:12,874 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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 -> 7af1a6007ac21efd278e8a0d43eb207bca0ef2ef72ef389fa34ccd5715238950 [2024-11-14 03:28:13,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:28:13,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:28:13,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:28:13,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:28:13,273 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:28:13,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i Unable to find full path for "g++" [2024-11-14 03:28:15,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:28:15,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:28:15,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i [2024-11-14 03:28:15,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/data/6af34e521/9cbbacff317c454f888674267f268531/FLAG8b23845c0 [2024-11-14 03:28:15,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/data/6af34e521/9cbbacff317c454f888674267f268531 [2024-11-14 03:28:15,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:28:15,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:28:15,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:28:15,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:28:15,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:28:15,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:28:15" (1/1) ... [2024-11-14 03:28:15,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e139fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:15, skipping insertion in model container [2024-11-14 03:28:15,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:28:15" (1/1) ... [2024-11-14 03:28:15,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:28:15,851 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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i[919,932] [2024-11-14 03:28:15,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:28:16,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:28:16,032 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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i[919,932] [2024-11-14 03:28:16,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:28:16,116 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:28:16,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16 WrapperNode [2024-11-14 03:28:16,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:28:16,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:28:16,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:28:16,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:28:16,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,214 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 258 [2024-11-14 03:28:16,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:28:16,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:28:16,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:28:16,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:28:16,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:28:16,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:28:16,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:28:16,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:28:16,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (1/1) ... [2024-11-14 03:28:16,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:28:16,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:28:16,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:28:16,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:28:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:28:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:28:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:28:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:28:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:28:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:28:16,539 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:28:16,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:28:17,203 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-14 03:28:17,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:28:17,665 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:28:17,665 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:28:17,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:28:17 BoogieIcfgContainer [2024-11-14 03:28:17,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:28:17,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:28:17,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:28:17,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:28:17,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:28:15" (1/3) ... [2024-11-14 03:28:17,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c73a25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:28:17, skipping insertion in model container [2024-11-14 03:28:17,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:16" (2/3) ... [2024-11-14 03:28:17,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c73a25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:28:17, skipping insertion in model container [2024-11-14 03:28:17,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:28:17" (3/3) ... [2024-11-14 03:28:17,680 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i [2024-11-14 03:28:17,700 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:28:17,701 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:28:17,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:28:17,808 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;@703bbf8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:28:17,810 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:28:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-14 03:28:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-14 03:28:17,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:28:17,830 INFO L215 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:28:17,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:28:17,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:28:17,838 INFO L85 PathProgramCache]: Analyzing trace with hash 456552099, now seen corresponding path program 1 times [2024-11-14 03:28:17,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:28:17,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793662926] [2024-11-14 03:28:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:17,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:28:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:28:18,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:28:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:28:19,223 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:28:19,225 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:28:19,228 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:28:19,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:28:19,238 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:28:19,416 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:28:19,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:28:19 BoogieIcfgContainer [2024-11-14 03:28:19,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:28:19,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:28:19,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:28:19,425 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:28:19,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:28:17" (3/4) ... [2024-11-14 03:28:19,429 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:28:19,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:28:19,433 INFO L158 Benchmark]: Toolchain (without parser) took 3820.71ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 51.6MB in the end (delta: 67.2MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2024-11-14 03:28:19,434 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:28:19,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.04ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 103.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:28:19,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.07ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 99.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:28:19,436 INFO L158 Benchmark]: Boogie Preprocessor took 68.26ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:28:19,436 INFO L158 Benchmark]: RCFGBuilder took 1374.94ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 88.8MB in the end (delta: 9.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-14 03:28:19,437 INFO L158 Benchmark]: TraceAbstraction took 1751.98ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 52.5MB in the end (delta: 36.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-11-14 03:28:19,441 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.6MB in the end (delta: 816.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:28:19,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.04ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 103.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.07ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 99.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.26ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1374.94ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 88.8MB in the end (delta: 9.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1751.98ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 52.5MB in the end (delta: 36.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.6MB in the end (delta: 816.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 60, overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of someBinaryFLOATComparisonOperation at line 183, overapproximation of someBinaryFLOATComparisonOperation at line 159, overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of someBinaryFLOATComparisonOperation at line 185, overapproximation of someBinaryFLOATComparisonOperation at line 169, overapproximation of bitwiseOr at line 64, overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of bitwiseAnd at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 188, overapproximation of someBinaryDOUBLEComparisonOperation at line 187, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryArithmeticFLOAToperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_4 = 100; [L24] unsigned char var_1_5 = 2; [L25] unsigned char var_1_6 = 64; [L26] unsigned char var_1_7 = 32; [L27] unsigned char var_1_8 = 32; [L28] float var_1_9 = 100.5; [L29] float var_1_11 = 0.8; [L30] float var_1_12 = 2.5; [L31] signed short int var_1_13 = -32; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 0.25; [L36] float var_1_19 = 100000000.25; [L37] signed char var_1_20 = 0; [L38] signed char var_1_21 = 10; [L39] double var_1_22 = 1000000.5; [L40] unsigned long int var_1_23 = 256; [L41] unsigned long int var_1_24 = 50; [L42] signed long int var_1_25 = 64; [L43] unsigned long int var_1_29 = 32; [L44] unsigned long int var_1_32 = 2219578776; [L45] unsigned char var_1_34 = 0; [L46] unsigned char var_1_35 = 0; [L47] unsigned char var_1_36 = 5; [L48] float var_1_37 = 256.125; [L49] float var_1_38 = 127.25; [L50] unsigned char var_1_41 = 32; [L51] double var_1_42 = 16.125; [L52] double var_1_43 = 256.5; [L53] signed short int var_1_45 = -10; [L54] unsigned char last_1_var_1_1 = 2; [L55] unsigned char last_1_var_1_15 = 1; [L56] signed char last_1_var_1_20 = 0; [L200] isInitial = 1 [L201] FCALL initially() [L202] COND TRUE 1 [L203] CALL updateLastVariables() [L191] last_1_var_1_1 = var_1_1 [L192] last_1_var_1_15 = var_1_15 [L193] last_1_var_1_20 = var_1_20 [L203] RET updateLastVariables() [L204] CALL updateVariables() [L143] var_1_4 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L145] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L146] var_1_5 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L148] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L149] var_1_6 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L151] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L152] var_1_7 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_8=32, var_1_9=201/2] [L154] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L155] var_1_8 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_9=201/2] [L157] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L158] var_1_11 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L160] var_1_12 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L162] var_1_16 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L164] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L165] var_1_17 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L167] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L168] var_1_19 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L170] var_1_21 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L172] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L173] var_1_29 = __VERIFIER_nondet_ulong() [L174] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L175] CALL assume_abort_if_not(var_1_29 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_29 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L176] var_1_32 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_32 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_32 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L178] CALL assume_abort_if_not(var_1_32 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_32 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L179] var_1_35 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L181] CALL assume_abort_if_not(var_1_35 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_35 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L182] var_1_37 = __VERIFIER_nondet_float() [L183] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L184] var_1_38 = __VERIFIER_nondet_float() [L185] CALL assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854776000e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854776000e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L186] var_1_42 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L188] CALL assume_abort_if_not(var_1_42 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_42 != 0.0F) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=201/2] [L204] RET updateVariables() [L205] CALL step() [L60] EXPR var_1_23 >> var_1_29 [L60] EXPR ((var_1_20) < ((var_1_23 >> var_1_29))) ? (var_1_20) : ((var_1_23 >> var_1_29)) [L60] EXPR var_1_23 >> var_1_29 [L60] EXPR ((var_1_20) < ((var_1_23 >> var_1_29))) ? (var_1_20) : ((var_1_23 >> var_1_29)) [L60] COND TRUE var_1_20 < ((((var_1_20) < ((var_1_23 >> var_1_29))) ? (var_1_20) : ((var_1_23 >> var_1_29)))) [L61] COND FALSE !(var_1_20 > var_1_20) [L64] EXPR var_1_29 ^ var_1_23 [L64] EXPR (var_1_29 ^ var_1_23) >> var_1_20 [L64] COND TRUE ((var_1_29 ^ var_1_23) >> var_1_20) > ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) [L65] var_1_25 = ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) [L75] COND TRUE var_1_20 >= -25 [L76] var_1_34 = var_1_35 [L78] COND TRUE (var_1_37 - var_1_38) >= (var_1_22 * var_1_22) [L79] var_1_36 = 5 [L81] COND TRUE (var_1_38 / ((((var_1_42) > (256.5)) ? (var_1_42) : (256.5)))) < var_1_37 [L82] var_1_41 = var_1_29 [L84] COND TRUE (((((var_1_22) < (var_1_37)) ? (var_1_22) : (var_1_37))) >= (var_1_38 / var_1_42)) || var_1_35 [L85] COND TRUE var_1_35 || var_1_15 [L86] var_1_43 = ((((99.65) < 0 ) ? -(99.65) : (99.65))) [L89] EXPR var_1_20 & var_1_13 [L89] EXPR var_1_24 ^ (var_1_20 & var_1_13) [L89] COND TRUE var_1_29 <= (var_1_24 ^ (var_1_20 & var_1_13)) [L90] COND FALSE !(\read(var_1_35)) [L98] COND FALSE !(var_1_5 >= var_1_6) [L107] var_1_15 = var_1_17 [L109] unsigned char stepLocal_1 = var_1_15; [L110] unsigned char stepLocal_0 = var_1_15; [L111] COND TRUE var_1_17 || stepLocal_0 [L112] COND TRUE var_1_15 && stepLocal_1 [L113] var_1_18 = (var_1_11 + var_1_19) [L118] COND TRUE (var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18) [L119] COND FALSE !(var_1_6 <= var_1_8) [L127] COND TRUE var_1_11 == var_1_18 [L128] var_1_20 = ((var_1_5 + var_1_21) + var_1_8) [L130] COND FALSE !(-32 < var_1_13) [L133] COND FALSE !((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) [L136] var_1_9 = var_1_12 [L138] var_1_22 = var_1_12 [L139] var_1_23 = var_1_8 [L140] var_1_24 = var_1_6 [L205] RET step() [L206] CALL, EXPR property() [L196-L197] return (((((((((-32 < var_1_13) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) ? ((var_1_6 <= var_1_8) ? (var_1_15 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((last_1_var_1_1 <= last_1_var_1_20) ? (var_1_15 == ((unsigned char) var_1_16)) : ((last_1_var_1_15 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_15) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L206] RET, EXPR property() [L206] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=4294967305, var_1_13=-32, var_1_15=513, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=-1, var_1_21=-31, var_1_22=4294967305, var_1_23=0, var_1_24=64, var_1_25=2, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=4294967297, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=4294967305] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=4294967305, var_1_13=-32, var_1_15=513, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=-1, var_1_21=-31, var_1_22=4294967305, var_1_23=0, var_1_24=64, var_1_25=2, var_1_29=4294967297, var_1_32=-2147483649, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=4294967297, var_1_43=513/2, var_1_45=-10, var_1_4=-89217, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=256, var_1_9=4294967305] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 29, 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=55occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 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 03:28:19,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 7af1a6007ac21efd278e8a0d43eb207bca0ef2ef72ef389fa34ccd5715238950 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:28:22,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:28:22,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:28:22,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:28:22,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:28:22,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:28:22,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:28:22,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:28:22,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:28:22,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:28:22,835 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:28:22,835 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:28:22,835 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:28:22,835 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:28:22,835 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:28:22,835 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:28:22,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:28:22,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:28:22,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:28:22,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:28:22,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:28:22,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:28:22,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:28:22,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:28:22,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:28:22,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:28:22,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:28:22,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:28:22,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:28:22,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:28:22,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:28:22,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:28:22,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:28:22,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:28:22,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:28:22,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:28:22,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:28:22,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:28:22,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:28:22,839 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:28:22,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:28:22,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:28:22,840 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:28:22,840 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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 -> 7af1a6007ac21efd278e8a0d43eb207bca0ef2ef72ef389fa34ccd5715238950 [2024-11-14 03:28:23,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:28:23,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:28:23,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:28:23,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:28:23,292 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:28:23,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i Unable to find full path for "g++" [2024-11-14 03:28:25,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:28:25,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:28:25,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i [2024-11-14 03:28:25,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/data/e056738db/fdaf07c7c4b842a89a4b2159a2e392cd/FLAG5e0d4419b [2024-11-14 03:28:26,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/data/e056738db/fdaf07c7c4b842a89a4b2159a2e392cd [2024-11-14 03:28:26,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:28:26,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:28:26,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:28:26,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:28:26,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:28:26,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a778a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26, skipping insertion in model container [2024-11-14 03:28:26,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:28:26,247 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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i[919,932] [2024-11-14 03:28:26,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:28:26,387 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:28:26,398 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_7d5c5be2-4e0c-4323-ad42-15d784f940ee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i[919,932] [2024-11-14 03:28:26,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:28:26,489 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:28:26,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26 WrapperNode [2024-11-14 03:28:26,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:28:26,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:28:26,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:28:26,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:28:26,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,565 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2024-11-14 03:28:26,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:28:26,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:28:26,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:28:26,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:28:26,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:28:26,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:28:26,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:28:26,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:28:26,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (1/1) ... [2024-11-14 03:28:26,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:28:26,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:28:26,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:28:26,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:28:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:28:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:28:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:28:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:28:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:28:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:28:26,842 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:28:26,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:28:43,707 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 03:28:43,708 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:28:43,720 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:28:43,720 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:28:43,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:28:43 BoogieIcfgContainer [2024-11-14 03:28:43,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:28:43,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:28:43,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:28:43,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:28:43,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:28:26" (1/3) ... [2024-11-14 03:28:43,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6f5e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:28:43, skipping insertion in model container [2024-11-14 03:28:43,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:28:26" (2/3) ... [2024-11-14 03:28:43,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6f5e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:28:43, skipping insertion in model container [2024-11-14 03:28:43,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:28:43" (3/3) ... [2024-11-14 03:28:43,731 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i [2024-11-14 03:28:43,747 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:28:43,749 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-32.i that has 2 procedures, 90 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:28:43,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:28:43,819 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;@61724450, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:28:43,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:28:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 58 states have (on average 1.4827586206896552) internal successors, (86), 59 states have internal predecessors, (86), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-14 03:28:43,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-14 03:28:43,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:28:43,843 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:28:43,844 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:28:43,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:28:43,849 INFO L85 PathProgramCache]: Analyzing trace with hash -283981452, now seen corresponding path program 1 times [2024-11-14 03:28:43,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:28:43,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047562575] [2024-11-14 03:28:43,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:43,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:28:43,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:28:43,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:28:43,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 03:28:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:28:45,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:28:45,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:28:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-11-14 03:28:45,992 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:28:45,993 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:28:45,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047562575] [2024-11-14 03:28:45,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047562575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:28:45,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:28:45,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:28:45,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288057294] [2024-11-14 03:28:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:28:46,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:28:46,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:28:46,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:28:46,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:28:46,030 INFO L87 Difference]: Start difference. First operand has 90 states, 58 states have (on average 1.4827586206896552) internal successors, (86), 59 states have internal predecessors, (86), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-14 03:28:46,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:28:46,087 INFO L93 Difference]: Finished difference Result 171 states and 307 transitions. [2024-11-14 03:28:46,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:28:46,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 186 [2024-11-14 03:28:46,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:28:46,095 INFO L225 Difference]: With dead ends: 171 [2024-11-14 03:28:46,095 INFO L226 Difference]: Without dead ends: 84 [2024-11-14 03:28:46,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 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 03:28:46,101 INFO L432 NwaCegarLoop]: 132 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, 132 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 03:28:46,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:28:46,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-14 03:28:46,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-14 03:28:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-14 03:28:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 132 transitions. [2024-11-14 03:28:46,141 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 132 transitions. Word has length 186 [2024-11-14 03:28:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:28:46,141 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 132 transitions. [2024-11-14 03:28:46,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-14 03:28:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2024-11-14 03:28:46,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-14 03:28:46,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:28:46,146 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:28:46,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 03:28:46,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:28:46,347 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:28:46,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:28:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1392250890, now seen corresponding path program 1 times [2024-11-14 03:28:46,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:28:46,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750615800] [2024-11-14 03:28:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:46,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:28:46,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:28:46,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:28:46,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 03:28:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:28:48,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 03:28:48,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:28:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 856 proven. 78 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2024-11-14 03:28:54,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:28:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-14 03:28:57,515 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:28:57,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750615800] [2024-11-14 03:28:57,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750615800] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:28:57,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1729521234] [2024-11-14 03:28:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:28:57,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:28:57,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:28:57,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:28:57,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 03:29:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:00,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:29:00,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-14 03:29:04,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:29:04,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1729521234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:29:04,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 03:29:04,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 7] total 15 [2024-11-14 03:29:04,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884150142] [2024-11-14 03:29:04,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:29:04,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:29:04,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:29:04,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:29:04,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:29:04,983 INFO L87 Difference]: Start difference. First operand 84 states and 132 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-14 03:29:07,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:29:09,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:29:09,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:09,689 INFO L93 Difference]: Finished difference Result 246 states and 390 transitions. [2024-11-14 03:29:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:29:09,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 186 [2024-11-14 03:29:09,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:09,694 INFO L225 Difference]: With dead ends: 246 [2024-11-14 03:29:09,694 INFO L226 Difference]: Without dead ends: 165 [2024-11-14 03:29:09,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 541 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:29:09,696 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 34 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:09,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 247 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2024-11-14 03:29:09,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-14 03:29:09,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2024-11-14 03:29:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 101 states have (on average 1.396039603960396) internal successors, (141), 101 states have internal predecessors, (141), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-14 03:29:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 257 transitions. [2024-11-14 03:29:09,728 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 257 transitions. Word has length 186 [2024-11-14 03:29:09,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:09,729 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 257 transitions. [2024-11-14 03:29:09,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-14 03:29:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2024-11-14 03:29:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-14 03:29:09,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:09,733 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:09,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 03:29:09,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:29:10,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:29:10,134 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:10,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:10,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1127709044, now seen corresponding path program 1 times [2024-11-14 03:29:10,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:29:10,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786953013] [2024-11-14 03:29:10,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:10,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:29:10,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:29:10,139 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:29:10,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 03:29:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:12,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 03:29:12,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 856 proven. 78 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2024-11-14 03:29:17,015 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:29:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-14 03:29:20,371 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:29:20,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786953013] [2024-11-14 03:29:20,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786953013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:29:20,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [323337284] [2024-11-14 03:29:20,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:20,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:29:20,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:29:20,374 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:29:20,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 03:29:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:23,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 03:29:23,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2024-11-14 03:29:26,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:29:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-14 03:29:28,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [323337284] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:29:28,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689631713] [2024-11-14 03:29:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:28,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:28,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:28,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:29:28,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 03:29:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:30,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 03:29:30,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2024-11-14 03:29:32,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:29:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-14 03:29:35,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689631713] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:29:35,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 03:29:35,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7, 7, 7, 7] total 14 [2024-11-14 03:29:35,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18093384] [2024-11-14 03:29:35,300 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 03:29:35,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 03:29:35,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:29:35,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 03:29:35,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:29:35,303 INFO L87 Difference]: Start difference. First operand 162 states and 257 transitions. Second operand has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 3 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2024-11-14 03:29:42,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:29:44,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:29:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:50,126 INFO L93 Difference]: Finished difference Result 725 states and 1107 transitions. [2024-11-14 03:29:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-14 03:29:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 3 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 186 [2024-11-14 03:29:50,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:50,135 INFO L225 Difference]: With dead ends: 725 [2024-11-14 03:29:50,135 INFO L226 Difference]: Without dead ends: 566 [2024-11-14 03:29:50,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1138 GetRequests, 1097 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=339, Invalid=1067, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 03:29:50,140 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 700 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 324 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:50,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 555 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 510 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2024-11-14 03:29:50,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-14 03:29:50,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 460. [2024-11-14 03:29:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 285 states have (on average 1.305263157894737) internal successors, (372), 286 states have internal predecessors, (372), 159 states have call successors, (159), 15 states have call predecessors, (159), 15 states have return successors, (159), 158 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-14 03:29:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 690 transitions. [2024-11-14 03:29:50,268 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 690 transitions. Word has length 186 [2024-11-14 03:29:50,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:50,271 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 690 transitions. [2024-11-14 03:29:50,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 3 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2024-11-14 03:29:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 690 transitions. [2024-11-14 03:29:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-14 03:29:50,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:50,279 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:50,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 03:29:50,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 03:29:50,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-14 03:29:50,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:29:50,880 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:50,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:50,880 INFO L85 PathProgramCache]: Analyzing trace with hash -672860619, now seen corresponding path program 1 times [2024-11-14 03:29:50,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:29:50,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675733451] [2024-11-14 03:29:50,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:50,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:29:50,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:29:50,885 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:29:50,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 03:29:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:52,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 03:29:52,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:30:17,734 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (and (fp.geq c_~var_1_11~0 .cse0) (let ((.cse3 (fp.neg c_~var_1_18~0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (let ((.cse1 (fp.lt c_~var_1_18~0 c_~var_1_11~0)) (.cse2 (exists ((~var_1_12~0 (_ FloatingPoint 8 24))) (and (not (fp.gt (fp.mul roundNearestTiesToEven ~var_1_12~0 c_~var_1_11~0) .cse3)) (fp.leq ~var_1_12~0 .cse4) (fp.geq ~var_1_12~0 .cse0))))) (or (and (not .cse1) .cse2) (and (exists ((~var_1_12~0 (_ FloatingPoint 8 24))) (and (not (fp.gt (fp.mul roundNearestTiesToEven ~var_1_12~0 c_~var_1_18~0) .cse3)) (fp.leq ~var_1_12~0 .cse4) (fp.geq ~var_1_12~0 .cse0))) .cse1) .cse2))) (fp.leq c_~var_1_11~0 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)))) is different from false [2024-11-14 03:30:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 788 proven. 102 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2024-11-14 03:30:18,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:31:02,899 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:31:02,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675733451] [2024-11-14 03:31:02,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675733451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:31:02,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1929277438] [2024-11-14 03:31:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:02,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:31:02,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:31:02,901 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:31:02,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 03:31:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:06,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:31:06,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 708 proven. 24 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2024-11-14 03:31:25,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:31:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 60 proven. 24 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-14 03:31:34,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1929277438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:31:34,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30351035] [2024-11-14 03:31:34,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:34,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:31:34,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:31:34,850 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:31:34,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 03:31:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:36,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 03:31:36,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 708 proven. 24 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2024-11-14 03:31:48,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:31:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 60 proven. 24 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-14 03:31:51,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30351035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:31:51,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2024-11-14 03:31:51,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 6, 5, 6] total 18 [2024-11-14 03:31:51,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643461693] [2024-11-14 03:31:51,761 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2024-11-14 03:31:51,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 03:31:51,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:31:51,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 03:31:51,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=4, NotChecked=34, Total=380 [2024-11-14 03:31:51,764 INFO L87 Difference]: Start difference. First operand 460 states and 690 transitions. Second operand has 18 states, 18 states have (on average 7.388888888888889) internal successors, (133), 18 states have internal predecessors, (133), 7 states have call successors, (87), 6 states have call predecessors, (87), 9 states have return successors, (87), 7 states have call predecessors, (87), 7 states have call successors, (87) [2024-11-14 03:32:09,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:11,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:14,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:15,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:18,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:20,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:22,157 WARN L539 Checker$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 03:32:24,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:26,164 WARN L539 Checker$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 03:32:28,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:30,180 WARN L539 Checker$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 03:32:32,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:34,608 WARN L539 Checker$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 03:32:36,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:38,612 WARN L539 Checker$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 03:32:40,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:42,621 WARN L539 Checker$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 03:32:44,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:47,024 WARN L539 Checker$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 03:32:49,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:51,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:53,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:55,081 WARN L539 Checker$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 03:32:57,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:59,092 WARN L539 Checker$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 03:33:01,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:03,548 WARN L539 Checker$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 03:33:05,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:07,574 WARN L539 Checker$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 03:33:09,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:11,601 WARN L539 Checker$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 03:33:13,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:46,392 WARN L286 SmtUtils]: Spent 21.53s on a formula simplification. DAG size of input: 54 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:33:48,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:33:52,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:54,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:57,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:59,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:10,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:12,031 WARN L539 Checker$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 03:34:14,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:16,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:19,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:21,532 WARN L539 Checker$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 03:34:23,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:25,539 WARN L539 Checker$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 03:34:27,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:29,549 WARN L539 Checker$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 03:34:31,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:33,562 WARN L539 Checker$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 03:34:35,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:37,572 WARN L539 Checker$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 03:34:39,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:42,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:44,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:46,010 WARN L539 Checker$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 03:34:48,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:50,024 WARN L539 Checker$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 03:34:52,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:53,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:56,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:34:58,484 WARN L539 Checker$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 03:35:00,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:02,522 WARN L539 Checker$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 03:35:04,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:06,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:08,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:10,589 WARN L539 Checker$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 03:35:12,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:14,594 WARN L539 Checker$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 03:35:16,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:19,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:21,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:23,027 WARN L539 Checker$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 03:35:25,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:27,040 WARN L539 Checker$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 03:35:28,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:35:52,999 WARN L286 SmtUtils]: Spent 14.73s on a formula simplification. DAG size of input: 57 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:36:15,521 WARN L286 SmtUtils]: Spent 12.91s on a formula simplification. DAG size of input: 49 DAG size of output: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:36:17,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:36:17,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:36:17,971 INFO L93 Difference]: Finished difference Result 1248 states and 1848 transitions. [2024-11-14 03:36:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-14 03:36:17,973 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.388888888888889) internal successors, (133), 18 states have internal predecessors, (133), 7 states have call successors, (87), 6 states have call predecessors, (87), 9 states have return successors, (87), 7 states have call predecessors, (87), 7 states have call successors, (87) Word has length 187 [2024-11-14 03:36:17,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:36:17,987 INFO L225 Difference]: With dead ends: 1248 [2024-11-14 03:36:17,987 INFO L226 Difference]: Without dead ends: 814 [2024-11-14 03:36:17,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 939 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 123.9s TimeCoverageRelationStatistics Valid=477, Invalid=1415, Unknown=4, NotChecked=84, Total=1980 [2024-11-14 03:36:17,990 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 573 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 290 mSolverCounterUnsat, 69 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 172.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 69 IncrementalHoareTripleChecker+Unknown, 363 IncrementalHoareTripleChecker+Unchecked, 174.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:36:17,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 475 Invalid, 1571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 849 Invalid, 69 Unknown, 363 Unchecked, 174.0s Time] [2024-11-14 03:36:17,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-14 03:36:18,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 467. [2024-11-14 03:36:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 295 states have (on average 1.2542372881355932) internal successors, (370), 295 states have internal predecessors, (370), 145 states have call successors, (145), 26 states have call predecessors, (145), 26 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-14 03:36:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 660 transitions. [2024-11-14 03:36:18,105 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 660 transitions. Word has length 187 [2024-11-14 03:36:18,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:36:18,107 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 660 transitions. [2024-11-14 03:36:18,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.388888888888889) internal successors, (133), 18 states have internal predecessors, (133), 7 states have call successors, (87), 6 states have call predecessors, (87), 9 states have return successors, (87), 7 states have call predecessors, (87), 7 states have call successors, (87) [2024-11-14 03:36:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 660 transitions. [2024-11-14 03:36:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-14 03:36:18,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:36:18,112 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:36:18,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-14 03:36:18,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 03:36:18,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-14 03:36:18,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:36:18,713 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:36:18,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:36:18,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1428276758, now seen corresponding path program 1 times [2024-11-14 03:36:18,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:36:18,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130760003] [2024-11-14 03:36:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:36:18,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:36:18,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:36:18,716 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:36:18,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5c5be2-4e0c-4323-ad42-15d784f940ee/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-14 03:36:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:36:20,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 03:36:20,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:38:23,960 WARN L286 SmtUtils]: Spent 14.92s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:39:37,176 WARN L286 SmtUtils]: Spent 32.57s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)