./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.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_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 a15fad4ccd42e8290eb3eb8205bce76f0021d280a860af91ba29b3374a221b15 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:05:10,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:05:10,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:05:10,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:05:10,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:05:10,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:05:10,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:05:10,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:05:10,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:05:10,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:05:10,171 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:05:10,171 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:05:10,171 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:05:10,171 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:05:10,172 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:05:10,173 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:05:10,173 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:05:10,173 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:05:10,173 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:05:10,174 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:05:10,174 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:05:10,174 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:05:10,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:05:10,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:05:10,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:05:10,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:05:10,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:05:10,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:05:10,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:05:10,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:05:10,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:05:10,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:05:10,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:05:10,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:05:10,177 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:05:10,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:05:10,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:05:10,178 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:05:10,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:05:10,178 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_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 -> a15fad4ccd42e8290eb3eb8205bce76f0021d280a860af91ba29b3374a221b15 [2024-11-14 03:05:10,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:05:10,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:05:10,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:05:10,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:05:10,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:05:10,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i Unable to find full path for "g++" [2024-11-14 03:05:12,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:05:12,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:05:12,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i [2024-11-14 03:05:12,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/data/57fcc81d1/2471942f88cc47029e17a7f67c5c8d6e/FLAG52812ba93 [2024-11-14 03:05:12,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/data/57fcc81d1/2471942f88cc47029e17a7f67c5c8d6e [2024-11-14 03:05:12,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:05:12,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:05:12,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:05:12,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:05:12,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:05:12,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:05:12" (1/1) ... [2024-11-14 03:05:12,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2842f084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:12, skipping insertion in model container [2024-11-14 03:05:12,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:05:12" (1/1) ... [2024-11-14 03:05:12,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:05:12,922 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_43e62a8f-797b-4757-8b47-79b5bbf923b1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i[913,926] [2024-11-14 03:05:13,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:05:13,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:05:13,041 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_43e62a8f-797b-4757-8b47-79b5bbf923b1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i[913,926] [2024-11-14 03:05:13,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:05:13,113 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:05:13,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13 WrapperNode [2024-11-14 03:05:13,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:05:13,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:05:13,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:05:13,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:05:13,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,188 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-11-14 03:05:13,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:05:13,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:05:13,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:05:13,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:05:13,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:05:13,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:05:13,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:05:13,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:05:13,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (1/1) ... [2024-11-14 03:05:13,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:05:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:05:13,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:05:13,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:05:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:05:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:05:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:05:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:05:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:05:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:05:13,367 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:05:13,369 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:05:13,738 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-14 03:05:13,738 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:05:14,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:05:14,012 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:05:14,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:05:14 BoogieIcfgContainer [2024-11-14 03:05:14,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:05:14,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:05:14,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:05:14,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:05:14,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:05:12" (1/3) ... [2024-11-14 03:05:14,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e918d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:05:14, skipping insertion in model container [2024-11-14 03:05:14,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:13" (2/3) ... [2024-11-14 03:05:14,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e918d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:05:14, skipping insertion in model container [2024-11-14 03:05:14,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:05:14" (3/3) ... [2024-11-14 03:05:14,029 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-95.i [2024-11-14 03:05:14,046 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:05:14,048 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-95.i that has 2 procedures, 33 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:05:14,111 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:05:14,124 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;@6273c3a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:05:14,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:05:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 03:05:14,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 03:05:14,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:14,137 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:14,138 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:14,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:14,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1284973064, now seen corresponding path program 1 times [2024-11-14 03:05:14,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:05:14,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723602349] [2024-11-14 03:05:14,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:14,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:05:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:05:14,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145345625] [2024-11-14 03:05:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:14,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:05:14,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:05:14,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:05:14,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:05:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:05:14,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:05:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:05:15,130 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:05:15,132 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:05:15,134 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:05:15,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:05:15,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:05:15,345 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:05:15,419 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:05:15,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:05:15 BoogieIcfgContainer [2024-11-14 03:05:15,426 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:05:15,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:05:15,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:05:15,427 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:05:15,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:05:14" (3/4) ... [2024-11-14 03:05:15,431 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:05:15,432 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:05:15,433 INFO L158 Benchmark]: Toolchain (without parser) took 2706.61ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 54.4MB in the end (delta: 64.4MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-14 03:05:15,433 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:05:15,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.43ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:05:15,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 102.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:05:15,434 INFO L158 Benchmark]: Boogie Preprocessor took 28.93ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:05:15,435 INFO L158 Benchmark]: RCFGBuilder took 793.32ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 108.5MB in the end (delta: -8.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-14 03:05:15,435 INFO L158 Benchmark]: TraceAbstraction took 1409.42ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 55.0MB in the end (delta: 52.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 03:05:15,436 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 142.6MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:05:15,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.43ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 102.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.93ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 793.32ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 108.5MB in the end (delta: -8.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1409.42ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 55.0MB in the end (delta: 52.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 142.6MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of bitwiseOr at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] double var_1_2 = 32.25; [L24] double var_1_3 = 16.5; [L25] unsigned char var_1_4 = 10; [L26] unsigned char var_1_5 = 100; [L27] unsigned char var_1_6 = 1; [L28] signed char var_1_7 = -5; [L29] unsigned char var_1_8 = 0; [L30] signed char var_1_9 = -10; [L31] signed short int var_1_10 = 64; [L32] unsigned short int var_1_11 = 0; [L33] float var_1_12 = 64.75; [L34] double var_1_13 = 5.4; [L35] float var_1_14 = 5.625; [L36] unsigned long int var_1_15 = 32; [L37] unsigned short int last_1_var_1_11 = 0; [L38] float last_1_var_1_12 = 64.75; [L39] unsigned long int last_1_var_1_15 = 32; [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L111] last_1_var_1_11 = var_1_11 [L112] last_1_var_1_12 = var_1_12 [L113] last_1_var_1_15 = var_1_15 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L87] var_1_3 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L89] var_1_4 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L91] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L92] var_1_5 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_5 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 >= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L94] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L95] var_1_6 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_7=-5, var_1_8=0, var_1_9=-10] [L97] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=0, var_1_9=-10] [L98] var_1_8 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_9=-10] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_9=-10] [L100] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-10] [L101] var_1_9 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_9 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 >= -63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L103] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L104] var_1_13 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L106] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L107] var_1_14 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=-5, var_1_8=1, var_1_9=-63] [L124] RET updateVariables() [L125] CALL step() [L43] unsigned long int stepLocal_1 = var_1_6 - last_1_var_1_15; [L44] EXPR last_1_var_1_11 ^ last_1_var_1_15 [L44] COND FALSE !(stepLocal_1 < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) [L49] COND FALSE !((var_1_5 <= var_1_4) && var_1_8) [L56] COND TRUE (-8 * var_1_11) < var_1_4 [L57] var_1_7 = 1 [L62] COND TRUE 128 >= last_1_var_1_15 [L63] var_1_15 = (var_1_6 + (var_1_4 + var_1_11)) [L67] COND TRUE var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L68] var_1_12 = var_1_14 [L70] COND FALSE !((10.8 + var_1_12) <= (- var_1_12)) [L73] unsigned char stepLocal_0 = var_1_4; [L74] COND FALSE !(-4 >= stepLocal_0) [L81] var_1_10 = var_1_4 [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR (((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1) [L116-L117] return (((((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1)) && ((var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (var_1_12 == ((float) var_1_14)) : 1)) && ((128 >= last_1_var_1_15) ? (var_1_15 == ((unsigned long int) (var_1_6 + (var_1_4 + var_1_11)))) : (var_1_15 == ((unsigned long int) var_1_7))) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=1, var_1_11=0, var_1_12=259/4, var_1_14=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=1, var_1_8=1, var_1_9=-63] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=1, var_1_11=0, var_1_12=259/4, var_1_14=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=863, var_1_6=319, var_1_7=1, var_1_8=1, var_1_9=-63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 15, 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=33occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:05:15,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 a15fad4ccd42e8290eb3eb8205bce76f0021d280a860af91ba29b3374a221b15 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:05:18,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:05:18,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:05:18,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:05:18,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:05:18,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:05:18,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:05:18,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:05:18,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:05:18,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:05:18,306 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:05:18,306 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:05:18,306 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:05:18,307 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:05:18,307 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:05:18,307 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:05:18,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:05:18,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:05:18,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:05:18,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:05:18,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:05:18,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:05:18,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:05:18,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:05:18,318 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:05:18,318 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:05:18,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:05:18,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:05:18,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:05:18,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:05:18,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:05:18,320 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:05:18,321 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:05:18,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:05:18,321 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:05:18,321 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_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 -> a15fad4ccd42e8290eb3eb8205bce76f0021d280a860af91ba29b3374a221b15 [2024-11-14 03:05:18,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:05:18,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:05:18,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:05:18,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:05:18,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:05:18,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i Unable to find full path for "g++" [2024-11-14 03:05:20,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:05:20,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:05:20,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i [2024-11-14 03:05:20,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/data/278b9e5de/2ad557432b4b4d428d0b2cee07121af5/FLAG4f2338640 [2024-11-14 03:05:20,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/data/278b9e5de/2ad557432b4b4d428d0b2cee07121af5 [2024-11-14 03:05:20,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:05:20,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:05:20,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:05:20,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:05:20,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:05:20,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:05:20" (1/1) ... [2024-11-14 03:05:20,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbc8d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:20, skipping insertion in model container [2024-11-14 03:05:20,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:05:20" (1/1) ... [2024-11-14 03:05:21,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:05:21,197 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_43e62a8f-797b-4757-8b47-79b5bbf923b1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i[913,926] [2024-11-14 03:05:21,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:05:21,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:05:21,299 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_43e62a8f-797b-4757-8b47-79b5bbf923b1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-95.i[913,926] [2024-11-14 03:05:21,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:05:21,357 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:05:21,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21 WrapperNode [2024-11-14 03:05:21,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:05:21,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:05:21,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:05:21,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:05:21,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,419 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-14 03:05:21,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:05:21,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:05:21,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:05:21,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:05:21,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:05:21,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:05:21,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:05:21,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:05:21,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (1/1) ... [2024-11-14 03:05:21,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:05:21,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:05:21,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:05:21,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:05:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:05:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:05:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:05:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:05:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:05:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:05:21,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:05:21,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:05:28,906 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-14 03:05:28,907 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:05:28,919 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:05:28,919 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:05:28,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:05:28 BoogieIcfgContainer [2024-11-14 03:05:28,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:05:28,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:05:28,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:05:28,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:05:28,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:05:20" (1/3) ... [2024-11-14 03:05:28,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1b59e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:05:28, skipping insertion in model container [2024-11-14 03:05:28,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:05:21" (2/3) ... [2024-11-14 03:05:28,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1b59e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:05:28, skipping insertion in model container [2024-11-14 03:05:28,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:05:28" (3/3) ... [2024-11-14 03:05:28,930 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-95.i [2024-11-14 03:05:28,945 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:05:28,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-95.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:05:29,015 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:05:29,032 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;@7377c9cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:05:29,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:05:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 03:05:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-14 03:05:29,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:29,050 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:29,050 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:29,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash 920190606, now seen corresponding path program 1 times [2024-11-14 03:05:29,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:05:29,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663904547] [2024-11-14 03:05:29,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:29,070 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 03:05:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:05:29,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 03:05:29,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 03:05:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:05:30,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:05:30,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:05:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-14 03:05:30,264 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:05:30,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:05:30,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663904547] [2024-11-14 03:05:30,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663904547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:05:30,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:05:30,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:05:30,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988312821] [2024-11-14 03:05:30,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:05:30,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:05:30,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:05:30,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:05:30,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:05:30,298 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 03:05:30,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:30,320 INFO L93 Difference]: Finished difference Result 100 states and 169 transitions. [2024-11-14 03:05:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:05:30,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-14 03:05:30,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:30,328 INFO L225 Difference]: With dead ends: 100 [2024-11-14 03:05:30,328 INFO L226 Difference]: Without dead ends: 49 [2024-11-14 03:05:30,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 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 03:05:30,334 INFO L432 NwaCegarLoop]: 71 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, 71 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 03:05:30,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:05:30,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-14 03:05:30,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-14 03:05:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 03:05:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2024-11-14 03:05:30,372 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 101 [2024-11-14 03:05:30,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:30,373 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2024-11-14 03:05:30,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 03:05:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2024-11-14 03:05:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-14 03:05:30,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:30,377 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:30,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 03:05:30,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 03:05:30,578 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:30,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:30,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2038966088, now seen corresponding path program 1 times [2024-11-14 03:05:30,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:05:30,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413479681] [2024-11-14 03:05:30,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:30,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:05:30,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:05:30,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 03:05:30,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e62a8f-797b-4757-8b47-79b5bbf923b1/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 03:05:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:05:31,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 03:05:31,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:06:27,958 WARN L286 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:07:24,973 WARN L286 SmtUtils]: Spent 10.61s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)